Jens Egeland

• Bang-Kittilsen, Gry; Engh, John; Holst, Rene; Holmen, Tom Langerud; Bigseth, Therese Torgersen & Andersen, Eivind [Vis alle 8 forfattere av denne artikkelen] (2022). High-intensity interval training may reduce depressive symptoms in individuals with schizophrenia, putatively through improved VO 2 max: A randomized controlled trial. Frontiers in Psychiatry. ISSN 1664-0640. 13, s. 1–15. doi: 10.3389/fpsyt.2022.921689.
• Wormgoor, Marjon; Indahl, Aage & Egeland, Jens (2022). The impact of comorbid spinal pain in depression on work participation and clinical remission following brief or short psychotherapy. Secondary analysis of a randomized controlled trial with two-year follow-up. PLOS ONE. ISSN 1932-6203. doi: 10.1371/journal.pone.0273216.
• Holthe, Ingvil Laberg; Rohrer-Baumgartner, Nina; Svendsen, Edel Jannecke; Hauger, Solveig Lægreid; Forslund, Marit Vindal & Borgen, Ida Maria Henriksen [Vis alle 13 forfattere av denne artikkelen] (2022). Feasibility and Acceptability of a Complex Telerehabilitation Intervention for Pediatric Acquired Brain Injury: The Child in Context Intervention (CICI). Journal of Clinical Medicine. ISSN 2077-0383. 11(9). doi: 10.3390/jcm11092564.
• Rohrer-Baumgartner, Nina; Holthe, Ingvil Laberg; Svendsen, Edel Jannecke; Røe, Cecilie; Egeland, Jens & Borgen, Ida Maria Henriksen [Vis alle 21 forfattere av denne artikkelen] (2022). Rehabilitation for children with chronic acquired brain injury in the Child in Context Intervention (CICI) study: study protocol for a randomized controlled trial. Trials. ISSN 1745-6215. 23. doi: 10.1186/s13063-022-06048-8. Fulltekst i vitenarkiv
• Egeland, Jens; Andreassen, Tor & Lund, Olaf (2021). Factor structure of the new Scandinavian WISC-V version: Support for a five-factor model. Scandinavian Journal of Psychology. ISSN 0036-5564. 63(1). doi: 10.1111/sjop.12780. Vis sammendrag

  The fifth version of Wechsler Intelligence Scale for Children is designed to measure five distinct aspects of intelligence, incorporating a new fluid reasoning index to the four indexes of the previous fourth version. Several factor analyses, however, have failed to support the fifth factor. The Scandinavian version is the only national version not showing clear superiority for the five-factor solution in the Manual. In the present study, we analyze WISC-V protocols from a clinical sample of 237 children tested with the new Scandinavian version. We perform six confirmatory factor analyses (CFA) testing three hierarchical-, two bifactor-, and one correlated candidate factor models. The study shows that the three-factor model does not fit the data, and that all four- and five-factor models showed good fit. The four-factor bifactor model was somewhat better than the five-bifactor and hierarchical models, but the correlated five-factor model was the superior model. Finding support for five-factors in a clinical sample representative of those most probable to be tested with the test, strengthen the claim that also the Scandinavian version measure a distinct fluid factor as intended by the test owners, and thus that clinicians may use the index scores as their main level of analysis. Review of previous CFAs show that the choice of statistical methods for CFA, bifactor or hierarchical/correlated, influence whether second order factor models are better than g-factor models.

• Bigseth, Therese Torgersen; Engh, John; Egeland, Jens; Andersen, Eivind; Andreassen, Ole & Bang-Kittilsen, Gry [Vis alle 15 forfattere av denne artikkelen] (2021). Exploring low grade inflammation by soluble urokinase plasminogen activator receptor levels in schizophrenia: a sex-dependent association with depressive symptoms. BMC Psychiatry. ISSN 1471-244X. 21(1), s. 1–10. doi: 10.1186/s12888-021-03522-6. Fulltekst i vitenarkiv
• Egeland, Jens (2021). Following H.N. over 21 years: recency change and reduced retention predict later impairment in memory, and recency ratio may combine both effects. Neurocase. ISSN 1355-4794. 27(2), s. 147–154. doi: 10.1080/13554794.2021.1893339.
• Bigseth, Therese Torgersen; Fredriksen, Mats; Egeland, Jens; Andersen, Eivind; Andreassen, Ole Andreas & Bang-Kittilsen, Gry [Vis alle 15 forfattere av denne artikkelen] (2021). Elevated levels of soluble urokinase plasminogen activator receptor as a low-grade inflammation marker in schizophrenia: A case-control study. Schizophrenia Research. ISSN 0920-9964. 228, s. 190–192. doi: 10.1016/j.schres.2020.11.051.
• Bang-Kittilsen, Gry; Egeland, Jens; Holmen, Tom Langerud; Bigseth, Therese Torgersen; Andersen, Eivind & Mordal, Jon [Vis alle 8 forfattere av denne artikkelen] (2020). High-intensity interval training and active video gaming improve neurocognition in schizophrenia: a randomized controlled trial. European Archives of Psychiatry and Clinical Neuroscience. ISSN 0940-1334. 271(2), s. 339–353. doi: 10.1007/s00406-020-01200-4.
• Andersen, Eivind; Bang-Kittilsen, Gry; Bigseth, Therese Torgersen; Egeland, Jens; Holmen, Tom Langerud & Martinsen, Egil Wilhelm [Vis alle 8 forfattere av denne artikkelen] (2020). Effect of high-intensity interval training on cardiorespiratory fitness, physical activity and body composition in people with schizophrenia: a randomized controlled trial. BMC Psychiatry. ISSN 1471-244X. 20, s. 1–12. doi: 10.1186/s12888-020-02827-2. Fulltekst i vitenarkiv
• Egeland, Jens & Follesø, Knut (2020). Offering Alphabet Support in the Trail Making Test: Increasing Validity for Participants With Insufficient Automatization of the Alphabet. Applied neuropsychology: Adult. ISSN 2327-9095. 29(4), s. 478–485. doi: 10.1080/23279095.2020.1774377.
• Brøndbo, Per Håkan & Egeland, Jens (2019). Måleegenskaper ved den norske versjonen av Wechsler Intelligence Scale for Children – Fifth Edition (WISC-V). PsykTestBarn. ISSN 1893-9910. 9(utg. 1), s. 1–7. doi: 10.21337/0064. Fulltekst i vitenarkiv Vis sammendrag

