Consciousness Disorders

Publication Title: 
Annales Médico-Psychologiques
Author(s): 
Bourgeois, M.
Geraud, M.
Publication Title: 
Neuroreport

The neural mechanisms associated with hypnosis were investigated in a single highly hypnotizable subject by measuring the mismatch negativity (MMN) component of auditory ERP, reflecting the preattentive discrimination of change in stimulus flow, in normal baseline state and under hypnosis. It has been proposed that the frontal inhibition associated with hypnosis can be measured as a decrease in MMN. ERPs were elicited using the passive oddball paradigm with standard and deviant sine tone stimuli of 500 and 553Hz, respectively. The measurement was repeated in five separate sessions.

Author(s): 
Kallio, S.
Revonsuo, A.
Lauerma, H.
Hämäläinen, H.
Lang, H.
Publication Title: 
The American Journal of Clinical Hypnosis

Although many clinicians use the word "trance" to describe the subjective effects associated with being hypnotized, heretofore there has been no means to operationalize that concept. In a prior paper (Pekala & Kumar, 2000) the authors operationalized the notion of trance by using a retrospective, self-report instrument, the Phenomenology of Consciousness Inventory (PCI), to quantify the subjective experience of being hypnotized.

Author(s): 
Pekala, Ronald J.
Publication Title: 
Acta Biologica Hungarica

Pavlov has described hypnosis as a partial sleep. A contemporary approach to this altered state of consciousness will be discussed. Under laboratory conditions subjective and behavioral data will be analyzed after hypnotic induction, shamanic trance and relaxation with listening to music. Role of different cortical regions will be shown after different hypnotic inductions as a function of hypnotic susceptibility. The importance of context will be underlined as an important factor in the possible alteration of consciousness.

Author(s): 
Mészáros, I.
Szabó, Cs
Csákó, Rita I.
Publication Title: 
Consciousness and Cognition

It is the central hypothesis of this paper that the mental states commonly referred to as altered states of consciousness are principally due to transient prefrontal cortex deregulation. Supportive evidence from psychological and neuroscientific studies of dreaming, endurance running, meditation, daydreaming, hypnosis, and various drug-induced states is presented and integrated.

Author(s): 
Dietrich, Arne
Publication Title: 
The International Journal of Clinical and Experimental Hypnosis

This paper makes the case that hypnotic phenomena are liminal in nature and that hypnotic practitioners (such as Milton Erickson) share many traits with traditional societies' "tricksters." The ambiguous nature of hypnosis has been apparent since the days of Mesmer's animal magnetism. Hypnotized people often report hallucinations that confound their ordinary distinctions between reality and illusion, external and internal processes, and many other binary oppositions, including time and space as well as mind and body.

Author(s): 
Krippner, Stanley
Publication Title: 
The American Journal of Clinical Hypnosis

The hypnosis world recently lost one of its giant figures, André Weitzenhoffer. Dr. Weitzenhoffer devoted almost his entire professional life to the study of hypnosis and hypnotic phenomena. While almost everyone in the field is familiar with his many professional contributions, not as many had the privilege of hearing the man speak candidly about his career and personal views. This is a transcript of an interview with André Weitzenhoffer conducted by Michael Yapko in 1988.

Author(s): 
Weitzenhofer, André
Publication Title: 
The International Journal of Clinical and Experimental Hypnosis

Procedures for estimating hypnotic depth have been used for more than 70 years. This study predicted self-reported hypnotic depth from the phenomenological and behavioral variables of the Phenomenology of Consciousness Inventory-Hypnotic Assessment Procedure (PCI-HAP). Participants were divided into 2 groups; 1 was used to generate regression equations, and the other group was used for cross-validation.

Author(s): 
Pekala, Ronald J.
Kumar, V. K.
Maurer, Ronald
Elliott-Carter, Nancy C.
Moon, Edward
Publication Title: 
The American Journal of Clinical Hypnosis

This paper presents a highly edited version of a videotape made in 1980 by Marion Moore, M.D., showing Milton H. Erickson and Moore demonstrating novel, activity-dependent approaches to hand-levitation and therapeutic hypnosis on their subject, Ernest Rossi. Erickson's naturalistic and utilization approach is described in his very direct and surprising induction in a trance challenged patient.

Author(s): 
Rossi, Ernest
Erickson-Klein, Roxanna
Rossi, Kathryn
Publication Title: 
The American Journal of Clinical Hypnosis

The hypnosis community may be buying into a neuroscience fad concerning brain laterality. Accustomed to deflating folkloric claims about hypnosis, researchers and practitioners of hypnosis have come to appreciate the danger of lingering myths and the importance of dispelling legends. Tales are ubiquitous, however, and claims relating to the left or right hemispheres require both context and substantive data. Here we sketch the gist of brain laterality findings and their relevance to the hypnosis community.

Author(s): 
Raz, Amir
Schwartzman, Deborah
Guindi, Daniella

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