Bruno Laeng

• Akca, Merve; Laeng, Bruno & Godøy, Rolf Inge (2020). No Evidence for an Auditory Attentional Blink for Voices Regardless of Musical Expertise. Frontiers in Psychology.  ISSN 1664-1078.  10 . doi: 10.3389/fpsyg.2019.02935 Full text in Research Archive. Show summary

  Background: Attending to goal-relevant information can leave us metaphorically “blind” or “deaf” to the next relevant information while searching among distracters. This temporal cost lasting for about a half a second on the human selective attention has been long explored using the attentional blink paradigm. Although there is evidence that certain visual stimuli relating to one’s area of expertise can be less susceptible to attentional blink effects, it remains unexplored whether the dynamics of temporal selective attention vary with expertise and objects types in the auditory modality. Methods: Using the auditory version of the attentional blink paradigm, the present study investigates whether certain auditory objects relating to musical and perceptual expertise could have an impact on the transient costs of selective attention. In this study, expert cellists and novice participants were asked to first identify a target sound, and then to detect instrumental timbres of cello or organ, or human voice as a second target in a rapid auditory stream. Results: The results showed moderate evidence against the attentional blink effect for voices independent of participants’ musical expertise. Experts outperformed novices in their overall accuracy levels of target identification and detection, reflecting a clear benefit of musical expertise. Importantly, the musicianship advantage disappeared when the human voices served as the second target in the stream. Discussion: The results are discussed in terms of stimulus salience, the advantage of voice processing, as well as perceptual and musical expertise in relation to attention and working memory performances.

• Aminihajibashi, Samira; Hagen, Thomas; Andreassen, Ole Andreas; Laeng, Bruno & Espeseth, Thomas (2020). The effects of cognitive abilities and task demands on tonic and phasic pupil sizes. Biological Psychology.  ISSN 0301-0511.  156 . doi: 10.1016/j.biopsycho.2020.107945
• Aminihajibashi, Samira; Hagen, Thomas; Laeng, Bruno & Espeseth, Thomas (2020). Pupillary and behavioral markers of alerting and orienting: An individual difference approach. Brain and Cognition.  ISSN 0278-2626.  143 . doi: 10.1016/j.bandc.2020.105597
• Hovey, Daniel; Martens, Louise; Laeng, Bruno; Leknes, Siri & Westberg, Lars (2020). The effect of intranasal oxytocin on visual processing and salience of human faces. Translational Psychiatry.  ISSN 2158-3188.  10(318), s 1- 9 . doi: 10.1038/s41398-020-00991-3 Full text in Research Archive.
• Liu, Hang; Laeng, Bruno & Czajkowski, Nikolai (2020). Does stereopsis improve face identification? A study using a virtual reality display with integrated eye-tracking and pupillometry. Acta Psychologica.  ISSN 0001-6918. . doi: 10.1016/j.actpsy.2020.103142 Full text in Research Archive.
• Lobben, Marit; Bochynska, Agata; Tanggaard, Stine & Laeng, Bruno (2020). Classifiers in non-European languages and semantic impairments in western neurological patients have a common cognitive structure. Lingua.  ISSN 0024-3841.  244C . doi: 10.1016/j.lingua.2020.102929 Full text in Research Archive.
• Pecchinenda, Anna; Monachesi, Bianca & Laeng, Bruno (2020). Fearful expressions of rapidly presented hybrid-faces modulate the lag 1 sparing in the attentional blink. Acta Psychologica.  ISSN 0001-6918. . doi: https://doi.org/10.1016/j.actpsy.2020.103124
• Sato, Fumiaki; Laeng, Bruno; Nakauchi, Shigeki & Minami, Tetsuto (2020). Cueing the Necker cube: Pupil dilation reflects the viewing-from-above constraint in bistable perception.. Journal of Vision.  ISSN 1534-7362.  20(4) . doi: 10.1167/jov.20.4.7
• Zelechowska, Agata; Gonzalez-Sanchez, Victor E.; Laeng, Bruno & Jensenius, Alexander Refsum (2020). Headphones or Speakers? An Exploratory Study of Their Effects on Spontaneous Body Movement to Rhythmic Music. Frontiers in Psychology.  ISSN 1664-1078.  11(698) . doi: 10.3389/fpsyg.2020.00698 Full text in Research Archive. Show summary

  Previous studies have shown that music may lead to spontaneous body movement, even when people try to stand still. But are spontaneous movement responses to music similar if the stimuli are presented using headphones or speakers? This article presents results from an exploratory study in which 35 participants listened to rhythmic stimuli while standing in a neutral position. The six different stimuli were 45 s each and ranged from a simple pulse to excerpts from electronic dance music (EDM). Each participant listened to all the stimuli using both headphones and speakers. An optical motion capture system was used to calculate their quantity of motion, and a set of questionnaires collected data about music preferences, listening habits, and the experimental sessions. The results show that the participants on average moved more when listening through headphones. The headphones condition was also reported as being more tiresome by the participants. Correlations between participants’ demographics, listening habits, and self-reported body motion were observed in both listening conditions. We conclude that the playback method impacts the level of body motion observed when people are listening to music. This should be taken into account when designing embodied music cognition studies.

• Øvervoll, Morten; Schettino, Ilaria; Suzuki, Hikaru; Okubo, Matia & Laeng, Bruno (2020). Filtered beauty in Oslo and Tokyo: A spatial frequency analysis of facial attractiveness. PLOS ONE.  ISSN 1932-6203.  15:e0227513(1), s 1- 25 . doi: 10.1371/journal.pone.0227513 Full text in Research Archive.
• Øvervoll, Morten; Schettino, Ilaria; Suzuki, Hikaru; Okubo, Matia & Laeng, Bruno (2020). Filtered beauty in Oslo and Tokyo: A spatial frequency analysis of facial attractiveness. PLOS ONE.  ISSN 1932-6203.  15(1) . doi: https://doi.org/10.1371/journal.pone.0227513 Full text in Research Archive. Show summary

  Images of European female and male faces were digitally processed to generate spatial frequency (SF) filtered images containing only a narrow band of visual information within the Fourier spectrum. The original unfiltered images and four SF filtered images (low, mediumlow, medium-high and high) were then paired in trials that kept constant SF band and face gender and participants made a forced-choice decision about the more attractive among the two faces. In this way, we aimed at identifying those specific SF bands where forced-choice preferences corresponded best to forced-choice judgements made when viewing the natural, broadband, facial images. We found that aesthetic preferences dissociated across SFs and face gender, but similarly for participants from Asia (Japan) and Europe (Norway). Specifically, preferences when viewing SF filtered images were best related to the preference with the broadband face images when viewing the highest filtering band for the female faces (about 48–77 cycles per face). In contrast, for the male faces, the medium-low SF band (about 11–19 cpf) related best to choices made with the natural facial images. Eye tracking provided converging evidence for the above, gender-related, SF dissociations. We suggest greater aesthetic relevance of the mobile and communicative parts for the female face and, conversely, of the rigid, structural, parts for the male face for facial aesthetics.