  Wechsler Intelligence Scale for Children – Fifth Edition (WISC-V) ble publisert i USA i 2014 og den norske versjonen kom i 2017. Norsk og internasjonal rettighetshaver er Pearson Assessment. Oversettelsesarbeidet, inkludert kulturell tilpasning, ble gjennomført av Pearson Assessment med hjelp fra klinisk ekspertise i Norge, Danmark og Sverige. WISC-V er en individuelt administrert test av intellektuelle evner hos barn og ungdom i alderen 6:0-16:11 år. Testen består av 15 deltester, ti primære og fem sekundære deltester. Testtiden er beregnet til 45–80 minutter, avhengig av antall deltester og barnets alder. Psykologer og fagpersoner med mastergrad i pedagogikk med fordypning i pedagogisk-psykologisk rådgivning eller spesialpedagogikk fra UiO er kvalifisert til å kjøpe testen. For personer med mastergrad i pedagogikk eller psykologi fra andre læresteder er det et eget sertifiseringsprogram. Søket førte til 1119 norske, respektive 1865 svenske og danske treff. Ingen av treffene var relevante. Manualens skandinaviske normering er det eneste grunnlaget for vurdering av testens psykometriske egenskaper. Normer for aldersgrupper, validitet og reliabilitet, samt gjennomsnittsskårer for barn med lett intellektuell funksjonsnedsettelse og for særlig evnerike barn, ble rapportert i manualen. Normeringsutvalget bestod av 660 barn fra 6:0 til 16:11. Resultatene ble presentert som skalerte skårer fra 1 til 19, med et gjennomsnitt på ti og et standardavvik på tre. Indeksskårer ble konstruert med et gjennomsnitt på 100, et standardavvik på 15 og et skåreintervall på 45–155, respektive 40–160. Reliabilitetskoeffisienter (indre konsistens) på deltestnivå og indeksnivå var fra gode til utmerkede. Goodness-of-fit-analyse i forbindelse med konfirmatorisk faktoranalyse ga CFI 0,97-0,98 og RMSEA 0,05 for valgt femfaktormodell. Mønsteret av interkorrelasjoner mellom deltest, prosesskår og indeks viser store likheter med resultatene fra den amerikanske standardiseringen. Korrigerte rangkorrelasjonene for FSIQ og på indeksnivå mellom WISC-V og WISC-IV er høye (0,67-0,91). Kriterierelatert validitet som predikerer både intellektuell funksjonsnedsettelse og særlige evner var dårligere enn forventet og spesielt for gruppen særlig evnerike barn. Det er behov for mer dokumentasjon av måleegenskapene i en klinisk skandinavisk kontekst. Basert på dokumentasjonen som finnes fremstår WISC-V i hovedsak som et reliabelt instrument for vurdering av evnenivå og kognitiv profil. Foreliggende data er utilstrekkelige til å vurdere hvorvidt WISC-V også er et valid instrument for vurdering av kognitiv profil. Klinisk profiltolkning bør dermed gjøres med forsiktighet.

• Holmen, Tom Langerud; Egeland, Jens; Andersen, Eivind; Mordal, Jon; Andreassen, Ole Andreas & Ueland, Thor [Vis alle 9 forfattere av denne artikkelen] (2019). The association between cardiorespiratory fitness and cognition appears neither related to current physical activity nor mediated by brain-derived neurotrophic factor in a sample of outpatients with schizophrenia. Frontiers in Psychiatry. ISSN 1664-0640. 10:785, s. 1–7. doi: 10.3389/fpsyt.2019.00785. Fulltekst i vitenarkiv Vis sammendrag

  Objective: We investigated whether levels of current physical activity (PA) contribute to the established relationship between cardiorespiratory fitness (CRF) and cognition in schizophrenia and whether brain-derived neurotrophic factor (BDNF) or its precursor proBDNF mediates this relationship. Method: Sixty-one outpatients with schizophrenia spectrum disorders participated. Neurocognition was assessed with the Wechsler Adult Intelligence Scale (WAIS) and nine subtests from the MATRICS battery comprising a neurocognitive composite score (NCS). CRF was assessed with peak oxygen uptake (VO2peak) measured directly during a maximum exercise test. Current PA levels were objectively assessed by an accelerometer worn for four consecutive days. BDNF and proBDNF were measured in fasting blood. Four serial parallel mediation analyses and two additional parallel mediation analyses were conducted, while controlling for age and sex at all levels. Results: No direct effects were found between PA measures and WAIS or NCS. No significant mediating effects of CRF or BDNF/proBDNF were detected. Conclusion: The results do not support the hypothesis that PA contributes to the naturally occurring relationship between CRF and cognition in schizophrenia or the hypothesis that BDNF or proBDNF mediates this relationship. The results arguably support the assumption that the association between CRF and cognition in schizophrenia is established developmentally early.

