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At least 19 recordsLinked to original sources
PubMed2005

Changes in mismatch negativity across pre-hypnosis, hypnosis and post-hypnosis conditions distinguish high from low hypnotic susceptibility groups.

The role of alterations in mismatch negativity (MMN) in hypnosis was examined by recording MMN of the auditory ERP at frontal (F3, Fz, and F4) and mastoid (M1 and M2) placements. Frontal MMN is believed to reflect activity in right anterior cortical generators, whereas MMN at mastoid leads reflects generators located bilaterally in the temporal auditory cortex. MMN recordings were obtained in 11 low and 12 high hypnotically susceptible participants in three successive blocks; pre-hypnosis, hypnosis and post-hypnosis. Frontal (but not temporal) MMN showed a significant quadratic trend across testing conditions. It increased during hypnosis and then dropped post-hypnosis for both susceptibility groups. Linear trends for frontal and temporal MMN showed directly opposite patterns of change in the interaction between hypnotic susceptibility and testing blocks. Frontal MMN built up linearly over the test blocks in high relative to low susceptibility participants. Temporal MMN showed the reverse pattern and increased linearly across test conditions in those with low relative to high hypnotic susceptibility.

Acoustic Stimulation↗
PubMed1995

Stage hypnosis and public lecture effects on attitudes and beliefs regarding hypnosis.

Stage hypnosis shows, designed to entertain and amaze, and public lectures, designed to explain and educate, provide dramatically different introductions to hypnosis. This study examined how audience members' attitudes and beliefs regarding hypnosis are affected by these two different experiences. Two hundred and five college students completed pretest measures before either watching a stage hypnosis show, or attending a lecture on hypnosis, or participating in a control group. Subjects completed posttest measures between one to three weeks later. Both the stage hypnosis show and the lecture increased attendees' motivation to use hypnosis in treatment and decreased their belief that hypnotizability reflects lower intelligence. Moreover, the lecture also increased beliefs that hypnotizability reflects creativity and inner strength. Finally, while the lecture reduced the belief that a hypnotized person is robotlike and automatically acts on all suggestions, the stage hypnosis show increased this attitude among its audience members.

Attitude↗
PubMed2003

Hypnosis, human nature, and complexity: integrating neuroscience approaches into hypnosis research.

Hypnosis research has contributed much to the understanding of human behavior and experience, both normal and abnormal. This paper considers ways in which neuroscience approaches may be integrated into hypnosis research to continue and enhance that contribution, as well as further reveal the nature of hypnosis itself. The authors review the influences on and advances in hypnosis research over the last century; illustrate the investigative value of hypnosis to selected phenomena across the areas of doing, feeling, believing, and remembering; and specify elements for the successful integration of neuroscience approaches into hypnosis research. The authors believe that hypnosis research offers powerful techniques to isolate psychological processes in ways that allow their neural bases to be mapped. Successful integration will be achieved when researchers add levels of explanation, rather than shift the emphasis from one level or feature to another.

Culture↗
PubMed1993

Hypnosis and self-hypnosis in the management of nocturnal enuresis: a comparative study with imipramine therapy.

Various therapeutic modalities have been used for treating enuresis due to the lack of a single identifiable cause. We carried out a comparative study of imipramine and direct hypnotic suggestions with imagery used for the management of functional nocturnal enuresis. Enuretic children, ranging in age from 5 to 16 years, underwent 3 months of therapy with imipramine (N = 25) or hypnosis (N = 25). After termination of the active treatment, the hypnosis group continued practicing self-hypnosis daily during the follow-up period of another 6 months. Of the patients treated with imipramine, 76% had a positive response (all dry beds); for patients treated with hypnotic strategies, 72% responded positively. At the 9-month follow-up, 68% of patients in the hypnosis group maintained a positive response, whereas only 24% of the imipramine group did. Hypnosis and self-hypnosis strategies were found to be less effective in younger children (5-7 years old) compared to imipramine treatment. The treatment response was not related to the hypnotic responsivity of the patient in either group.

Adolescent↗
PubMed2005

Does 'hypnosis' by any other name smell as sweet? The efficacy of 'hypnotic' inductions depends on the label 'hypnosis'.