• Aminihajibashi, Samira; Hagen, Thomas; Foldal, Maja Dyhre; Laeng, Bruno & Espeseth, Thomas (2019). Individual differences in resting-state pupil size: Evidence for association between working memory capacity and pupil size variability. International Journal of Psychophysiology.  ISSN 0167-8760.  140, s 1- 7 . doi: 10.1016/j.ijpsycho.2019.03.007 Full text in Research Archive.
• Benavent, Sigrid Aune de Rodez; Nygaard, Gro Owren; Nilsen, Kristian Bernhard; Etholm, Lars; Sowa, Piotr; Gustavsen, Marte Wendel; Harbo, Hanne Flinstad; Drolsum, Liv; Laeng, Bruno; Kerty, Emilia & Celius, Elisabeth Gulowsen (2019). Neurodegenerative interplay of cardiovascular autonomic dysregulation and the retina in early multiple sclerosis. Frontiers in Neurology.  ISSN 1664-2295.  10, s 1- 9 . doi: 10.3389/fneur.2019.00507 Full text in Research Archive.
• Laeng, Bruno & Hofseth, Anders (2019). Where Are the Months? Mental Images of Circular Time in a Large Online Sample. Frontiers in Psychology.  ISSN 1664-1078.  10, s 1- 17 . doi: 10.3389/fpsyg.2019.02634 Full text in Research Archive. Show summary

  People may think about time by mentally imaging it in some spatial form, or as “spacetime.” In an online survey, 76,922 Norwegian individuals positioned two dots corresponding to the months of December and March on what they imagined to be their appropriate places on a circle. The majority of respondents placed December within a section of the circumference ranging from 11:00 to 12:00 o’clock, but a group of respondents chose positions around the diametrically opposite 6:00 o’clock position. A similar relationship occurred for March, where most respondents chose a position ranging from 2:30 to 3:00 o’clock but a group of respondents chose positions around 9:00 o’clock. About half of the respondents (N = 39,797) continued to fill out an online questionnaire probing their mental images related to the “year” concept. This clarified that 75% of respondents “saw” the months unfolding in a clockwise direction versus 19% in a counter clockwise fashion. Moreover, while a majority (70%) stated that they imagined the year as a “circle,” the rest indicated the use of other mental images (e.g., ellipses and spirals, lines and squares, idiosyncratic or synesthetic spatial forms). We found only weak effects or preferences for spatial forms based on respondents’ gender, handedness, age, or geographical location.

• Mäki-Marttunen, Verónica; Hagen, Thomas; Laeng, Bruno & Espeseth, Thomas (2019). Distinct Neural Mechanisms Meet Challenges in Dynamic Visual Attention due to Either Load or Object Spacing. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  32(1), s 65- 84 . doi: 10.1162/jocn_a_01469
• Mæhlum Walle, Kjersti; Nordvik, Jan Egil; Becker, Frank; Espeseth, Thomas; Sneve, Markus Handal & Laeng, Bruno (2019). Unilateral neglect post stroke: Eye movement frequencies indicate directional hypokinesia while fixation distributions suggest compensational mechanism. Brain and Behavior.  ISSN 2162-3279.  9:e01170(1) . doi: 10.1002/brb3.1170 Full text in Research Archive.
• Skaansar, Jo Fougner; Laeng, Bruno & Danielsen, Anne (2019). Microtiming and Mental Effort. Onset Asynchronies in Musical Rhythm Modulate Pupil Size. Music Perception.  ISSN 0730-7829.  37(2), s 111- 133 . doi: 10.1525/mp.2019.37.2.111 Full text in Research Archive. Show summary

  The present study tested two assumptions concerning the auditory processing of microtiming in musical grooves (i.e., repeating, movement-inducing rhythmic patterns): 1) Microtiming challenges the listener's internal framework of timing regularities, or meter, and demands cognitive effort. 2) Microtiming promotes a “groove” experience—a pleasant sense of wanting to move along with the music. Using professional jazz musicians and nonmusicians as participants, we hypothesized that microtiming asynchronies between bass and drums (varying from −80 to 80 ms) were related to a) an increase in “mental effort” (as indexed by pupillometry), and b) a decrease in the quality of sensorimotor synchronization (as indexed by reduced finger tapping stability). We found bass/drums-microtiming asynchronies to be positively related to pupil dilation and negatively related to tapping stability. In contrast, we found that steady timekeeping (presence of eighth note hi-hat in the grooves) decreased pupil size and increased tapping performance, though there were no conclusive differences in pupil response between musicians and nonmusicians. However, jazz musicians consistently tapped with higher stability than nonmusicians, reflecting an effect of rhythmic expertise. Except for the condition most closely resembling real music, participants preferred the on-the-grid grooves to displacements in microtiming and bass-succeeding-drums-conditions were preferred over the reverse.