• Walderhaug, Eirik Paulsen; Gjestad, Rolf; Egeland, Jens; Havik, Odd E. & Nordgreen, Tine (2019). Relationships between depressive symptoms and panic disorder symptoms during guided internet-delivered cognitive behavior therapy for panic disorder. Nordic Journal of Psychiatry. ISSN 0803-9488. 73(7). doi: 10.1080/08039488.2019.1646803. Fulltekst i vitenarkiv
• Wormgoor, Marjon; Indahl, Aage; Andersen, Eivind & Egeland, Jens (2019). Effectiveness of Briefer Coping-Focused Psychotherapy for Common Mental Complaints on Work-Participation and Mental Health: A Pragmatic Randomized Trial with 2-Year Follow-Up. Journal of occupational rehabilitation. ISSN 1053-0487. 30(1), s. 22–39. doi: 10.1007/s10926-019-09841-6. Fulltekst i vitenarkiv
• Engh, John; Egeland, Jens; Andreassen, Ole Andreas; Bang-Kittilsen, Gry; Bigseth, Therese Torgersen & Holmen, Tom Langerud [Vis alle 9 forfattere av denne artikkelen] (2019). Objectively Assessed Daily Steps—Not Light Intensity Physical Activity, Moderate-to-Vigorous Physical Activity and Sedentary Time—Is Associated With Cardiorespiratory Fitness in Patients With Schizophrenia. Frontiers in Psychiatry. ISSN 1664-0640. 10. doi: 10.3389/fpsyt.2019.00082. Fulltekst i vitenarkiv
• Fredriksen, Mats; Egeland, Jens; Haavik, Jan & Fasmer, Ole Bernt (2019). Individual Variability in Reaction Time and Prediction of Clinical Response to Methylphenidate in Adult ADHD: A Prospective Open Label Study Using Conners’ Continuous Performance Test II. Journal of Attention Disorders. ISSN 1087-0547. 25(5), s. 657–671. doi: 10.1177/1087054719829822. Fulltekst i vitenarkiv
• Egeland, Jens (2019). Emotion Perception in Members of Norwegian Mensa. Frontiers in Psychology. ISSN 1664-1078. 10. doi: 10.3389/fpsyg.2019.00027. Fulltekst i vitenarkiv
• Egeland, Jens; Holmen, Tom Langerud; Bang-Kittilsen, Gry; Bigseth, Therese Torgersen; Vaskinn, Anja & Engh, John (2019). Body language reading of emotion and outcome in schizophrenia. Cognitive Neuropsychiatry. ISSN 1354-6805. 24(1), s. 54–64. doi: 10.1080/13546805.2019.1568234. Fulltekst i vitenarkiv
• Matre, Martin Engen; Løvstad, Marianne; Egeland, Jens; Hessen, Erik & Schanke, Anne-Kristine (2018). Historiske røtter, fagets utvikling og veien videre – en samtale mellom pionerer i norsk nevropsykologi. Nevropsykologi : Medlemsblad for Norsk Nevropsykologisk Forening. ISSN 1500-8347. 1, s. 4–12.
• Holmen, Tom Langerud; Engh, John; Andersen, Eivind; Andreassen, Ole Andreas; Martinsen, Egil Wilhelm & Bigseth, Therese Torgersen [Vis alle 8 forfattere av denne artikkelen] (2018). Cardio-respiratory fitness is associated with a verbal factor across cognitive domains in schizophrenia. Schizophrenia Research. ISSN 0920-9964. doi: 10.1016/j.schres.2018.11.033. Fulltekst i vitenarkiv
• Skogan, Annette Holth; Ørbeck, Beate; Christiansen, Cathrine; Lande, Hilde Lillian & Egeland, Jens (2018). Updated developmental norms for fine motor functions as measured by finger tapping speed and the Grooved Pegboard Test. Developmental Neuropsychology. ISSN 8756-5641. 43(7), s. 551–565. doi: 10.1080/87565641.2018.1495724.
• Ness, Elisabeth; Dahl, Hanne-Sofie Johnsen ; Tallberg, Björn Peter Urban; Amlo, Svein; Høglend, Per Andreas & Thorén, Agnetha [Vis alle 8 forfattere av denne artikkelen] (2018). Assessment of dynamic change in psychotherapy with asdolescents. Child and Adolescent Psychiatry and Mental Health (CAPMH). ISSN 1753-2000. 12:39, s. 1–11. doi: 10.1186/s13034-018-0246-z.
• Andersen, Eivind; Holmen, Tom Langerud; Egeland, Jens; Martinsen, Egil Wilhelm; Bigseth, Therese Torgersen & Bang-Kittilsen, Gry [Vis alle 9 forfattere av denne artikkelen] (2018). Physical activity pattern and cardiorespiratory fitness in individuals with schizophrenia compared with a population-based sample. Schizophrenia Research. ISSN 0920-9964. doi: 10.1016/j.schres.2018.05.038. Fulltekst i vitenarkiv Vis sammendrag

  Objective: Thorough description of objectively assessed physical activity (PA) and sedentary time in people with schizophrenia is lacking, and previous studies comparing PA and cardiorespiratory fitness levels with healthy controls are limited by their small sample size and/or poor methodology. Method: PA, sedentary behavior, and cardiorespiratory fitness level were assessed in 67 adults diagnosed with schizophrenia (EPHAPS study) and compared with a population-based sample of 2809 adults (NPASS study). Results: Fifty-five percent of the participants with schizophrenia had the unhealthy combination of not meeting the PA recommendations and sitting >7.5 h per day compared to 32% in the population-based sample. The PA level was especially low on weekday afternoons and evenings and throughout most of the day on weekends. The peak oxygen uptake for EPHAPS women was on average 23% lower than that for NPASS women, while EPHAPS men achieved on average 34% lower oxygen uptake on the exercise test compared with NPASS men. Conclusion: People with schizophrenia are significantly less physically active, more sedentary, and have a poorer cardiorespiratory fitness level compared with the general population. Tailor-made PA interventions for people with schizophrenia should target their PA and sedentary behavior on afternoons and weekends especially.

• Egeland, Jens; Holmen, Tom Langerud; Bang-Kittilsen, Gry; Bigseth, Therese Torgersen & Engh, John (2018). Category fluency in schizophrenia: opposing effects of negative and positive symptoms? Cognitive Neuropsychiatry. ISSN 1354-6805. 23(1), s. 28–42. doi: 10.1080/13546805.2017.1418306.
• Holmen, Tom Langerud; Egeland, Jens; Andersen, Eivind; Bigseth, Therese Torgersen & Engh, John (2018). The association between cardio-respiratory fitness and cognition in schizophrenia. Schizophrenia Research. ISSN 0920-9964. 193, s. 418–422. doi: 10.1016/j.schres.2017.07.015. Vis sammendrag

  Objective: Schizophrenia is associated with reduced cardio-respiratory fitness (CRF), and impaired cognition is a core feature of the disorder. Despite their particular significance to schizophrenia disparately, the relationship between these two variables has not yet been thoroughly assessed. In this study we aimed to investigate naturally occurring associations between CRF and all cognitive domains within this patient population. Method: Eighty outpatients with schizophrenia spectrum disorders participated in the study. Neurocognition was assessed with the Wechsler Adult Intelligence Scale version 4 General Ability Index (WAIS GAI) and the MATRICS Consensus Cognitive Battery (MCCB). Oxygen uptake was measured directly by analyzing O2 and CO2 content in expired air during a maximum exercise session on a treadmill using a modified Balke protocol. Clinical symptom load was assessed with the Positive and Negative Syndrome Scale (PANSS). Hierarchical multiple regression analyses were conducted, controlling for sex and age, and negative psychotic symptom levels. Results: CRF explained a significant 8.2% and 9.1% of the variance in general intellectual ability and state-sensitive cognitive functioning respectively, beyond the impact of negative psychotic symptom load. Conclusion: The study indicates a direct relation between CRF and cognition in schizophrenia. Impaired cognition is a difficult-to-treat expression of the disorder, and identifying modifiable factors possibly mediating cognition, such as CRF, is of great clinical value.

