Tim Brunson DCH

Welcome to The International Hypnosis Research Institute Web site. Our intention is to support and promote the further worldwide integration of comprehensive evidence-based research and clinical hypnotherapy with mainstream mental health, medicine, and coaching. We do so by disseminating, supporting, and conducting research, providing professional level education, advocating increased level of practitioner competency, and supporting the viability and success of clinical practitioners. Although currently over 80% of our membership is comprised of mental health practitioners, we fully recognize the role, support, involvement, and needs of those in the medical and coaching fields. This site is not intended as a source of medical or psychological advice. Tim Brunson, PhD

Katrina McFerran

Posted At : March 8, 2012 3:06 PM | Posted By : Tim Brunson, PhD
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Katrina McFerran is Senior Lecturer in music therapy at the University of Melbourne, Australia. She specialises in music therapy with adolescents, and her clinical work spans a range of community and institutional settings, from palliative care to mental health and special education. Katrina has worked with a wide range of teenagers, including those struggling to cope with bereavement, substance misuse, homelessness, mental illness, chronic illness and a variety of disabilities.

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Suggested visual hallucination without hypnosis enhances activity in visual areas of the brain.

Posted At : March 8, 2012 2:41 PM | Posted By : Tim Brunson, PhD
Related Categories: General


This functional Magnetic Resonance Imaging (fMRI) study investigated high and low suggestible people responding to two visual hallucination suggestions with and without a hypnotic induction. Participants in the study were asked to see color while looking at a grey image, and to see shades of grey while looking at a color image. High suggestible participants reported successful alterations in color perception in both tasks, both in and out of hypnosis, and showed a small benefit if hypnosis was induced. Low suggestible people could not perform the tasks successfully with or without the hypnotic induction. The fMRI results supported the self report data, and changes in brain activity were found in a number of visual areas. The results indicate that a hypnotic induction, although having the potential to enhance the ability of high suggestible people, is not necessary for the effective alteration of color perception by suggestion.

Copyright © 2011 Elsevier Inc. All rights reserved.

Conscious Cogn. 2011 Nov 26. McGeown WJ, Venneri A, Kirsch I, Nocetti L, Roberts K, Foan L, Mazzoni G. Department of Psychology, University of Hull, UK.

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