• Suzuki, Yuta; Minami, Tetsuto; Laeng, Bruno & Nakauchi, Shigeki (2019). Colorful glares: Effects of colors on brightness illusions measured with pupillometry. Acta Psychologica.  ISSN 0001-6918.  198, s 1- 10 . doi: 10.1016/j.actpsy.2019.102882 Full text in Research Archive.
• Hagen, Thomas; Espeseth, Thomas & Laeng, Bruno (2018). Chasing Animals With Split Attention: Are Animals Prioritized in Visual Tracking?. i-Perception.  ISSN 2041-6695.  9(5), s 1- 35 . doi: 10.1177/2041669518795932 Full text in Research Archive.
• Laeng, Bruno (2018). Swedenborg's Visionary Neuroanatomy, In Petrine Lillevold Vinje (ed.),  Anthology - Anatomical Theatre.  Uten Tittel.  ISBN 978-82-93502-20-3.  6.  s 42 - 52
• Laeng, Bruno; Færevaag, Fredrik Svartdal; Tanggaard, Stine & von Tetzchner, Stephen (2018). Pupillary Responses to Illusions of Brightness in Autism Spectrum Disorder. i-Perception.  ISSN 2041-6695.  9(3), s 1- 11 . doi: 10.1177/2041669518771716 Full text in Research Archive.
• Laeng, Bruno; Kiambarua, Kenneth Gitiye; Hagen, Thomas; Bochynska, Agata; Lubell, James; Suzuki, Hikaru & Okubo, Matia (2018). The "face race lightness illusion": An effect of the eyes and pupils?. PLOS ONE.  ISSN 1932-6203.  13:e0201603(8), s 1- 36 . doi: 10.1371/journal.pone.0201603 Full text in Research Archive.
• Løseth, Guro Engvig; Eikemo, Marie Helene; Isager, Peder Mortvedt; Holmgren, Jostein; Laeng, Bruno; Vindenes, Vigdis; Hjornevik, Trine & Leknes, Siri (2018). Morphine reduced perceived anger from neutral and implicit emotional expressions. Psychoneuroendocrinology.  ISSN 0306-4530.  91, s 123- 131 . doi: 10.1016/j.psyneuen.2018.02.035 Full text in Research Archive.
• Mäki-Marttunen, Verónica; Hagen, Thomas; Aminihajibashi, Samira; Foldal, Maja Dyhre; Stavrinou, Maria; Halvorsen, Jens; Laeng, Bruno & Espeseth, Thomas (2018). Ocular signatures of proactive versus reactive cognitive control in young adults. Cognitive, Affective, & Behavioral Neuroscience.  ISSN 1530-7026.  s 1- 15 . doi: 10.3758/s13415-018-0621-5
• Mæhlum Walle, Kjersti; Nordvik, Jan Egil; Espeseth, Thomas; Becker, Frank & Laeng, Bruno (2018). Multiple object tracking and pupillometry reveal deficits in both selective and intensive attention in unilateral spatial neglect. Journal of Clinical and Experimental Neuropsychology.  ISSN 1380-3395.  49(3), s 270- 289 . doi: 10.1080/13803395.2018.1536735
• Prete, Giulia; Laeng, Bruno & Tommasi, Luca (2018). Transcranial random noise stimulation (tRNS) over prefrontal cortex does not influence the evaluation of facial emotions. Social Neuroscience.  ISSN 1747-0919.  s 1- 5 . doi: 10.1080/17470919.2018.1546226
• Sulutvedt, Unni; Mannix, Thea K. & Laeng, Bruno (2018). Gaze and the Eye Pupil Adjust to Imagined Size and Distance. Cognitive Science.  ISSN 0364-0213.  s 1- 18 . doi: 10.1111/cogs.12684
• de Rodez Benavent, Sigrid Aune; Nygaard, Gro Owren; Harbo, Hanne Flinstad; Tønnesen, Siren; Sowa, Piotr; Landrø, Nils Inge; Gustavsen, Marte Wendel; Etholm, Lars; Nilsen, Kristian Bernhard; Drolsum, Liv; Kerty, Emilia; Celius, Elisabeth Gulowsen & Laeng, Bruno (2017). Fatigue and cognition: Pupillary responses to problem-solving in early multiple sclerosis patients. Brain and Behavior.  ISSN 2162-3279.  7 . doi: 10.1002/brb3.717 Full text in Research Archive.
• Hagen, Thomas & Laeng, Bruno (2017). Animals Do Not Induce or Reduce Attentional Blinking, But They Are Reported More Accurately in a Rapid Serial Visual Presentation Task. i-Perception.  ISSN 2041-6695.  8(5), s 1- 25 . doi: 10.1177/2041669517735542 Full text in Research Archive.
• Mæhlum Walle, Kjersti; Kyler, Hillary Lynn; Nordvik, Jan Egil; Becker, Frank & Laeng, Bruno (2017). Binocular rivalry after right-hemisphere stroke: Effects of attention impairment on perceptual dominance patterns. Brain and Cognition.  ISSN 0278-2626.  117, s 84- 96 . doi: 10.1016/j.bandc.2017.06.007
• Stocker, Kurt & Laeng, Bruno (2017). Analog and Digital Windowing of Attention in Language, Visual Perception, and the Brain. Cognitive Semantics.  ISSN 2352-6408.  3, s 158- 181 . doi: 10.1163/23526416-00302002
• Zavagno, Damiele; Tommasi, Luca & Laeng, Bruno (2017). The Eye Pupil’s Response to Static and Dynamic Illusions of Luminosity and Darkness. i-Perception.  ISSN 2041-6695.  July-August . doi: 10.1177/2041669517717754 Full text in Research Archive.
• Chelnokova, Olga V; Laeng, Bruno; Løseth, Guro Engvig; Eikemo, Marie Helene; Willoch, Frode & Leknes, Siri (2016). The µ-Opioid System Promotes Visual Attention to Faces and Eyes. Social Cognitive & Affective Neuroscience.  ISSN 1749-5016.  11(12), s 1902- 1909 . doi: /10.1093/scan/nsw116
• D'Ascenzo, Stefania; Iani, Cristina; Guidotti, Roberto; Laeng, Bruno & Rubichi, Sandro (2016). Practice-induced and sequential modulations in the Simon task: evidence from pupil dilation. International Journal of Psychophysiology.  ISSN 0167-8760.  110, s 187- 193 . doi: 10.1016/j.ijpsycho.2016.08.002
• Hagen, Thomas & Laeng, Bruno (2016). The Change Detection Advantage for Animals: An Effect of Ancestral Priorities or Progeny of Experimental Design?. i-Perception.  ISSN 2041-6695.  7(3), s 1- 17 . doi: 10.1177/2041669516651366 Full text in Research Archive.
• Laeng, Bruno; Eidet, Lise Mette; Sulutvedt, Unni & Panksepp, Jaak (2016). Music chills: The eye pupil as a mirror to music’s soul. Consciousness and Cognition.  ISSN 1053-8100.  44, s 161- 178 . doi: 10.1016/j.concog.2016.07.009
• Laeng, Bruno; Suegami, Takashi & Aminihajibashi, Samira (2016). Wine labels: an eye-tracking and pupillometry study. International Journal of Wine Business Research.  ISSN 1751-1062.  28(4), s 327- 348 . doi: 10.1108/IJWBR-03-2016-0009
• Martarelli, Corinna S.; Chiquet, Sandra; Laeng, Bruno & Mast, Fred W. (2016). Using space to represent categories: insights from gaze position. Psychological Research.  ISSN 0340-0727.  s 1- 9 . doi: 10.1007/s00426-016-0781-2
• Miozzo, Michele & Laeng, Bruno (2016). Why Saturday could be both green and red in synesthesia. Cognitive Processing.  ISSN 1612-4782.  s 1- 19 . doi: 10.1007/s10339-016-0769-2
• Prete, Giulia; Laeng, Bruno & Tommasi, Luca (2016). Modulating adaptation to emotional faces by spatial frequency filtering. Psychological Research.  ISSN 0340-0727.  82(2), s 310- 323 . doi: DOI: 10.1007/s00426-016-0830-x
• Alnæs, Dag; Sneve, Markus Handal; Richard, Geneviéve´; Skåtun, Kristina Cecilie; Kaufmann, Tobias; Nordvik, Jan Egil; Andreassen, Ole Andreas; Endestad, Tor; Laeng, Bruno & Westlye, Lars Tjelta (2015). Functional connectivity indicates differential roles for the intraparietal sulcus and the superior parietal lobule in multiple object tracking. NeuroImage.  ISSN 1053-8119.  123, s 129- 137 . doi: 10.1016/j.neuroimage.2015.08.029
• Bochynska, Agata & Laeng, Bruno (2015). Tracking down the path of memory: eye scanpaths facilitate retrieval of visuospatial information. Cognitive Processing.  ISSN 1612-4782.  16, s 159- 163 . doi: 10.1007/s10339-015-0690-0
• Falasca, Nicola Walter; D'Ascenzo, Stefania; Di Domenico, A; Onofrij, Marco; Tommasi, Luca; Laeng, Bruno & Franciotti, Raffaella (2015). Hemispheric lateralization in top-down attention during spatial relation processing: a Granger causal model approach. European Journal of Neuroscience.  ISSN 0953-816X. . doi: 10.1111/ejn.12846
• Nygaard, Gro Owren; de Rodez Benavent, Sigrid Aune; Harbo, Hanne Flinstad; Laeng, Bruno; Sowa, Piotr; Damangir, Soheil; Nilsen, Kristian Bernhard; Etholm, Lars; Tønnesen, Siren; Kerty, Emilia; Drolsum, Liv; Landrø, Nils Inge & Celius, Elisabeth Gulowsen (2015). Eye and hand motor interactions with the Symbol Digit Modalities Test in early multiple sclerosis. Multiple Sclerosis and Related Disorders.  ISSN 2211-0348.  4(6), s 585- 589 . doi: 10.1016/j.msard.2015.08.003
• Okubo, Matia; Ishikawa, Kenta; Kobayashi, Akihiro; Laeng, Bruno & Tommasi, Luca (2015). Cool Guys and Warm Husbands: The Effect of Smiling on Male Facial Attractiveness for Short- and Long-Term Relationships. Evolutionary Psychology.  ISSN 1474-7049.  13(3), s 1- 8 . doi: 10.1177/1474704915600567
• Prete, Giulia; Capotosto, Paolo; Zappasodi, Filippo; Laeng, Bruno & Tommasi, Luca (2015). The cerebral correlates of subliminal emotions: An eleoencephalographic study with emotional hybrid faces. European Journal of Neuroscience.  ISSN 0953-816X.  42(11), s 2952- 2962 . doi: 10.1111/ejn.13078
• Prete, Giulia; D'Ascenzo, Stefania; Laeng, Bruno; Fabri, Mara; Foschi, Nicoletta & Tommasi, Luca (2015). Conscious and unconscious processing of facial expressions: Evidence from two split-brain patients. Journal of Neuropsychology.  ISSN 1748-6645.  9(1), s 45- 63 . doi: 10.1111/jnp.12034
• Prete, Giulia; Laeng, Bruno; Fabri, Mara; Foschi, Nicoletta & Tommasi, Luca (2015). Right hemisphere or valence hypothesis, or both? The processing of hybrid faces in the intact and callosotomized brain. Neuropsychologia.  ISSN 0028-3932.  68, s 94- 106 . doi: 10.1016/j.neuropsychologia.2015.01.002
• Simon, Thomas; Farup, Ivar & Laeng, Bruno (2015). Evaluating color deffciency simulation and daltonization methods through visual search and sample-to-match: SaMSEM and ViSDEM, In Reiner Eschbach; Gabriel G. Marcu & Alessandro Rizzi (ed.),  Color Imaging XX: Displaying, Processing, Hardcopy, and Applications;.  SPIE - International Society for Optical Engineering.  ISBN 9781628414851.  Chapter. Show summary

  Color deficient people might be confronted with minor difficulties when navigating through daily life, for example when reading websites or media, navigating with maps, retrieving information from public transport schedules and others. Color deficiency simulation and daltonization methods have been proposed to better understand problems of color deficient individuals and to improve color displays for their use. However, it remains unclear whether these color prosthetic" methods really work and how well they improve the performance of color deficient individuals. We introduce here two methods to evaluate color deficiency simulation and daltonization methods based on behavioral experiments that are widely used in the field of psychology. Firstly, we propose a Sample-to-Match Simulation Evaluation Method (SaMSEM); secondly, we propose a Visual Search Daltonization Evaluation Method (ViSDEM). Both methods can be used to validate and allow the generalization of the simulation and daltonization methods related to color deficiency. We showed that both the response times (RT) and the accuracy of SaMSEM can be used as an indicator of the success of color deficiency simulation methods and that performance in the ViSDEM can be used as an indicator for the efficacy of color deficiency daltonization methods. In future work, we will include comparison and analysis of different color deficiency simulation and daltonization methods with the help of SaMSEM and ViSDEM.

