Summary
The conditioned reflexes are completely restored after the exclusion of the heart from the circulation for a period of 15 min during hypothermia. Restoration of protective conditional respiratory reflexes begins on the 5th day and they normalize compltely on the 10th day. Normalization of the salivary conditioned reflexes starts on the 7th day and is completed by the 19th day. The process of restoration fluctuates with the development of hypnotic phases of cerebral cortex activity.
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Novikov, V.F. The effect of temporary exclusion of the heart from the circulation on the higher nervous activity of dogs in a state of hypothermia. Bull Exp Biol Med 50, 1260–1265 (1961). https://doi.org/10.1007/BF00785380
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DOI: https://doi.org/10.1007/BF00785380