Altered states of consciousness: review of experimental data obtained with a multiple techniques approach.
Journal of alternative and complementary medicine (New York, N.Y.) April 2002 Pavel V Bundzen, Konstantin G Korotkov, Lars-Erick Unestahl
To investigate the psychophysiologic mechanisms of an altered state of consciousness (ASC) produced via systematic mental training by correlating the results of multiple computerized bioelectrographic measurements. All subjects were tested, using a set of modern computerized techniques comprising digital electroencephalography, measurement of the low-frequency bilateral activity of the brain,...