• Valuch, Christian; Pflüger, Lena; Wallner, Bernard; Laeng, Bruno & Ansorge, Ulrich (2015). Using eye tracking to test for individual differences in attention to attractive faces. Frontiers in Psychology.  ISSN 1664-1078.  6(42) . doi: 10.3389/fpsyg.2015.00042
• Zak, Monika; Laeng, Bruno & Simon-Liedtke, Joschua Thomas (2015). Can the recognition of emotional expressions be enhanced by manipulating facial skin colour?, In Marius Pedersen & Jean-Baptiste Thomas (ed.),  2015 Colour and Visual Computing Symposium (CVCS).  IEEE conference proceedings.  ISBN 978-1-4799-1765-5.  Chapter. Show summary

  Conducting surveillance impact assessment is the first step to solve the "Who monitors the monitor?" problem. Since the surveillance impacts on different dimensions of privacy and society are always changing, measuring compliance and impact through metrics can ensure the negative consequences are minimized to acceptable levels. To develop metrics systematically for surveillance impact assessment, we follow the top-down process of the Goal/Question/Metric paradigm: 1) establish goals through the social impact model, 2) generate questions through the dimensions of surveillance activities, and 3) develop metrics through the scales of measure. With respect to the three factors of impact magnitude: the strength of sources, the immediacy of sources, and the number of sources, we generate questions concerning surveillance activities: by whom, for whom, why, when, where, of what, and how, and develop metrics with the scales of measure: the nominal scale, the ordinal scale, the interval scale, and the ratio scale. In addition to compliance assessment and impact assessment, the developed metrics have the potential to address the power imbalance problem through sousveillance, which employs surveillance to control and redirect the impact exposures.