• Evers, Arne; McCormick, Carina M; Hawley, Leslie R; Muniz, Jose; Balboni, Giulia & Bartram, Dave [Vis alle 33 forfattere av denne artikkelen] (2017). Testing Practices and Attitudes Toward Tests and Testing: An International Survey. International Journal of Testing. ISSN 1530-5058. 17(2), s. 158–190. doi: 10.1080/15305058.2016.1216434.
• Skule, Cecilie; Ulleberg, Pål; Berge, Torkil; Lending, Hilde Dallavara; Egeland, Jens & Landrø, Nils Inge (2017). Interventions for Subjects with Depressive Symptoms with or without Unhealthy Alcohol Use: Are There Different Patterns of Change? Frontiers in Psychology. ISSN 1664-1078. 8(MAY). doi: 10.3389/fpsyg.2017.00788.
• Norup, Anne; Egeland, Jens; Løvstad, Marianne; Nybo, Taina; Persson, Bengt A. & Rivera, Diego Fernando [Vis alle 9 forfattere av denne artikkelen] (2017). Education, training, and practice among nordic neuropsychologists. Results from a professional practices survey. The Clinical Neuropsychologist. ISSN 1385-4046. 31, s. 20–41. doi: 10.1080/13854046.2017.1291857.
• Egeland, Jens; Løvstad, Marianne; Norup, Anne; Nybo, Taina; Persson, Bengt A. & Rivera, Diego Fernando [Vis alle 9 forfattere av denne artikkelen] (2017). Questionnaire Use Among Nordic Neuropsychologists: Shift From Assessing Personality to Checking Ecological Validity of Neuropsychological Assessments? Professional Psychology: Research and Practice. ISSN 0735-7028. 48(4), s. 227–235. doi: 10.1037/pro0000119.
• Skule, Cecilie; Berge, Torkil; Eilertsen, Espen Moen; Ulleberg, Pål; Lending, Hilde Dallavara & Egeland, Jens [Vis alle 7 forfattere av denne artikkelen] (2017). Levels of alcohol use and depression severity as predictors of missed therapy sessions in cognitive behavioral psycho-educational group treatment for depression. Addiction Research and Theory. ISSN 1606-6359. 25(1), s. 11–16. doi: 10.3109/16066359.2016.1173683.
• Hovik, Kjell Tore; Egeland, Jens; Isguith,, Peter K.; Gioia, G; Skogli, Erik Winther & Andersen, Per Normann [Vis alle 7 forfattere av denne artikkelen] (2017). Distinct Patterns of Everyday Executive Function Problems Distinguish Children With Tourette Syndrome From Children With ADHD or Autism Spectrum Disorders. Journal of Attention Disorders. ISSN 1087-0547. 21(10), s. 811–823. doi: 10.1177/1087054714550336. Fulltekst i vitenarkiv Vis sammendrag

  Objective: The aim is to investigate the everyday executive function (EF) in children with Tourette syndrome (TS), Inattentive or Combined presentations of ADHD (ADHD-I/ADHD-C), autism spectrum disorders (ASD), and typically developing children (TDC). Method: Nineteen TS, 33 ADHD-C, 43 ADHD-I, 34 ASD, and 50 TDC participated (8-17 years). Parents completed the Behavior Rating Inventory of Executive Function (BRIEF). Results: TS, ADHD-C, ADHD-I, or ASD were rated with significantly more regulation problems on all scales compared with TDC. Considerable overlap of symptoms between clinical groups made differentiation difficult on individual scales. Scale configurations showed children with TS to have more problems with emotional control (EC) than cognitive flexibility in relation to children with ASD, more problems with EC than inhibitory control in relation to ADHD-C, and more problems with EC than planning/organizing in relation to ADHD-I. Conclusion: Paired BRIEF scales dissociated EF problems in children with TS from children with ADHD-C, ADHD-I, or ASD. Clinical relevance is discussed.

• Egeland, Jens; Løvstad, Marianne; Norup, Anne; Nybo, Taina; Persson, Bengt A. & Rivera, Diego Fernando [Vis alle 9 forfattere av denne artikkelen] (2016). Following international trends while subject to past traditions: neuropsychological test use in the Nordic countries. The Clinical Neuropsychologist. ISSN 1385-4046. 30, s. 1479–1500. doi: 10.1080/13854046.2016.1237675.
• Skogan, Annette Holth; Øvergaard, Kristin Romvig; Baumgartner, Nina; Urnes, Anne-Margrethe; Ørbeck, Beate & Aase, Heidi [Vis alle 9 forfattere av denne artikkelen] (2016). Eksekutiv funksjon i tidlig førskolealder-funn fra den norske ADHD-studien. Nevropsykologi : Medlemsblad for Norsk Nevropsykologisk Forening. ISSN 1500-8347. 18(1), s. 4–13.
• Holth Skogan, Annette; Egeland, Jens; Zeiner, Pål; Øvergaard, Kristin Romvig; Ørbeck, Beate & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2016). Factor structure of the Behavior Rating Inventory of Executive Functions (BRIEF-P) at age three years. Child Neuropsychology: A Journal of Normal and Abnormal Development in Childhood and Adolescence. ISSN 0929-7049. 22(4), s. 472–492. doi: 10.1080/09297049.2014.992401. Vis sammendrag

