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EEG sLORETA functional imaging during hypnotic arm levitation and voluntary arm lifting.

På svenska

Author

  • Etzel Cardeña
  • Dietrich Lehmann
  • P Faber
  • Peter Jönsson
  • P Milz
  • R Pascual-Marqui
  • K Kochi

Summary, in English

This study (N=37 with high, medium, and low hyp-notizables) evaluated depth reports and EEG activity during both voluntary and hypnotically induced left-arm lifting with sLORETA functional neuroimaging. The hypnotic condition was associated with higher activity in fast EEG frequencies in anterior regions and slow EEG frequencies in central-parietal regions, all left-sided. The voluntary condition was associated with fast frequency activity in right-hemisphere central-parietal regions and slow frequency activity in left anterior regions. Hypnotizability did not have a significant effect on EEG activity, but hypnotic depth correlated with left hemisphere increased anterior slow EEG and decreased central fast EEG activity. Hypnosis had a minimal effect on depth reports among lows, a moderate one among mediums, and a large one among highs. Because only left-arm data were available, the full role of the hemispheres remains to be clarified.

Publishing year

2012

Language

English

Pages

31-53

Publication/Series

International Journal of Clinical and Experimental Hypnosis

Volume

60

Issue

1

Document type

Journal article

Publisher

Routledge

Topic

  • Psychiatry

Keywords

  • hypnosis
  • eeg

Status

Published

Research group

  • CERCAP (Center for Research on Consciousness and Anomalous Psychology)

ISBN/ISSN/Other

  • ISSN: 1744-5183