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Nat Neurosci. 2014 Jun;17(6):810-2. doi: 10.1038/nn.3719. Epub 2014 May 11.

Induction of self awareness in dreams through frontal low current stimulation of gamma activity.

Author information

1
1] Department of Psychology, J.W. Goethe-University Frankfurt, Frankfurt, Germany. [2] Department of Clinical Sleep Research, VITOS Hochtaunus Klinik, Friedrichsdorf, Germany.
2
GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany.
3
Harvard Medical School, Boston, Massachusetts, USA.
4
Department of Clinical Neurophysiology, University Medical Center, Göttingen, Germany.
5
Department of Psychology, Bonn University, Bonn, Germany.
6
1] Department of Clinical Sleep Research, VITOS Hochtaunus Klinik, Friedrichsdorf, Germany. [2] Department of Psychiatry, Duesseldorf University, Duesseldorf, Germany.

Abstract

Recent findings link fronto-temporal gamma electroencephalographic (EEG) activity to conscious awareness in dreams, but a causal relationship has not yet been established. We found that current stimulation in the lower gamma band during REM sleep influences ongoing brain activity and induces self-reflective awareness in dreams. Other stimulation frequencies were not effective, suggesting that higher order consciousness is indeed related to synchronous oscillations around 25 and 40 Hz.

Comment in

PMID:
24816141
DOI:
10.1038/nn.3719
[Indexed for MEDLINE]

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