  The preschool period is an important developmental period for the emergence of cognitive self-regulatory skills or executive functions (EF). To date, evidence regarding the structure of EF in preschool children has supported both unitary and multicomponentmodels. The aimof the present study was to test the factor structure of early EF as measured by the Behavior Rating Inventory of Executive Function-Preschool version (BRIEF-P). BRIEF-P consists of five subscales and three broader indexes, hypothesized to tap into different subcomponents of EF. Parent ratings of EF from a nonreferred sample of children recruited from the Norwegian Mother and Child Cohort Study (N = 1134; age range 37–47 months) were subjected to confirmatory factor analyses (CFA). Three theoretically derived models were assessed; the secondorder three-factor model originally proposed by the BRIEF-P authors, a “true” first-order one-factor model and a second-order one-factor model. CFA fit statistics supported the original three-factor solution. However, the difference in fit was marginal between this model and the second-order one-factor model. A follow-up exploratory factor analysis (EFA) supported the existence of several factors underlying EF in early preschool years, with a considerable overlap with the five BRIEF-P subscales. Our results suggest that some differentiation in EF has taken place at age 3 years, which is reflected in behavior ratings. The internal consistency of the BRIEF-P five clinical subscales is supported. Subscale interrelations may, however, differ at this age from those observed in the preschool group as a whole. Keywords: Executive function; BRIEF-P; Preschool; Factor analysis; Development.

• Normann, Eivind; Johansen, Merete Selsbakk; Normann-Eide, Tone; Egeland, Jens & Wilberg, Theresa (2015). Personality Disorder and Changes in Affect Consciousness: A 3-Year Follow-Up Study of Patients with Avoidant and Borderline Personality Disorder. PLOS ONE. ISSN 1932-6203. 10(12). doi: 10.1371/journal.pone.0145625.
• Engh, John; Andersen, Eivind; Holmen, Tom Langerud; Martinsen, Egil Wilhelm; Mordal, Jon & Morken, Gunnar [Vis alle 7 forfattere av denne artikkelen] (2015). Effects of high-intensity aerobic exercise on psychotic symptoms and neurocognition in outpatients with schizophrenia: study protocol for a randomized controlled trial. Trials. ISSN 1745-6215. 16(557). doi: 10.1186/s13063-015-1094-2. Fulltekst i vitenarkiv
• Eikenæs, Ingeborg Helene; Egeland, Jens; Hummelen, Benjamin & Wilberg, Theresa (2015). Avoidant personality disorder versus social phobia: The significance of childhood neglect. PLOS ONE. ISSN 1932-6203. 10(3). doi: 10.1371/journal.pone.0122846.
• Egeland, Jens (2015). Measuring Working Memory With Digit Span and the Letter-Number Sequencing Subtests From the WAIS-IV: Too Low Manipulation Load and Risk for Underestimating Modality Effects. Applied neuropsychology: Adult. ISSN 2327-9095. 22(6), s. 445–451. doi: 10.1080/23279095.2014.992069.
• Skogen, Annette; Zeiner, Pål; Egeland, Jens; Urnes, Anne-Margrethe; Reichborn-Kjennerud, Ted & Aase, Heidi (2015). Parent ratings of executive function in young preschool children with symptoms of attention-deficit/-hyperactivity disorder. Behavioral and Brain Functions. ISSN 1744-9081. 11. doi: 10.1186/s12993-015-0060-1. Fulltekst i vitenarkiv Vis sammendrag

  Annette Skogen heter egentlig Annette Skogan men hun er feilregistrert i navne databasen og den er vanskelig å endre i cristin når en person er registrert med P-nummer. 15.02.16 Ørjan Berg Anne-Margrethe Urnes er det fulle navnet til Anne-Grethe Urnes. Får ikke endret navn. 17.02.16 Ingvild Follestad

• Andersen, Per Normann; Skogli, Erik Winther; Hovik, Kjell Tore; Egeland, Jens & Øie, Merete Glenne (2015). Associations among symptoms of autism, symptoms of depression and executive functions in children with High-Functioning Autism; a two year follow-up study. Journal of Autism and Developmental Disorders. ISSN 0162-3257. 45(8), s. 2497–2507. doi: 10.1007/s10803-015-2415-8.
• Solli, Hans Magnus; Barbosa da Silva, Antonio & Egeland, Jens (2015). Usefulness of an ability-based health model in work ability assessments provided by psychiatrists and psychology specialists writing social security certificates. Disability and Rehabilitation. ISSN 0963-8288. 37(7), s. 571–578. doi: 10.3109/09638288.2014.935491.
• Andersen, Per Normann; Skogli, Erik Winther; Hovik, Kjell Tore; Geurts, Hilde; Egeland, Jens & Øie, Merete Glenne (2015). Working memory arrest in children with high-functioning autism compared to children with attention-deficit/hyperactivity disorder: Results from a 2-year longitudinal study. Autism. ISSN 1362-3613. 19(4), s. 443–450. doi: 10.1177/1362361314524844. Vis sammendrag

  The aim of this study was to analyse the development of verbal working memory in children with high-functioning autism compared to children with attention-deficit/hyperactivity disorder and typically developing children. A total of 34 children with high-functioning autism, 72 children with attention-deficit/hyperactivity disorder and 45 typically developing children (age 9–16 years) were included at baseline and followed up approximately 25 months later. The children were given a letter/number sequencing task to assess verbal working memory. The performance of children with high-functioning autism on verbal working memory did not improve after 2 years, while improvement was observed in children with attention-deficit/hyperactivity disorder and typically developing children. The results indicate a different developmental trajectory for verbal working memory in children with high-functioning autism compared to children with attention-deficit/hyperactivity disorder and typically developing children. More research is needed to construct a developmental framework more suitable for children with autism spectrum disorder.

