TY - JOUR T1 - COmments on recent sleep research related to psychoanalytic theory AU - ALTSHULER KZ Y1 - 1966/09/01 N1 - 10.1001/archpsyc.1966.01730150011002 JO - Archives of General Psychiatry SP - 235 EP - 239 VL - 15 IS - 3 N2 - IN THE last ten years the study of dreams has ceased to be an exclusive realm of the clinical practitioner. The work of Dement and Kleitman in 1957 and the rapidly increasing number of their colleagues ever since confirmed beyond question the coincidence of rapid eye movements (REM), low voltage, fast electroencephalogram (stage 1 EEG), and visual dreams, and led to the recognition of dreams as universally occurring cyclical phenomena, biologically rooted in man's genetic neurophysiological endowment. Dream periodicity and length have been determined in various age groups, and the limits to which they may be influenced are being defined by studies of drugs, interruption or deprivation of dreams, and the like. One pathological entity, narcolepsy, has been clarified as a possible derangement of the mechanism underlying the REM state, while studies of identical twins, with and without mental illness, are defining the immediacy SN - 0003-990X M3 - doi: 10.1001/archpsyc.1966.01730150011002 UR - http://dx.doi.org/10.1001/archpsyc.1966.01730150011002 ER -