"Lucid dreaming: psychophysiological studies of consciousness during REM sleep"
Stephen LaBerge, Ph.D. 1990

Keywords: phasic REM, polygraph signals, sensory input, psychophysiological studies, time perception, alpha activity, OBE, learnt skill, neural network activation, serotonergic neurons inhibition

URL: http://www.lucidity.com/SleepAndCognition.html