• Egeland, Jens (2014). Klinisk utprøving av WAIS-IV : bleddanalyser, stopp-kriterier og arbeidsminnemåling. Tidsskrift for Norsk Psykologforening. ISSN 0332-6470. 51(11), s. 911–919.
• Egeland, Jens; Andersson, Stein; Sundseth, Øyvind Østberg & Schanke, Anne-Kristine (2014). Types or Modes of Malingering? A Confirmatory Factor Analysis of Performance and Symptom Validity Tests. Applied Neuropsychology. ISSN 0908-4282. Oct 2, s. 1–12. doi: 10.1080/23279095.2014.910212.
• Udal, Anne Beate Helseth; Egeland, Jens; Øygarden, Bjørg; Malt, Ulrik Fredrik; Løvdahl, Hans & Pripp, Are Hugo [Vis alle 7 forfattere av denne artikkelen] (2014). Differentiating between comorbidity and symptom overlap in ADHD and early onset bipolar disorder. Developmental Neuropsychology. ISSN 8756-5641. 39(4), s. 249–261. doi: 10.1080/87565641.2014.886692.
• Rohrer-Baumgartner, Nina; Zeiner, Pål; Egeland, Jens; Gustavson, Kristin; Skogen, Annette & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2014). Does IQ influence Associations between ADHD Symptoms and other Cognitive Functions in young Preschoolers? Behavioral and Brain Functions. ISSN 1744-9081. 10(1). doi: 10.1186/1744-9081-10-16. Fulltekst i vitenarkiv
• Skule, Anne Cecilie; Lending, Hilde Dallavara; Ulleberg, Pål; Berge, Torkil; Egeland, Jens & Landrø, Nils Inge (2014). Alcohol use is not directly related to the perceived control of depressive symptoms in patients with depressive symptoms. Frontiers in Psychiatry. ISSN 1664-0640. 5. doi: 10.3389/fpsyt.2014.00031.
• Skule, Anne Cecilie; Ulleberg, Pål; Lending, Hilde Dallavara; Berge, Torkil; Egeland, Jens & Brennen, Tim [Vis alle 7 forfattere av denne artikkelen] (2014). Depressive Symptoms in People with and without Alcohol Abuse: Factor Structure and Measurement Invariance of the Beck Depression Inventory (BDI-II) Across Groups. PLOS ONE. ISSN 1932-6203. 9(2). doi: 10.1371/journal.pone.0088321. Vis sammendrag

  This study explored differences in the factor structure of depressive symptoms in patients with and without alcohol abuse, and differences in the severity of depressive symptoms between the two groups. In a sample of 358 patients without alcohol problems and 167 patients with comorbid alcohol problems, confirmatory factor analysis revealed that the same factor structures, Beck et al.’s two-factor Somatic Affective-Cognitive (SA-C) model, and Buckley et al.’s three-factor Cognitive-Affective- Somatic (C-A-S) model, demonstrated the best fit to the data in both groups. The SA-C model was preferred due to its more parsimonious nature. Evidence for strict measurement invariance across the two groups for the SA-C model was found. MIMIC (multiple-indicator-multiple-cause) modeling showed that the level of depressive symptoms was found to be highest on both factors in the group with comorbid alcohol problems. The magnitude of the differences in latent mean scores suggested a moderate difference in the level of depressive symptoms between the two groups. It is argued that patients with comorbid depression and alcohol abuse should be offered parallel and adequate treatment for both conditions.

