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Four groups of rats, one of which served as a normal, nonoperated group, were used. The other three groups were operated and fitted with an electrode carrier of eight electrodes of varying lengths arranged in a 7.5 mm X 5 mm rectangle. About 10 or 12 days after surgery, the following groups of animals underwent a 14-day regimen wherein each animal spent 15… (More)
Two quantitative experiments involving eidetic imagery, performed in 1928-29 on two girls, ages 11 and 15 years, respectively, were repeated in every detail in 1974 on the same two persons. It was found that minor changes (perhaps unreliable) had occurred in the precision of eidetic projection, and that both Ss retained their ability to project a seen… (More)
The investigation is concerned with the phase coherence of human EEG's taken from the median plane of the scalp (N = about 125 male and female undergraduates). Manifestation of coherence was made by using scalp potentials of not less than a fixed value to trigger the sweep of a computer of average transients. Very coherent phase relationships were observed… (More)
With use of electrical potentials derived from chronically implanted electrodes in the rat's forebrain to trigger a computer of average transients (CAT), averaged traces were obtained which gave characteristic undulations under conditions of arousal and alertness (N = seven albino rats--six male and one female). Under conditions of extreme adaptation to the… (More)
The hypothesis to be tested was that if characteristic undulatory evoked potentials could be produced by electrical stimulation of the lateral hypothalamus, sensory stimuli originally neutral should evoke such potentials, if only of smaller amplitude. The results of experiments on four albino rats are reported. Stimulation of the lateral hypothalamus by… (More)
A ridge originating at digital triradius point a (palmar main line A) was measured from photographs in three groups of Ss, each composed of 36 males: 1) chronic, hospitalized schizophrenics; 2) chronic, hospitalized patients classified as nonpsychotic; 3) business and professional men who were members of a service club. Seven naive judges measured the point… (More)