A study on polysomnographic observations and subjective experiences under sensory deprivation
Psychiatry and Clinical Neurosciences April 1, 1999 Kazuki Iwata, Mitsuaki Yamamoto, Mitsuyuki Nakao et al.
We investigated the relationship between subjective experiences and polysomnographic observations under sensory deprivation (SD). The results can be divided into two types: (i) visual images were perceived frequently, accompanied by alpha waves or theta waves in electroencephalogram and frequent rapid eye movements (REM); (ii) the subjects fell in deep sleep without perception of visual images....