The aim of this study is to gain a better understanding of the mechanisms involved in pain modulation and to compare two different methods that can influence the experience of pain, namely hypnosis and vagus nerve stimulation prior to a pain test. The pain test we use involves dipping your hand in a cold bath and holding it there for as long as possible.
Clinical hypnosis is a mental technique that involves focused attention and increased receptivity to what is happening here and now - it can be similar to the state you can get into when you are engrossed in a book or a movie. Hypnosis consists of customized suggestions for pain relief. The research literature repeatedly shows good pain-relieving effects of hypnosis.
Vagus nerve stimulation involves stimulating the vagus nerve, our largest cranial nerve, by attaching an electrode to the ear that sends impulses through the skin. Studies have shown that this can reduce symptoms of depression and anxiety. Vagus nerve stimulation has also shown effects on pain.
A better understanding of pain modulation, and methods to influence pain, can have a major impact on how to prevent and treat different pain conditions. We believe the planned study will contribute to just that.
The recruitment of participants for this study is complete! Results will be published when ready.