• Skogen, Annette; Zeiner, Pål; Egeland, Jens; Baumgartner, Nina Marit; Urnes, Anne-Margrethe & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2014). Inhibition and working memory in young preschool children with symptoms of ADHD and/or oppositional-defiant disorder. Child Neuropsychology: A Journal of Normal and Abnormal Development in Childhood and Adolescence. ISSN 0929-7049. 20(5), s. 607–624. doi: 10.1080/09297049.2013.838213.
• Skogli, Erik Winther; Egeland, Jens; Andersen, Per Normann; Hovik, Kjell Tore & Øie, Merete Glenne (2013). Few differences in hot and cold executive functions in children and adolescents with combined and inattentive subtypes of ADHD. Child Neuropsychology: A Journal of Normal and Abnormal Development in Childhood and Adolescence. ISSN 0929-7049. 20(1), s. 38–48. doi: 10.1080/09297049.2012.753998.
• Andersen, Per Normann; Egeland, Jens & Øie, Merete Glenne (2013). Learning and memory impairments in children and adolescents with attention Deficit/Hyperactivity disorder. Journal of Learning Disabilities. ISSN 0022-2194. 46(5), s. 453–460. doi: 10.1177/0022219412437040.
• Normann, Eivind; Johansen, Merete Selsbakk; Normann-Eide, Tone; Egeland, Jens & Wilberg, Theresa (2013). Is low affect consciousness related to the severity of psychopathology? A cross-sectional study of patients with avoidant and borderline personality disorder. Comprehensive Psychiatry. ISSN 0010-440X. 54(2), s. 149–157. doi: 10.1016/j.comppsych.2012.07.003.
• Baumgartner, Nina; Zeiner, Pål; Eadie, Patricia; Egeland, Jens; Gustavson, Kristin & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2013). Language delay in 3-year-old children with ADHD symptoms. Journal of Attention Disorders. ISSN 1087-0547. 20(10), s. 867–878. doi: 10.1177/1087054713497253.
• Aarlien, Anne-Kristine; Saunes, Brit & Egeland, Jens (2013). Arbeidsminnetrening - overføringseffekt til matematikk og leseferdigheter for barn med ADHD. Spesialpedagogikk. ISSN 0332-8457. s. 40–54.
• Hovik, Kjell Tore; Saunes, Brit ; Aarlien, Anne-Kristine & Egeland, Jens (2013). RCT of working memory training in ADHD: long-term near-transfer effects. PLOS ONE. ISSN 1932-6203. 8(12:80561). doi: 10.1371/journal.pone.0080561.
• Egeland, Jens; Aarlien, Anne-Kristine & Saunes, Brit (2013). Few Effects of Far Transfer of Working Memory Training in ADHD: A Randomized Controlled Trial. PLOS ONE. ISSN 1932-6203. 8(10). doi: 10.1371/journal.pone.0075660.
• Baumgartner, Nina; Zeiner, Pål; Eadie, Patricia; Egeland, Jens; Gustavson, Kristin Brun & Reichborn-Kjennerud, Ted [Vis alle 7 forfattere av denne artikkelen] (2013). Language Delay in 3-Year-Old Children With ADHD Symptoms. Journal of Attention Disorders. ISSN 1087-0547. doi: 10.1177/1087054713497253.
• Andersen, Per Normann; Hovik, Kjell Tore; Skogli, Erik Winther; Egeland, Jens & Øie, Merete Glenne (2013). Symptoms of ADHD in children with high-functioning autism are related to impaired verbal working memory and verbal delayed recall. PLOS ONE. ISSN 1932-6203. 8(5:e64842). doi: 10.1371/journal.pone.0064842.
• Udal, Anne Beate Helseth; Øygarden, Bjørg; Egeland, Jens; Malt, Ulrik Fredrik; Løvdahl, Hans & Pripp, Are Hugo [Vis alle 7 forfattere av denne artikkelen] (2012). Executive deficits in early onset bipolar disorder versus ADHD : Impact of processing speed and lifetime psychosis. Clinical Child Psychology and Psychiatry. ISSN 1359-1045. doi: 10.1177/1359104512455181.
• Udal, Anne Beate Helseth; Øygarden, Bjørg; Egeland, Jens; Malt, Ulrik Fredrik & Grøholt, Berit (2012). Memory in early onset bipolar disorder and attention-deficit/hyperactivity disorder: similarities and differences. Journal of Abnormal Child Psychology. ISSN 0091-0627. 40(7), s. 1179–1192. doi: 10.1007/s10802-012-9631-x.
• Vaskinn, Anja & Egeland, Jens (2012). Testbruksundersøkelsen: En oversikt over tester brukt av norske psykologer. (An overview of tests used by Norwegian psychologists). Tidsskrift for Norsk Psykologforening. ISSN 0332-6470. 49(7), s. 658 –665.
• Egeland, Jens (2012). Cutting corners: Neuropsychological Research into the Energetics of ADHD. I Norvilitis, Jill M. (Red.), Contemporary Trends in ADHD research. IntechOpen. ISSN 978-953-307-858-8. s. 69–84. doi: 10.5772/30006.
• Vaskinn, Anja & Egeland, Jens (2012). Testbruksundersøkelsen: En oversikt over tester brukt av norske psykologer. Tidsskrift for Norsk Psykologforening. ISSN 0332-6470. 49(7), s. 658-–665.
• Sjåstad, Hege Nordem; Gråwe, Rolf W. & Egeland, Jens (2012). Affective Disorders among Patients with Borderline Personality Disorder. PLOS ONE. ISSN 1932-6203. 7(12). doi: 10.1371/journal.pone.0050930.
• Evers, Arne; Muniz, Jose; Bartram, Dave; Boben, Duscia; Egeland, Jens & Fernandez-Hermida, José R. [Vis alle 18 forfattere av denne artikkelen] (2012). Testing practices in the 21st century: Developments and European psychologists' opinions. European Psychologist. ISSN 1016-9040. 17(4), s. 300–19. doi: 10.1027/1016-9040/a000102.
• Egeland, Jens & Landrø, Nils Inge (2011). Hukommelsesforstyrrelser ved schizofreni. I Rund, Bjørn Rishovd (Red.), Schizofreni. Hertervig Akademisk. ISSN 9788282170222. s. 118–135.
• Fallmyr, Øyvind & Egeland, Jens (2011). Psykometriske egenskaper for den norske versjonen av Behavior Inventory of Executive Function (BRIEF) :. Tidsskrift for Norsk Psykologforening. ISSN 0332-6470. 48(4), s. 339–343.
• Egeland, Jens; Johansen, Susanne Nordby & Ueland, Toril (2011). Central processing energetic factors mediate impaired motor control in ADHD combined subtype but not in ADHD inattentive subtype. Journal of Learning Disabilities. ISSN 0022-2194. 45(4), s. 361–370. doi: 10.1177/0022219411407922. Vis sammendrag

  Subjects with ADHD are often impaired in visuo-motor tasks. However, little is known about the contribution of modal impairment in motor function relative to central processing deficits or whether different processes underlie the impairment in ADHD combined (ADHD-C) versus ADHD inattentive (ADHD-I) subtype. The present study analyzes performance on the Visual Motor Integration test relative to less effortful motor tests as well as on measures of Energetics. Results: Both ADHD groups showed evidence of impaired motor function on both VMI and the less effortful motor tests. The ADHD-C group performed below the ADHD-I group on VMI, but their performance correlated highly with the measures of the Energetic pools of Arousal and Effort. Conclusion: Different mechanisms may underlie impaired fine motor skills in ADHD. Central processing deficits contribute significantly to the deficit of ADHD-C but do not explain the motor impairment in ADHD-I.

• Egeland, Jens & Kowalik-Gran, Iwona (2010). Measuring several aspects of attention in one test: The factorstructure of Conner' continuous Performance Test. Journal of Attention Disorders. ISSN 1087-0547. 13, s. 339–347.
• Egeland, Jens & Kowalik-Gran, Iwona (2010). Validity of the factor structure of Conners' CPT. Journal of Attention Disorders. ISSN 1087-0547. 13, s. 347–357.
• Egeland, Jens (2010). Frequency of attention deficit in first episode schizophrenia compared to ADHD. Applied Neuropsychology. ISSN 0908-4282. 17, s. 125–134.
• Egeland, Jens; Johansen, Susanne Nordby & Ueland, Toril (2010). Do low effort learning strategies mediate impaired memory in ADHD? Journal of Learning Disabilities. ISSN 0022-2194. 43.
• Egeland, Jens & Fallmyr, Øyvind (2010). • Egeland, J. & Fallmyr, Ø. (2010). Confirmatory Factor Analysis of the Behavior Rating Inventory of Executive Function (BRIEF): Support for a distinction between Emotional and Behavioral Regulation. Child Neuropsychology: A Journal of Normal and Abnormal Development in Childhood and Adolescence. ISSN 0929-7049. 16, s. 326–337.
• Egeland, Jens & Ueland, Toril (2010). Schizofreni. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 231–246.
• Egeland, Jens (2010). Undersøkelse av oppmerksomhet med vekt på CPT. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 177–192.
• Egeland, Jens (2010). Bruk av WAIS-III og WASI i nevropsykologiske undersøkelser. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 143–156.
• Egeland, Jens (2010). Testbruk i Norge. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 51–64.
• Egeland, Jens & Sundet, Kjetil Søren (2010). Fra kvalitativ til kvantitativ prosesstilnærming. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 33–50.
• Vaskinn, Anja; Egeland, Jens; Nielsen, Geir Høstmark & Høstmælingen, Andreas (2010). Norske psykologers bruk av tester :. Tidsskrift for Norsk Psykologforening. ISSN 0332-6470. 47(11), s. 1010–1016.

