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Adding local short description: "Deliberately removing or reducing stimuli", overriding Wikidata description "the act of deliberately removing or reducing stimuli" (Shortdesc helper) |
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{{Short description|Deliberately removing or reducing stimuli}}
'''Sensory deprivation''' or '''perceptual isolation'''<ref>Donald Olding Hebb, Essay on Mind, Psychological Press, 1980</ref> is the deliberate reduction or removal of [[stimulus (physiology)|stimuli]] from one or more of the senses. Simple devices such as [[blindfold]]s or [[Hood (headgear)|hoods]] and [[earmuff]]s can cut off sight and hearing, while more complex devices can also cut off the sense of smell, [[Somatosensory system|touch]], taste, thermoception (heat-sense), and the [[Vestibular system|ability to know which way is down]]. Sensory deprivation has been used in various [[alternative medicine]]s and in [[psychology|psychological]] experiments (e.g. with an [[isolation tank]]).
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