deprivation
131sensory deprivation — Psychiatry. the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic. * * * …
132water-deprivation test — a test for diabetes insipidus in which fluid and food intake is withheld completely for (usually) 24 hours, with regular measurement of plasma and urinary osmolality and body weight. In a normal person the output of vasopressin will be increased… …