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• Hestad, Knut & Egeland, Jens (2010). Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISBN 9788251924672.

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• Rohrer-Baumgartner, Nina; Holthe, Ingvil Laberg; Svendsen, Edel Jannecke; Strand-Saugnes, Anine; Røe, Cecilie & Wade, Shari L. [Vis alle 13 forfattere av denne artikkelen] (2021). The Child in Context Intervention (CICI) Study: Protocol for a randomized controlled trial evaluating the effectiveness of a goal oriented and individualized rehabilitation for children with chronic acquired brain injury.
• Bang-Kittilsen, Gry; Egeland, Jens; Holmen, Tom Langerud; Andersen, Eivind; Ulleberg, Pål & Bigseth, Therese Torgersen [Vis alle 8 forfattere av denne artikkelen] (2020). Shared and differential neurocognitive effects comparing high-intensity interval training and active video-gaming in schizophrenia - results from an rct. Schizophrenia Bulletin. ISSN 0586-7614. 46, s. S9–S9.
• Egeland, Jens (2019). Response: Commentary: Emotion Perception in Members of Norwegian Mensa. Frontiers in Psychology. ISSN 1664-1078. doi: 10.3389/fpsyg.2019.02337.
• Rohrer-Baumgartner, Nina; Zeiner, Pål; Egeland, Jens; Skogan, Annette Holth; Zahl, Per-Henrik & Urnes, Anne-Grethe [Vis alle 8 forfattere av denne artikkelen] (2016). Gender differences in associations between expressive language skills, verbal IQ, and ADHD symptoms in young preschoolers.
• Hovik, Kjell Tore; Egeland, Jens; Isquith, Peter; Gioia, Gerard; Skogli, Erik Winther & Andersen, Per Normann [Vis alle 7 forfattere av denne artikkelen] (2014). Distinct Patterns of Executive Dysregulation Distinguish Children with Tourette’s from Children with ADHD or Autism Spectrum Disorders .
• Andersen, Per Normann; Hovik, Kjell Tore; Skogli, Erik Winther; Geurts, hilde; Egeland, Jens & Øie, Merete Glenne (2013). Working memory arrest in children with high-functioning autism compared to children with ADHD; Results from a two-year longitudinal study.
• Solli, Hans Magnus; Barbosa da Silva, Antonio & Egeland, Jens (2013). The need for a holistic model of functioning in WHO's International Classification of Functioning, Disability and Health: ICF.
• Egeland, Jens; Aarlien, Anne-Kristine & Saunes, Brit (2012). Both sides now: Transfer effect of Working Memory Training. Vis sammendrag

  Studies have shown that children with ADHD profit from Working Memory training, although few studies have investigated transfer effects comprehensively. The present study analyzes transfer both to other neuropsychological domains, academic performance and daily life functioning at home and school. Seventy-two children with ADHD were randomized into a control group or a training group completing Cogmed’s RoboMemo program. They were assessed pre-training, immediately after and eight months later with a battery of neuropsychological tests, measures of mathematical and reading skills as well as rating scales filled out by parents and teachers. There were significant training effects in psychomotor speed, and to one of several measures of controlled attention but no effect on memory. Reading and mathematics were improved. Inattention-ratings at home were differentially reduced in the training group, but more detailed mapping of executive function by BRIEF, did not show improvement. There was no improvement in teacher ratings. Generally, improvements attained immediately post training also remained eight months later. The study is the most comprehensive study of transfer effects to date, and with mixed results compared to previous research. More research is needed as to how improve the training program and regarding conditions and thresholds for successful training.

• Aarlien, Anne-Kristine; Saunes, Brit & Egeland, Jens (2012). Working memory training: Transfer effects to math and reading abilities for ADHD preadolescents (10-12 years).
• Egeland, Jens; Saunes, Brit & Aarlien, Anne-Kristine (2012). Successful Working Memory Training: Initially inattentive but not hyperactive, or merely regressing to the mean?
• Andersen, Per Normann; Hovik, Kjell Tore; Skogli, Erik Winther; Egeland, Jens & Øie, Merete Glenne (2012). Stronger association between working memory and learning in Aspergers syndromet han in ADHD.
• Holth-Skogan, Annette; Aase, Heidi; Zeiner, Pål; Rohrer-Baumgartner, Nina Marit; Egeland, Jens & Urnes, Anne-Grethe (2011). Working memory and ADHD symptoms in young preschool children.
• Rohrer-Baumgartner, Nina Marit; Aase, Heidi; Zeiner, Pål; Holth-Skogan, Annette; Egeland, Jens & Urnes, Anne-Grethe (2011). Language Skills, ADHD Symptoms and other Psychiatric Symptoms in Preschool Children.
• Andersen, Per Normann; Egeland, Jens & Øie, Merete Glenne (2011). Learning and memory impairment exceeding the effect of IQ in Children and Adolescents with ADHD.
• Hestad, Knut; Egeland, Jens & Lund, Christian (2010). Nevropsykologiske forandringer ved hjerneslag. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 353–376.
• Egeland, Jens; Hestad, Knut & Bylsma, Frederic (2010). Hukommelse. I Hestad, Knut & Egeland, Jens (Red.), Klinisk nevropsykologi. Undersøkelse av voksne pasienter. Tapir Akademisk Forlag. ISSN 9788251924672. s. 193–214.
• Vaskinn, Anja; Egeland, Jens; Høstmark Nielsen, Geir & Høstmælingen, Andreas (2010). Norske psykologers bruk av tester. Tidsskrift for Norsk Psykologforening. ISSN 0332-6470. 47, s. 1010–1016.
• Andersen, Per Normann; Skogli, Erik Winther; Hovik, Kjell Tore; Egeland, Jens & Øie, Merete Glenne (2010). Hukommelse og læring hos barn og unge med ADHD.
• Baumgartner, Nina; Aase, Heidi & Egeland, Jens (2015). Neurocognitive functions and ADHD symptoms in young preschoolers, with a particular focus on language skills. Universitetet i Oslo. ISSN 1504-3991.

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