Hypnosis is associated with profound changes in conscious experience and is increasingly used as a cognitive tool to explore neuropsychological processes. Studies of this sort typically employ suggestions following a hypnotic induction to produce changes in perceptual experience and motor control. It is not clear, however, to what extent the induction procedure serves to facilitate suggested phenomena. This study investigated the effect on suggestibility of (a) a hypnotic induction and (b) labelling that procedure 'hypnosis.' Suggestibility of participants was tested before and after an adapted hypnotic procedure, which was either labelled as 'hypnosis' or as 'relaxation.' The hypnotic procedure produced a modest increase in suggestibility when it was called 'relaxation,' but a very significant increase if it was labelled 'hypnosis.' The results are important for both clinical and experimental applications and indicate that labelling an induction procedure 'hypnosis' is an important determinant of subsequent responses to suggestion.

Adolescent↗
PubMed1996

Hypnosis treatment of clinical pain: understanding why hypnosis is useful.

Clinical and experimental research literature indicates hypnosis is very useful for severe and persistent pain, yet reviews suggest hypnosis is not widely used. To encourage more widespread clinical application, the author reviews recent controlled clinical studies in which hypnosis compares favorably with other interventions; links advances in understanding endogenous pain modulation to a neurophysiologic view of hypnosis and hypnoanalgesia; relates the neurophysiology of hypnoanalgesia to management of chronic pain; challenges the view that hypnotic pain control is only for the highly hypnotizable patient; and raises issues about how people learn to control pain with hypnosis. Training in hypnotic analgesia may usefully enhance nervous system inhibitory processes that attenuate pain.

Chronic Disease↗
PubMed1999

[Hypnosis and self-hypnosis administered and taught by nurses for relief of chronic pain: a controlled clinical trial].

In this controlled clinical trial hypnosis and self-hypnosis were evaluated when used as an adjuvant treatment to instrumental and pharmacological management of chronic pain. The study took place in a hospital specialized in the treatment of outpatients suffering from chronic pain. Hypnosis and self-hypnosis were administered and taught by nurses who had been trained just recently for this very purpose. Under the conditions of the study it was not possible to measure an effect of hypnosis on pain despite some subjective feeling of usefulness. However, it should be taken into account that this form of adjuvant therapy was used for the first time in that hospital for the purpose of the study and, therefore, took place in an artificial setting. It could well be that the same therapy administered in the proper therapeutic environment of a specialized institution could show beneficial effects on pain.

Autosuggestion↗
PubMed2001

Rapid self-hypnosis: a new self-hypnosis method and its comparison with the Hypnotic Induction Profile (HIP).

Despite its clinical importance, there are few systematic studies on the application of self-hypnosis. Rapid Self-Hypnosis (RSH) was created to provide a new procedure that is easy, comfortable, fosters alertness, and can be done covertly in everyday life. We present it as an alternative to the self-hypnosis version of the Hypnosis Induction Profile (HIP). Using a crossover design, we found in an experimental session that the RSH and the HIP produced comparable objective and subjective scores in the Barber Suggestibility Scale (BSS). However, as compared with the HIP, participants rated RSH as significantly more coherent, pleasant, faster and easier to learn, more likely to be used in everyday life and go unnoticed by others, less bothersome to use, and more likely to be used in private. Additional research should clarify whether these differences are reliable and have clinical significance. Our results suggest that RSH will be a valuable addition to the clinician's arsenal.

Adult↗
PubMed1990

Hypnosis, attention and concentration: reflections on the possibilities of hypnosis outside the hypnotic setting.

The authors define the concepts of attention, concentration and hypnosis. Starting from these theses they examine the possible existence of a continuum of states of consciousness, from wakefulness to the so-called hypnosis, with an increasing number of correlations of neurophysiological plasticity. The authors point out that, in those cases in which the requirements needed for the hypnotic phenomenon to take place are lacking, it is possible to exploit the patient's 'concentration' by using a kind of ideoplastia which goes with it. The final question is whether or not the concepts of concentration and hypnosis are synonymous - whether or not concentration is hypnosis or vice versa. The authors offer some personal and original reflections on these questions.

Arousal↗
PubMed2006

Hypnosis for procedure-related pain and distress in pediatric cancer patients: a systematic review of effectiveness and methodology related to hypnosis interventions.

