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

A comparison of memory for homicide, non-homicidal violence, and positive life experiences.



Defendants commonly claim amnesia for their criminal actions especially in cases involving extreme violence. While some claims are malingered or result from physiological factors, other cases may represent genuine partial or complete amnesia resulting from the psychological distress and/or extreme emotion associated with the perpetration of the crime. Fifty Canadian homicide offenders described their memories of their homicide, a non-homicide violent offense, and their most positive adulthood life experience. Self-reported and objective measures of memories for these events revealed that homicides were recalled with the greatest level of detail and sensory information. Although dissociative tendencies were associated with a self-reported memory loss, objective measures of memory quality did not reflect this perceived impairment, suggesting a failure of meta-memory. Recollections of positive life events were superior to those of non-homicidal violence, possibly due to greater impact and meaning attached to such experiences. Findings suggest that memory for homicide typically is enhanced by the powerful emotion associated with its perpetration.

Int J Law Psychiatry. 2009 Sep-Oct;32(5):329-34. Epub 2009 Jul 31. Woodworth M, Porter S, Ten Brinke L, Doucette NL, Peace K, Campbell MA. University of British Columbia - Okanagan, Canada. Michael.Woodworth@ubc.ca

The Demise of Clinical Hypnotherapy



by Tim Brunson, PhD

In 1953, in what is probably the most famous cartoon quotation, Pogo stated that "We have met the enemy and he is us." No other utterance so closely conveys my misgivings and concerns about the struggle between the clinical approach to hypnotherapy and the rather idealistic one, which is too much en vogue in contemporary practices. My initial training and the numerous certifications previously received from four well-established international hypnotherapy associations clearly stated that I possessed clinical credentials. Yet upon further reflection and after being challenged in 2006 by a group of medical doctors to reconcile my accomplishments with relevant scientific literature, I started questioning how my colleagues – and even those in the medical and psychology professions – were using the word clinical in regards to hypnotherapy. This pondering continued during my successful efforts to complete a PhD dissertation on neurology and hypnosis. During that process I was expected to clarify, validate, and cite my various statements and claims. Many of my concerns emanate from those efforts.

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Rayma Ditson-Sommer, Ph.D.



Rayma Ditson-Sommer, Ph.D has a lengthy background in psychology, wellness facilitation, neurotherapy, biofeedback, peak performance training, specialized education, early childhood development and education, neuropsychology, music therapy and research. She holds degrees from Columbia University, New York City; Texas Woman's University, Denton, Texas; and Indiana University, Bloomington, Indiana, with year-long internships at Southwestern Medical School, Menninger Clinic, and Topeka State Hospital. Dr. Ditson-Sommer has help professorships at the University of Wisconsin, Texas Woman's University, and Viterbo College, with Consultantships at Arizona State University, the University of Arizona, and Southern Methodist University.

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