[Changes in innate forms of motor behavior in rats during long-term hypokinesia].
The structure of motor behaviour in response to environmental tests--"open field" and "with-a-partner" situation (according to P. V. Simonov)--was studied in rats after 1, 3 and 6 weeks of hypokinesis, (to K. Hecht), as compared to the control. In control animals a relatively low level of orienting-investigation reactions and of grooming was observed as well as a low alimentary activity, which is considered as a manifestation of innate passive defensive reactions in the above situations. Disappearance of these reactions in the course of hypokinesia has two stages: predominant increase in orienting-investigating reactions (1-3 weeks); their subsequent decrease and an increase in the grooming (after 6 weeks). The relation between innate and conditioned behavioural changes is discussed as well as stability of alimentary behaviour in rats.
D000818:Animals; D001362:Avoidance Learning / Q000502:physiology; D003216:Conditioning, Operant / Q000502:physiology; D005106:Exploratory Behavior / Q000502:physiology; D005247:Feeding Behavior / Q000502:physiology; D006801:Humans; D008297:Male; D009043:Motor Activity / Q000502:physiology*; D009949:Orientation / Q000502:physiology; D051381:Rats; D012149:Restraint, Physical; D013315:Stress, Psychological / Q000503:physiopathology*; D013997:Time Factors
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