• Alnæs, Dag; Sneve, Markus Handal; Espeseth, Thomas; Endestad, Tor; van de Pavert, Steven & Laeng, Bruno (2014). Pupil size signals mental effort deployed during multiple object tracking and predicts brain activity in the dorsal attention network and the locus coeruleus. Journal of Vision.  ISSN 1534-7362.  14(4), s 1- 20 . doi: 10.1167/14.4.1
• D'Ascenzo, Stefania; Tommasi, Luca & Laeng, Bruno (2014). Imagining sex and adapting to it: Different aftereffects after perceiving versus imagining faces. Vision Research.  ISSN 0042-6989.  96, s 45- 52 . doi: 10.1016/j.visres.2014.01.002
• Ellingsen, Dan Mikael; Wessberg, Johan; Chelnokova, Olga V; Olausson, Håkan; Laeng, Bruno & Leknes, Siri Graff (2014). In touch with your emotions: Oxytocin and touch change social impressions while others' facial expressions can alter touch. Psychoneuroendocrinology.  ISSN 0306-4530.  39(1), s 11- 20 . doi: 10.1016/j.psyneuen.2013.09.017
• Laeng, Bruno; Ilona, Bloem; D'Ascenzo, Stefania & Tommasi, Luca (2014). Scrutinizing visual images: The role of gaze in mental imagery and memory. Cognition.  ISSN 0010-0277.  131, s 263- 283 . doi: 10.1016/j.cognition.2014.01.003
• Laeng, Bruno & Sulutvedt, Unni (2014). The Eye Pupil Adjusts to Imaginary Light. Psychological Science.  ISSN 0956-7976.  25(1), s 188- 197 . doi: 10.1177/0956797613503556
• Mikalsen, Åse Kristine Rognmo; Folstad, Ivar; Yoccoz, Nigel Gilles & Laeng, Bruno (2014). The spectacular human nose: An amplifier of individual quality?. PeerJ.  ISSN 2167-8359.  2014(1) . doi: 10.7717/peerj.357 Full text in Research Archive.
• Prete, Giulia; Laeng, Bruno & Tommasi, Luca (2014). Lateralized hybrid faces: Evidence of a valence-specific bias in the processing of implicit emotions. Laterality: Asymmetries of Body, Brain and Cognition.  ISSN 1357-650X.  19(4), s 439- 454 . doi: 10.1080/1357650X.2013.862255
• Suegami, Takashi; Aminihajibashi, Samira & Laeng, Bruno (2014). Another look at category effects on colour perception and their left hemispheric lateralisation: No evidence from a colour identification task. Cognitive Processing.  ISSN 1612-4782.  15(2), s 217- 226 . doi: 10.1007/s10339-013-0595-8
• Sulutvedt, Unni & Laeng, Bruno (2014). The self prefers itself? Self-referential versus parental standards in face attractiveness. PeerJ.  ISSN 2167-8359.  2014(1) . doi: 10.7717/peerj.595
• van der Ham, Ineke; Postma, Albert & Laeng, Bruno (2014). Lateralized perception: The role of attention in spatial relation processing. Neuroscience and Biobehavioral Reviews.  ISSN 0149-7634.  45, s 142- 148 . doi: 10.1016/j.neubiorev.2014.05.006
• von Hofsten, Olov; von Hofsten, Claes; Sulutvedt, Unni; Laeng, Bruno; Brennen, Tim & Magnussen, Svein (2014). Simulating newborn face perception. Journal of Vision.  ISSN 1534-7362.  14:16(13) . doi: 10.1167/14.13.16
• Franciotti, Raffaella; D'Ascenzo, Stefania; Di Domenico, A; Onofrj, Marco; Tommasi, Luca & Laeng, Bruno (2013). Focusing Narrowly or Broadly Attention When Judging Categorical and Coordinate Spatial Relations: A MEG Study. PLOS ONE.  ISSN 1932-6203.  8(12), s 1- 11 . doi: 10.1371/journal.pone.0083434
• Laeng, Bruno (2013). Representation of Spatial Relation, In Kevin Ochsner & Stephen M. Kosslyn (ed.),  The Oxford Handbook of Cognitive Neuroscience, Volume 1: Core Topics.  Oxford University Press.  ISBN 0199988692.  Chapter 3.  s 28 - 50
• Laeng, Bruno; Sæther, Line; Holmlund, Terje; Wang, Catharina E.; Waterloo, Knut; Eisemann, Martin & Halvorsen, Marianne (2013). Invisible emotional expressions influence social judgments and pupillary responses of both depressed and non-depressed individuals. Frontiers in Psychology.  ISSN 1664-1078.  4, s 1- 7 . doi: 10.3389/fpsyg.2013.00291 Full text in Research Archive.
• Laeng, Bruno; Vermeer, Oddrun & Sulutvedt, Unni (2013). Is Beauty in the Face of the Beholder?. PLOS ONE.  ISSN 1932-6203.  8(7) . doi: 10.1371/journal.pone.0068395.g001 Full text in Research Archive.
• Leknes, Siri Graff; Wessberg, Johan; Ellingsen, Dan Mikael; Chelnokova, Olga V; Olausson, Håkan & Laeng, Bruno (2013). Oxytocin enhances pupil dilation and sensitivity to hidden emotional expressions. Social Cognitive & Affective Neuroscience.  ISSN 1749-5016.  8(7), s 741- 749 . doi: 10.1093/scan/nss062
• Nijboer, Tanja & Laeng, Bruno (2013). Synesthesia, eye-movements, and pupillometry, In Julia Simner & Edward Hubbard (ed.),  The Oxford Handbook of Synesthesia.  Oxford University Press.  ISBN 978-0-19-960332-9.  Chapter 17.  s 334 - 346
• Olsen, Bernt Ivar; Laeng, Bruno; Kristiansen, Kari-Ann & Hartvigsen, Gunnar (2013). Size does matter: Women mentally rotate large objects faster than men. Scandinavian Journal of Psychology.  ISSN 0036-5564.  54(3), s 196- 204 . doi: 10.1111/sjop.12043
• Palumbo, Rocco; Laeng, Bruno & Tommasi, Luca (2013). Gender-specific aftereffects following adaptation to silhouettes of human bodies. Visual Cognition.  ISSN 1350-6285.  21(1), s 1- 12 . doi: 10.1080/13506285.2012.753970
• Prete, Giulia; D'Ascenzo, Stefania; Laeng, Bruno; Fabri, Mara; Foschi, Nicoletta & Tommasi, Luca (2013). Conscious and unconscious processing of facial expressions: Evidence from two split-brain patients. Journal of Neuropsychology.  ISSN 1748-6645. . doi: 10.1111/jnp.12034
• Suegami, Takashi & Laeng, Bruno (2013). A left cerebral hemisphere’s superiority in processing spatial-categorical information in a non-verbal semantic format. Brain and Cognition.  ISSN 0278-2626.  81(2), s 294- 302 . doi: 10.1016/j.bandc.2012.10.012
• Gredebäck, Gustaf; Eriksson, Malin; Schmitow, Clara; Laeng, Bruno & Stenberg, Gunilla (2012). Individual Differences in Face Processing: Infants’ Scanning Patterns and Pupil Dilations are Influenced by the Distribution of Parental Leave. Infancy.  ISSN 1525-0008.  17(1), s 79- 101 . doi: 10.1111/j.1532-7078.2011.00091.x
• Laeng, Bruno & Endestad, Tor (2012). Bright illusions reduce the eye's pupil. Proceedings of the National Academy of Sciences of the United States of America.  ISSN 0027-8424.  109(6), s 2162- 2167 . doi: 10.1073/pnas.1118298109
• Laeng, Bruno; Sirois, Sylvain & Gredebäck, Gustaf (2012). Pupillometry: A Window to the Preconscious?. Journal of Business Venturing.  ISSN 1745-6916.  7(1), s 18- 27 . doi: 10.1177/1745691611427305
• Tommasi, Luca & Laeng, Bruno (2012). Psychology of spatial cognition. Wiley Interdisciplinary Reviews: Cognitive Science.  ISSN 1939-5078.  3(6), s 565- 580 . doi: 10.1002/wcs.1198
• Wu, Esther Xiu Wen; Laeng, Bruno & Magnussen, Svein (2012). Through the eyes of the own-race bias: Eye-tracking and pupillometry during face recognition. Social Neuroscience.  ISSN 1747-0919.  7(2), s 202- 216 . doi: 10.1080/17470919.2011.596946
• Chelnokova, Olga V & Laeng, Bruno (2011). Three-dimensional information in face recognition: An eye-tracking study. Journal of Vision.  ISSN 1534-7362.  11(13) . doi: 10.1167/11.13.27
• Laeng, Bruno; Hugdahl, Kenneth & Specht, Karsten (2011). The neural correlate of colour distances revealed with competing synaesthetic and real colours. Cortex.  ISSN 0010-9452.  47(3), s 320- 331 . doi: 10.1016/j.cortex.2009.09.004
• Laeng, Bruno; Okubo, Matia; Saneyoshi, Ayako & Michimata, Chikashi (2011). Processing Spatial Relations With Different Apertures of Attention. Cognitive Science.  ISSN 0364-0213.  35(2), s 297- 329 . doi: 10.1111/j.1551-6709.2010.01139.x
• Laeng, Bruno; Ørbo, Marte; Holmlund, Terje & Miozzo, Michele (2011). Pupillary Stroop effects. Cognitive Processing.  ISSN 1612-4782.  12(1), s 13- 21 . doi: 10.1007/s10339-010-0370-z Full text in Research Archive.
• Michimata, Chikashi; Saneyoshi, Ayako; Okubo, Matia & Laeng, Bruno (2011). Effects of the global and local attention on the processing of categorical and coordinate spatial relations. Brain and Cognition.  ISSN 0278-2626.  77(2), s 292- 297 . doi: 10.1016/j.bandc.2011.07.008
• Olsen, Bernt Ivar; Laeng, Bruno; Kristiansen, Kari-Ann & Hartvigsen, Gunnar (2011). Spatial Tasks on a Large, High-Resolution, Tiled Display: A Male Inferiority in Performance with a Mental Rotation Task. Lecture Notes in Computer Science (LNCS).  ISSN 0302-9743.  6781(1), s 63- 71 . doi: 10.1007/978-3-642-21741-8
• Specht, Karsten & Laeng, Bruno (2011). An independent component analysis of fMRI data of grapheme-colour synaesthesia. Journal of Neuropsychology.  ISSN 1748-6645.  5, s 203- 213 . doi: 10.1111/j.1748-6653.2011.02008.x
• Espeseth, Thomas; Sneve, Markus Handal; Rootwelt, Helge & Laeng, Bruno (2010). Nicotinic Receptor Gene CHRNA4 Interacts with Processing Load in Attention. PLOS ONE.  ISSN 1932-6203.  5(12) . doi: 10.1371/journal.pone.0014407
• Hellige, Joseph B.; Laeng, Bruno & Michimata, Chikashi (2010). Processing asymmetries in the visual system, In Kenneth Hugdahl & René Westerhausen (ed.),  The two halves of the brain : information processing in the cerebral hemispheres.  MIT Press.  ISBN 978-0-262-01413-7.  13.  s 379 - 415
• Laeng, Bruno; Profeti, Italo; Sæther, Line; Adolfsdottir, Steinunn; Lundervold, Astri; Vangberg, Torgil; Øvervoll, Morten; Johnsen, Stein Harald & Waterloo, Knut (2010). Invisible expressions evoke core impressions. Emotion.  ISSN 1528-3542.  10(4), s 573- 586 . doi: 10.1037/a0018689
• Okubo, Matia; Laeng, Bruno; Saneyoshi, Ayako & Michimata, Chikashi (2010). Exogenous attention differentially modulates the processing of categorical and coordinate spatial relations. Acta Psychologica.  ISSN 0001-6918.  135(1), s 1- 11 . doi: 10.1016/j.actpsy.2010.04.004
• Laeng, Bruno (2009). Searching through synaesthetic colors. Attention, Perception & Psychophysics.  ISSN 1943-3921.  71(7), s 1461- 1467 . doi: 10.3758/APP.71.7.1461
• Oelmann, Hella Irene & Laeng, Bruno (2009). The emotional meaning of harmonic intervals. Cognitive Processing.  ISSN 1612-4782.  10(2), s 113- 131 . doi: 10.1007/s10339-008-0217-z
• Olsen, Bernt Ivar; Laeng, Bruno; Kristiansen, Kari-Ann & Hartvigsen, Gunnar (2009). Spatial Tasks on a Large, High-Resolution Tiled Display: Females Mentally Rotate Large Objects Faster Than Men. Lecture Notes in Computer Science (LNCS).  ISSN 0302-9743.  5639, s 233- 242 . doi: 10.1007/978-3-642-02728-4
• Sæther, Line; Van Belle, Werner; Laeng, Bruno; Brennen, Tim & Øvervoll, Morten (2009). Anchoring gaze when categorizing faces' sex: Evidence from eye-tracking data. Vision Research.  ISSN 0042-6989.  49(23), s 2870- 2880 . doi: 10.1016/j.visres.2009.09.001 Show summary

  Previous research has shown that during recognition of frontal views of faces, the preferred landing positions of eye fixations are either on the nose or the eye region. Can these findings generalize to other facial views and a simpler perceptual task? An eye-tracking experiment investigated categorization of the sex of faces seen in four views. The results revealed a strategy, preferred in all views, which consisted of focusing gaze within an ‘infraorbital region’ of the face. This region was fixated more in the first than in subsequent fixations. Males anchored gaze lower and more centrally than females.

