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  • Title: [Avoidance reaction and defensive reflex in the rabbit based on hypothalamic stimulation inducing strokes of the paws].
    Author: Belyĭ VP, Sabin'e A.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1985; 35(4):687-94. PubMed ID: 4050109.
    Abstract:
    In experiments on rabbits electrical stimulation of the medial hypothalamic area elicited a biphasic reaction: running during the current action and species-specific reaction of kicking the floor with the hind limbs in poststimulous period. Conditioning with acoustic stimulus led in the half of rabbits to elaboration of a habit of jumping on a safe platform in experimental model of active avoidance and to a weak conditioned reaction of kicking without running in the model of classical defensive reflex. The number of conditioned limb kicks was 7-10 times less than that of analogous responses to the reinforcing stimulus. With the increase of the number of combinations, the conditioned habit of kicking became deteriorated: the response became weaker and its latency more prolonged. The results of experiments are discussed in the light of Anokhin's theory of functional system of goal-directed behavioural act.
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