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Motor Area Activation During Dreamed Hand Clenching: A Pilot Study on EEG Alpha Band
Daniel Erlacher Ph.D, Micheal Schredl Ph.D, Stephen LaBerge Ph.D
In a single participant physiological responses to dreamed motor performance in REM
lucid dreams (LD)were studied.Electroencephalographic (EEG)alpha power over motor
areas (C3,Cz,C4)has been recorded while the participant performed specific motor tasks
(hand clenching vs.counting)in a LD.The lucid dreamer marked those dream events by
pre-arranged eye movement patterns evident in the recorded electrooculogram (EOG).
Results showed that EEG alpha power over bilateral motor areas decreased while the lucid
dreamer executed left or right hand clenching in contrast to dream counting,which
supports the hypothesis that motor performance during lucid dreaming involves the same
cortical areas as during waking performance.(Sleep and Hypnosis 2003;5(4):182-187)
| Keywords: Lucid dreaming, psychophysiology, EEG |
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