Biomedical subjects
Publications and source records attributed to J P ZUBEK.
Subjects who were placed in darkness for a week but who were otherwise exposed to a normal and varied sensory environment showed an increase in tactual acuity and in sensitivity to heat and pain. This cutaneous supersensitivity was still present several days after the termination of visual deprivation.
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Subjects who were required to perform physical exercises during a week's exposure to unpatterned light and white noise showed fewer impairments on 15 behavioral measures than did subjects who were not required to exercise during the same 'period in an isolation chamber. Furthermore, fewer hallucinatory phenomena and fewer disturbances of the electroencephalogram were observed.
Subjects who were immobilized for a week but otherwise were exposed to a normal and varied sensory environment showed intellectual and perceptual deficits similar in many respects to those occurring after prolonged visual and auditory deprivation. A significant change in the electroencephalogram was also observed.
Seven days' exposure to unpatterned light and white noise produced a significantly greater decrease in occipital lobe frequencies than did the same period of darkness and silence. This differential effect may be related to the greater behavioral impairments which seem to occur after prolonged exposure to diffuse light and noise.
A progressive decrease in frequencies in the alpha range was observed during 14-day exposure to unpatterned light and white noise. The electroencephalographic records were still abnormal 1 week later, and long-lasting motivational losses were observed.
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