p (Bablyoyantz, 1986; Rapp et al, 1989; Ehlers et al, 1991) with non- REM having a lower Dz than REM. Dz of the EEG record was selectively reduced in Stage Il and REM in schizophrenic patients compared with controls (Roschke and Aldenhoff, 1993), this difference was made more prominent by treatment with the aminod