The aim of this study was to systematically review and critically appraise the evidence on the effectiveness of hypnosis for procedure-related pain and distress in pediatric cancer patients. A comprehensive search of major biomedical and specialist complementary and alternative medicine databases was conducted. Citations were included from the databases' inception to March 2005. Efforts were made to identify unpublished and ongoing research. Controlled trials were appraised using predefined criteria. Clinical commentaries were obtained for each study. Seven randomized controlled clinical trials and one controlled clinical trial were found. Studies report positive results, including statistically significant reductions in pain and anxiety/distress, but a number of methodological limitations were identified. Systematic searching and appraisal has demonstrated that hypnosis has potential as a clinically valuable intervention for procedure-related pain and distress in pediatric cancer patients. Further research into the effectiveness and acceptability of hypnosis for pediatric cancer patients is recommended.

Child↗
PubMed1994

Hypnosis and self-hypnosis, administered and taught by nurses, for the reduction of chronic pain: a controlled clinical trial.

Hypnosis is a technique whereby an individual can reach a particular state, quite unrelated to sleep, characterized by aroused, attentive and focused concentration. Although there are numerous clinical applications of hypnosis, there are virtually no controlled clinical trials to support its effectiveness. We propose a controlled randomized clinical trial comparing a "control" group of chronic pain patients treated by a programme including conventional oral medication combined with various nerve blocks and/or spinal administration of drugs, with a "treatment" group having a similar treatment programme plus hypnosis carried out by nurses. Outcome measurements include mainly the variation of pain intensity, the amount of analgesic drug consumption, spontaneous physical activity, and the change in health-related quality of life. The assessment of the outcome variable is done at the initial workup, weekly for the first 3 weeks, and at 6 and 12 weeks. A follow-up survey is conducted at 6 months.

Autosuggestion↗
PubMed1983

[Triennial experience in group hypnosis therapy and the teaching of medical self-hypnosis].

A three year experiment with group hypnosis therapy for the teaching of medical self-hypnosis is reported. The teaching was divided into 7 courses followed by a total of 142 pupil-patients. The self-hypnotic techniques employed maximised motivational and gratification factors. A special type of deep-breathing is also described. This at least partially solves the problem of inducing a sufficiently deep trance for the achievement of appreciable results. Its efficacity was confirmed in almost all the patients despite the number and diversity of their problems and varied motivation.

Affective Symptoms↗
PubMed1995

Subjective assessment of allergy relief following group hypnosis and self-hypnosis: a preliminary study.

Self-hypnosis was taught to 34 self-identified allergy patients who attended two training classes. They practiced on their own and were questioned two months later. Seventy-six percent of the subjects reported they felt an improvement in their symptoms; 86% of those who were medicated decreased their medicines. Practice was clearly related to reported improvement. "Feeling hypnotized" was not related to improvement.

Adolescent↗
PubMed1977

Hypnosis, suggestions, and altered states of consciousness: experimental evaluation of the new cognitive-behavioral theory and the traditional trance-state theory of "hypnosis".

Sixty-six subjects were tested on a new scale for evaluating "hypnotic-like" experiences (The Creative Imagination Scale), which includes ten standardized test-suggestions (e.g. suggestions for arm heaviness, finger anesthesia, time distortion, and age regression). The subjects were randomly assigned to one of three treatment groups (Think-With Instructions, trance induction, and Control), with 22 subjects to each group. The new Cognitive-Behavioral Theory predicted that subjects exposed to preliminary instructions designed to demonstrate how to think and imagine along with the suggested themes (Think-With Instructions) would be more responsive to test-suggestions for anesthesia, time distortion, age regression, and so on, than subjects exposed to a trance-induction procedure. On the other hand, the traditional Trance State Theory predicted that a trance induction would be more effective than Think-With Instructions in enhancing responses to such suggestions. Subjects exposed to the Think-With Instructions obtained significantly higher scores on the test-suggestions than those exposed either to the traditional trance-induction procedure or to the control treatment. Scores of subjects who received the trance-induction procedure were not significantly different from those of the subjects who received the control treatment. The results thus supported the new Cognitive-Behavioral Theory and contradicted the traditional Trance State Theory of hypnosis. Two recent experiments, by De Stefano and by Katz, confirmed the above experimental results and offered further support for the Cognitive-Behavioral Theory. In both recent experiments, subjects randomly assigned to a "Think-With Instructions" treatment were more responsive to test-suggestions than those randomly assigned to a traditional trance-induction treatment.

Cognition↗