• Laeng, Bruno (2008). Brain imaging - Making the unobservable observable?. Japanese Journal of Psychonomic Science.  ISSN 0287-7651.  27(1), s 65- 70
• Oelmann, Hella & Laeng, Bruno (2008). The emotional meaning of harmonic intervals. Cognitive Processing.  ISSN 1612-4782. . doi: 10.1007/s10339-008-0217-z
• Sæther, Line & Laeng, Bruno (2008). On facial expertise: Processing strategies of twins' parents. Perception.  ISSN 0301-0066.  37(8), s 1227- 1240 . doi: 10.1068/p5833
• Laeng, Bruno; Waterloo, Knut; Johnsen, Stein Harald; Bakke, Søren Jacob & Låg, Torstein (2007). The eyes remember it: Oculography and pupillometry during recollection in three amnesic patients. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  19(11), s 1888- 1904 Show summary

  Two patients (TC and SS) with lesions that included the hippocampal regions (predominantly on the left side) were severely impaired in their recall of simple, verbally stated facts. However, both patients remembered spatial information that was temporally associated with semantic information. Specifically, TC and SS could not recall explicitly the content of an episode, but their spontaneous oculomotor behavior showed that they retained some information about the event as their gaze automatically returned to the locations on the computer screen where visual information had been paired to verbally presented information. Thus, this spatial information is implicit, automatically retrieved, and eye-based, as when one patient (TC) was asked to point with the finger to the same positions he was impaired. In addition, in an old/new recognition task, TC and SS and an additional patient, OB, showed significant changes in eye pupil diameter when viewing novel visual stimuli compared to stimuli that they had previously seen, also when they (incorrectly) declared with confidence that an old item was new. The spared memory of these patients, despite severe amnesia for the learning episodes, is characterized by a re-enactment of previous eye fixations that were associated with each (forgotten) episode and physiological responses (as indexed by pupillometry) to previously seen stimuli. Such spared memory can be seen as a type of ‘‘snapshot’’ memory, which automatically processes eye-based spatial information and whose content remains implicit. Finally, we surmise on the basis of the neuroanatomical findings of these patients, that neural substrates in the spared (right) hemisphere might support both the eye fixations’ re-enactment and implicit visual pattern recognition

• Laeng, Bruno; Brennen, T; Elden, A; Elden, Åke; Paulsen, Helle; Banerjee, A & Lipton, R (2007). Latitude-of-birth and season-of-birth effects on human color vision in the Arctic. Vision Research.  ISSN 0042-6989.  47 . doi: 10.1016/j/visres.2007.03.011
• Laeng, Bruno & Falkenberg, L (2007). Women's pupillary responses to sexually significant others during the hormonal cycle. Hormones and Behavior.  ISSN 0018-506X.  52, s 520- 530 . doi: 10.1016/j.yhbeh.2007.07.013
• Laeng, Bruno & Falkenberg, Liv (2007). Women’s pupillary responses to sexually significant others during the hormonal cycle. Hormones and Behavior.  ISSN 0018-506X.  52, s 520- 530 Show summary

  Women's sexual preferences can change over the hormonal cycle, as several studies, based on responses to questionnaires, diaries, and ratings of photographs, have indicated increased sexual interests around the time of ovulation. However, fewer studies have measured changes in attention or interest to sexually significant stimuli in terms of physiological responses that are not under voluntary control and measure sexual interest indirectly (i.e., without mention of sexual feelings or activities). In the present study, we indexed changes in sexual interest in terms of changes in the eye pupil's size. Pupillary diameter is known to have a proportional relation to the observer's level of interest and attention to a visual stimulus as well as to physical pleasure. Fourteen women (7 being “pill” users) viewed photos on a computer screen while their pupil diameters were recorded using an infrared eye-tracking device. Three measures were taken for each participant during three time windows that estimated the ovulatory, luteal, and menstrual phase of the cycle. We found an increase in mean pupil diameter for sexually significant stimuli during the fertile phase and this pupillary change was also specific to pictures of the participants' actual sexual partners. Moreover, this effect was only seen for women who did not use oral contraceptives. These findings confirm that women's attention for sexually significant stimuli is higher during their fertile phase of the menstrual cycle, and that changes in sexual interest are implicitly measurable using pupillometry

