Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Event-related potentials during hypnotic hallucination

V DePascalis1

  • 1Department of Psychology, University of Rome La Sapienza, Italy.

The International Journal of Clinical and Experimental Hypnosis
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

40-Hz EEG activity during hypnotic induction and hypnotic testing.

The International journal of clinical and experimental hypnosis·1990
Same author

EEG asymmetry during covert mental activity and its relationship with hypnotizability.

The International journal of clinical and experimental hypnosis·1988
Same author

Biofeedback monitoring-devices for astronauts in space environment.

Acta astronautica·1983
See all related articles

High hypnotizable individuals showed reduced brain responses (P1, N1 amplitudes) during hypnotic negative hallucination, indicating altered sensory processing. This suggests distinct psychophysiological mechanisms underlie hypnotic suggestion.

Area of Science:

  • Neuroscience
  • Psychology
  • Cognitive Science

Background:

  • Hypnotic hallucination involves altered sensory perception.
  • Event-related potentials (ERPs) offer insights into psychophysiological processes.

Purpose of the Study:

  • To investigate the neural correlates of hypnotic hallucination using ERPs.
  • To compare brain activity in high and low hypnotizable individuals under different hypnotic conditions.

Main Methods:

  • ERPs (P1, N1, P2, N2, P3 components) were recorded during visual stimulation.
  • Participants underwent hypnotic suggestions for stimulus enhancement and elimination.
  • Hypnotic susceptibility was assessed using standardized scales.

Main Results:

Related Experiment Videos

  • High hypnotizable subjects showed attenuated P1 and N1 amplitudes during stimulus elimination (negative hallucination).
  • P1 amplitude reduction was most prominent at posterior scalp sites.
  • P3 peak latency decreased during negative hallucination, particularly in the right hemisphere.

Conclusions:

  • Hypnotic negative hallucination is associated with reduced early sensory processing (P1, N1).
  • Altered P3 latency suggests changes in cognitive processing during hypnotic suggestion.
  • Findings highlight the role of ERPs in understanding hypnotic phenomena.