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  • Title: [The vegetative component of a conditioned reflex].
    Author: Ordzhonikadze TsA, Pkhakadze LD.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1975; 25(2):239-44. PubMed ID: 1210687.
    Abstract:
    Defensive and alimentary conditioned reflexes were studied on normal cats and cats with neural isolation of the neocortex. The cardiac component of the conditioned reflexes is elaborated in decorticated animals at a similar rate and is as steady as in normal cats. Motor conditioned reactions in decorticated cats are difficult to elaborate. Both in normal and decorticated cats unconditioned pain stimulation evokes tachycardia, while a conditioned signal, paired with this unconditioned stimulus, produces bradicardia. Ban assumption has been made that the primary conditioned reaction consists in the appearance of a certain emotional state which changes the cardiac rhythm in a typical way.
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