• Laeng, Bruno; Mathisen, R & Johnsen, Jan Are Kolset (2007). Why do blue-eyed men prefer women with the same eye color?. Behavioral Ecology and Sociobiology.  ISSN 0340-5443.  61 . doi: 10.1007/s00265-006-0266-1
• Laeng, Bruno; Waterloo, Knut; Johnsen, Stein Harald; Bakke, Søren jacob; Låg, Torstein; Simonsen, Synnøve & Høgsæt, Jørgen (2007). The eyes remember it: Oculography and pupillometry during recollection in three amnesic patients. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  19(11), s 1888- 1904
• Laeng, Bruno; Øvervoll, Morten & Steinsvik, OO (2007). Remembering 1500 pictures: The right hemisphere remembers better than the left. Brain and Cognition.  ISSN 0278-2626.  63 . doi: 10.1016/j.bandc.2006.10.009
• Jäncke, L; Baumann, S; Koeneke, S; Meyer, M; Laeng, Bruno; Peters, M & Lutz, K (2006). Neural control of playing a reversed piano: empirical evidence for an unusual cortical organization of musical functions. NeuroReport.  ISSN 0959-4965.  17
• Jäncke, Lutz; Baumann, Simon; Koeneke, Susan; Meyer, Martin; Laeng, Bruno; Peters, Michael & Lutz, Kai (2006). Neural control of playing a reversed piano: Empirical evidence for an unusual cortical organisation of musical functions. NeuroReport.  ISSN 0959-4965.  17, s 447- 451
• Laeng, Bruno (2006). Constructional apraxia after left or right unilateral stroke. Neuropsychologia.  ISSN 0028-3932.  44, s 1595- 1606
• Laeng, Bruno (2006). Constructional apraxia after left or right unilateral stroke. Neuropsychologia.  ISSN 0028-3932.  44, s 1595- 1606
• Låg, Torstein; Hveem, Kari; Ruud, Kristin & Laeng, Bruno (2006). The visual basis of category effects in object identification: Evidence from the visual hemifield paradigm. Brain and Cognition.  ISSN 0278-2626.  60
• Magnus, Ragnhild Elise & Laeng, Bruno (2006). Drawing on either side of the brain. Laterality: Asymmetries of Body, Brain and Cognition.  ISSN 1357-650X.  11, s 71- 89
• Magnus, Ragnhild & Laeng, Bruno (2006). Drawing on either side of the brain. Laterality: Asymmetries of Body, Brain and Cognition.  ISSN 1357-650X.  11, s 71- 89
• Paulsen, Helle & Laeng, Bruno (2006). Pupillometry of grapheme-color synaesthesia. Cortex.  ISSN 0010-9452.  42, s 290- 294
• Postma, A; Huntjens, R; Meuwissen, M & Laeng, Bruno (2006). The time course of spatial memory processing in the two hemispheres. Neuropsychologia.  ISSN 0028-3932.  44, s 1914- 1918
• Laeng, Bruno; Låg, Torstein & Brennen, Tim (2005). Reduced Stroop interference for opponent colors may be due to input factors: Evidence from individual differences and a neural network simulation. Journal of Experimental Psychology: Human Perception and Performance.  ISSN 0096-1523.  31(3), s 438- 452
• Laeng, Bruno; Låg, Torstein & Brennen, Tim (2005). Reduced Stroop interference for opponent colors may be due to input factors: Evidence from individual differences and a neural network simulation. Journal of Experimental Psychology: Human Perception and Performance.  ISSN 0096-1523.  31, s 438- 52
• Laeng, Bruno; Brennen, Tim; Dahl, Tove Irene; Låg, Torstein; Sagvolden, Terje; Svartdal, Frode; Sæther, Line; Wiking, Susanne & Øvervoll, Morten (2004). The northernmost cognitive science laboratory. Cognitive Processing.  ISSN 1612-4782.  5, s 57- 62
• Laeng, Bruno; Svartdal, Frode & Oelmann, Hella (2004). Does color synaesthesia pose a paradox for early selection theories of attention?. Psychological Science.  ISSN 0956-7976.  15(4), s 277- 281
• Laeng, Bruno; Svartdal, Frode & Oelmann, Hella (2004). Does color synaesthesia pose a paradox for early selection theories of attention?. Psychological Science.  ISSN 0956-7976.  15, s 277- 281
• Laeng, Bruno; Svartdal, Frode & Oelmann, Hella (2004). Does color synesthesia pose a paradox for early-selection theories of attention?. Psychological Science.  ISSN 0956-7976.  15, s 277- 281
• Silvera, David Howard; Laeng, Bruno & Dahl, Tove Irene (2003). Training of doctoral students of psychology in the United States. European Psychologist.  ISSN 1016-9040.  8(1), s 48- 53
• Laeng, Bruno; Chabris, Christopher F. & Kosslyn, Stephen M. (2003). Asymmetries in encoding spatial relations, In  The asymmetrical brain.  MIT Press.  ISBN 0-262-08309-4.  9.  s 303 - 339
• Laeng, Bruno & Teodorescu, Dinu-Stefan (2003). Eye scanpaths during visual imagery reenact those of perception of the same visual scene. Cognitive Science.  ISSN 0364-0213.
• Laeng, Bruno; Zarrinpar, Amir & Kosslyn, Stephen M. (2003). Do separate processes identify objects as exemplars versus members of basic-level categories? Evidence from hemispheric specialization. Brain and Cognition.  ISSN 0278-2626.  53, s 15- 27
• Laeng, Bruno; Brennen, Tim & Espeseth, Thomas (2002). Fast responses to neglected targets in visual search reflect pre-attentive processes: An exploration of response times in visual neglect. Neuropsychologia.  ISSN 0028-3932.  40(1622)
• Laeng, Bruno & Teodorescu, Dinu S. (2002). Eye scanpaths during visual imagery reenact those of perception of the same visual scene. Cognitive Science.  ISSN 0364-0213.  26, s 207- 231
• Laeng, Bruno; Brennen, Tim; Johannessen, Kristin; Holmen, Kirsti & Elvestad, Rolf (2002). MULTIPLE REFERENCE FRAMES IN NEGLECT? AN INVESTIGATION OF THE OBJECT-CENTRED FRAME AND THE DISSOCIATION BETWEEN “NEAR” AND “FAR” FROM THE BODY BY USE OF A MIRROR. Cortex.  ISSN 0010-9452.  38, s 511- 528
• Laeng, Bruno; Carlesimo, Giovanni Augusto; Caltagirone, Carlo; Capasso, Rita & Miceli, Gabriele (2002). Rigid and non-rigid objects in canonical and non-canonical views: Hemisphere-specific effects on object identification. Cognitive Neuropsychology.  ISSN 0264-3294.  19, s 697- 720
• Laeng, Bruno & Caviness, Verne S. (2001). Prosopagnosia as a deficit in encoding curved surface. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  13(5), s 556- 557
• Laeng, Bruno & Caviness, Verne (2001). Prosopagnosia as a deficit in encoding curved surface. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  13, s 556- 557
• Laeng, Bruno & Rouw, Romke (2001). Canonical views of faces and the cerebral hemispheres. Laterality: Asymmetries of Body, Brain and Cognition.  ISSN 1357-650X.  6, s 193- 224
• Laeng, Bruno; Kosslyn, Stephen M.; Caviness, Verne S. & Bates, Jennifer (1999). Can deficits in spatial indexing contribute to simultanagnosia?. Cognitive Neuropsychology.  ISSN 0264-3294.  16, s 81- 114
• Laeng, Bruno; Kosslyn, Stephen M.; Caviness, Verne & Bates, Jennifer (1999). Can deficits in spatial indexing contribute to simultanagnosia?. Cognitive Neuropsychology.  ISSN 0264-3294.  16, s 81- 114
• Laeng, Bruno & Park, Ariane (1999). Handedness effects on playing a reversed and normal keyboard. Laterality: Asymmetries of Body, Brain and Cognition.  ISSN 1357-650X.  4, s 363- 377
• Laeng, Bruno; Shah, Jinesh & Kosslyn, Stephen M. (1999). Identifying objects in conventional and contorted poses: Contributions of hemisphere-specific mechanisms. Cognition.  ISSN 0010-0277.  70, s 53- 85
• Laeng, Bruno; Buchtel, Henry Gus & Butter, Charles M. (1996). Tactile rod bisection: Hemispheric activation and sex differences. Neuropsychologia.  ISSN 0028-3932.  34, s 1115- 1121
• Laeng, Bruno & Peters, Michael (1995). Cerebral lateralization for the processing of spatial coordinates and categories in left- and right-handers. Neuropsychologia.  ISSN 0028-3932.  33, s 421- 439
• Peters, Michael; Laeng, Bruno; Latham, Kerry; Jackson, Marla; Zaiyouna, Raghad & Richardson, Chris (1995). A redrawn Vandenberg & Kuse mental rotation test: Different versions and factors that affect performance. Brain and Cognition.  ISSN 0278-2626.  28, s 39- 58
• Laeng, Bruno (1994). Lateralization of categorical and coordinate spatial functions. A study of unilateral stroke patients. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  6(3), s 189- 203
• Laeng, Bruno (1994). Lateralization of categorical and coordinate spatial functions. A study of unilateral stroke patients. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  6, s 189- 203
• Laeng, Bruno; Berridge, Kent & Butter, Charles M. (1991). Pleasantness of a sweet taste during hunger and satiety: Effects of gender and "sweet tooth. Appetite.  ISSN 0195-6663.  14, s 442- 443

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• Laeng, Bruno (1990). Le Icone. Uno studio psicologico dell'arte sacra. Bulzoni.  188 s.
• Laeng, Bruno (1990). Le Icone: Uno studio psicologico dell'arte sacra. Bulzoni.  ISBN 88-7119-227-3.  210 s.

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• Laeng, Bruno & Alnæs, Dag (2019). Pupillometry, In Christoph Klein & Ulrich Ettinger (ed.),  Eye Movement Research.  Springer Nature.  ISBN 978-3-030-20083-1.  Chapter 11.  s 449 - 502
• Laeng, Bruno (2018). The "face race lightness illusion": An effect of the eyes and pupils?.
• Minami, Tetsuto & Laeng, Bruno (2018). Brightness perception while looking up or down.
• Mæhlum Walle, Kjersti; Kyler, Hillary Lynn; Nordvik, Jan Egil; Becker, Frank & Laeng, Bruno (2018). Corrigendum to "Binocular rivalry after right-hemisphere stroke: Effects of attention impairment on perceptual dominance patterns" [Brain Cogn. 117 (2017) 84–96]. Brain and Cognition.  ISSN 0278-2626.  123, s 89- 91 . doi: 10.1016/j.bandc.2018.03.001
• Sato, Fumiyaki; Laeng, Bruno; Nakauchi, Shigeki & Minami, Tetsuto (2018). Pupil dilation reflects "Viewing from above bias" in the effort to control perception.
• Suzuki, Yuta; Minami, Tetsuto; Laeng, Bruno & Nakauchi, Shigeki (2018). The differential effect of glowing appearance in the glare illusion: evidence from pupillometry.
• Tørresen, Jim & Laeng, Bruno (2018). UiO/ROBIN – Toyohashi University of Technology/Japan seminar. Show summary

  Seminar with collaborators from University of Technology, Japan: Shigeki Nakauchi <https://www.tut.ac.jp/english/schools/faculty/cs/169.html> og Tetsuto Minami <https://www.tut.ac.jp/english/schools/faculty/eiiris/573.html> and their students.

