Stereotypy (non-human)
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In animal behaviour, stereotypy, stereotypic or stereotyped behaviour has several meanings, leading to ambiguity in the scientific literature. A stereotypy is a term for a group of phenotypic behaviou
An exploratory sniffing behaviour that may lead to the development of the wire-gnawing stereotypy in a caged mouse
Abnormality (behavior)
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In psychology, abnormality is a behavioral characteristic assigned to those with conditions that are regarded as dysfunctional. Behavior is considered to be abnormal when it is atypical or out of the
Stereotypy (non-human)
…phenotypic behaviours that are repetitive, morphologically identical and which possess no obvious goal or function. These behaviours have been defined as "abnormal", as they exhibit themselves solely in animals subjected to barren environments, scheduled or restricted feedings, social deprivation and other cases…
Photographs of a woman suffering from hysteria by Jean-Martin Charcot.