• Jo, Skaansar; Laeng, Bruno & Anne, Danielsen (2017). Pupil response reflects processing of microtiming in musical grooves: a study of musicians and non-musicians.
• Laeng, Bruno (2017). The pupil as a window to music's soul.
• Sato, Fumiyaki; Laeng, Bruno; Nakauchi, Shigeki & Minami, Tetsuto (2017). Pupil dilation during perception of the Necker cube reflects the viewing-from-above bias.
• Bochynska, Agata; Eifring, Halvor Bøyesen; Laeng, Bruno & Lobben, Marit (2015). The role of visual attention in the semantic processing of item, container and default numeral classifiers in Chinese.
• Bochynska, Agata & Laeng, Bruno (2015). Re-enactment of eye movements’ sequences facilitates retrieval of visuospatial information.
• Bochynska, Agata & Laeng, Bruno (2015). Tracking down the path of memory. Eye scanpaths facilitate retrieval of visuospatial information.
• Laeng, Bruno (2015). Blåtime. Arkitektur N.  ISSN 1504-7628.  1, s 82- 89
• Bochynska, Agata & Laeng, Bruno (2014). The Sequence Matters. An Experimental Study of the Functional Role of Eye Movements in Long-term Visuospatial Memory.
• Chelnokova, Olga V; Laeng, Bruno; Eikemo, Marie Helene; Riegels, Jeppe; Løseth, Guro; Maurud, Hedda; Willoch, Frode & Leknes, Siri (2014). Rewards of beauty: The opioid system mediates social motivation in humans. Molecular Psychiatry.  ISSN 1359-4184.  19(7), s 746- 747 . doi: 10.1038/mp.2014.1
• Benavent, S.A. de Rodez; Nygaard, Gro Owren; Tønnesen, Siren; Celius, Elisabeth Gulowsen; Landro, N. I. & Laeng, Bruno (2013). Pupillometry indicates increased cognitive effort in response to easy cognitive tasks in newly diagnosed MS patients. Multiple Sclerosis.  ISSN 1352-4585.  19(7), s 988- 989
• Chelnokova, Olga V; Laeng, Bruno; Riegels, Jeppe; Løseth, Guro Engvig; Eikemo, Marie Helene & Leknes, Siri Graff (2013). THE HUMAN OPIOID SYSTEM MEDIATES ATTENTION TO OTHERS' EYES. Journal of Cognitive Neuroscience.  ISSN 0898-929X.  s 216- 216
• Laeng, Bruno (2012). Synaesthesia and neurology. European Journal of Neurology.  ISSN 1351-5101.  19, s 820- 820
• Olsen, Bernt Ivar; Laeng, Bruno; Kristiansen, Kari-Ann & Hartvigsen, Gunnar (2011). Spatial Tasks on a Large, High-Resolution, Tiled Display: A Male Inferiority in Performance with a Mental Rotation Task.
• Specht, Karsten & Laeng, Bruno (2011). An Independent Component Analysis of fMRI data of grapheme-color synaesthesia.
• Espeseth, Thomas; van de Pavert, Steven; Jynge, Slije; Sneve, Markus Handal & Laeng, Bruno (2010). The pupil dilates as a function of attentional effort in multiple object tracking.
• Sørensen, Lin; Adolfsdottir, Steinunn; Laeng, Bruno; Lundervold, Astri & Plessen, Kerstin J. (2010). Regulation of emotion in children with ADHD - a longitudinal study. Development of an Emotional Stroop Test.
• Laeng, Bruno (2009). Processing coordinate and categorical spatial relations with different apertures of attention. Cognitive Processing.  ISSN 1612-4782.  10, s S144- S144
• Leknes, Siri Graff & Laeng, Bruno (2009). Social touch: investigating the role of oxytocin for interactions in the hedonic experience of touch and emotion. SFN Abstract Viewer/Itinerary Planner. Show summary

  Touch is a key means of interpersonal communication. The hormone oxytocin has been closely linked with affectionate touch. In this preliminary study, we investigate how altering the emotional expression and identity of visually perceived human faces may affect the hedonic experience of soft stroking touch. Conversely, the effects of social touch upon face perception are investigated. Finally, this study uses intranasal oxytocin administration (40IU) to elucidate the role of this hormone for social touch. Images of angry, neutral and happy facial expressions were chosen from the Karolinska Directed Emotional Faces database. In addition, two types of “hybrid” faces that showed anger or happiness only in the lowest spatial frequencies (1-6 cycles/image) and a neutral expression in the rest of the bandwidth (7-128 cycles/image) were used. Faces in the five emotion conditions were of the same 20 men and 20 women and were matched for luminance. Images were displayed in a pseudorandomised order for 3 sec and accompanied by touch (soft strokes of 3cm/sec to the forearm) or control stimulation (70Hz vibration presented once/sec to the dorsum of the hand). To avoid bias, the experimenter performing touch and vibration stimuli wore a silk glove and was hidden from view. The outcome measures of this double-blind, placebo-controlled within-subjects study were pupil diameter and subjective ratings of touch and face perception. Three main hypotheses were tested in this preliminary investigation. 1) Socially relevant seen emotion affects perception of social touch. 2) Pupil size reflects the pleasantness and subjective relevance of social touch. 3) Social touch and oxytocin affect perception of human face stimuli. The significance of preliminary findings was assessed with one-tailed, paired t-tests. As hypothesized, pilot data (N=9) showed an effect of socially relevant seen emotion on perception of touch pleasantness (but not touch intensity). When subjects viewed angry faces, touch pleasantness (6.0±0.4, mean±SD) was significantly lower than with neutral (6.2±0.4, p=0.033) or happy face stimuli (6.4±0.4, p=0.028). Overall, soft stroking was significantly more pleasant than the control stimulus (p=0.018) but both were equally intense (p=0.44) during oxytocin and placebo sessions (N=5). As expected, pupil size increased during pleasant, social touch relative to control stimulation (mean diameter difference 0.04±0.02 mm, p=0.032). Finally, there was a trend towards reduced ratings of perceived anger during social touch in the oxytocin session only (p=0.056; placebo session p=0.33), consistent with an anxiety-reducing effect of oxytocin and social touch.

• Olsen, Bernt Ivar; Laeng, Bruno; Kristiansen, Kari-Ann & Hartvigsen, Gunnar (2009). Spatial Tasks on a Large, High-Resolution Tiled Display: Females Mentally Rotate Large Objects Faster Than Men.
• Halvorsen, Marianne; Wang, Catharina E.; Waterloo, Knut; Eisemann, Martin; Laeng, Bruno & Verplanken, Bas (2006). Depresjon og sårbarhets-prosjektet: Kognitiv unngåelse som sårbarhetsfaktor for tilbakevendende depresjon.
• Laeng, Bruno; Specht, Karsten & Hugdahl, Kenneth (2006). A fMRI study of a grapheme-color synaesthete: The larger the color difference between ink and illusory colors, the more the visual areas are engaged.
• Laeng, Bruno; Specht, Karsten & Hugdahl, Kenneth (2006). A fMRI study of a grapheme-colour synaesthete: The larger the colour difference between ink and illusory colours, the more the visual areas are engaged.
• Postma, A & Laeng, Bruno (2006). New insights in categorical and coordinate processing of spatial relations. Neuropsychologia.  ISSN 0028-3932.  44, s 1515- 1518
• Øvervoll, Morten; Laeng, Bruno & Steinsvik, Oddmar Ole (2005). Learning 1500 pictures: memory for pictures is far from perfect, but the right hemisphere remembers better than the left.
• Flaskerud, Ingvild & Laeng, Bruno (2000). Nordens Buddha. Emanuel Swedenborg (1688-1771. Historie.  ISSN 0803-401X.  4, s 62- 70
• Flaskerud, Ingvild & Laeng, Bruno (2000). Nordens Buddha. Emanuel Swedenborg (1699-1771.

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