Summary
The investigation was conducted on six rhesus monkeys—three normal and three neurotic. Sleep was induced by hypodermic injections of barbamyl. The oculo—vagal reflex (Aschner reflex) was electrocardiographically registered when the monkeys were awake, falling to sleep, during sleep and when waking up. The magnitude of each reflex elicited by pressure on the right eye was rated on a percentage icale of the initial reflex rhythms.
Typical alterations of the reflex change of the heart rhythm were found for the above-mentioned stages of sleep and wakefulness.
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Dzhalagoniya, S.L. Changes of the oculo-vagal reflex in monkeys during pharmacologically induced sleep. Bull Exp Biol Med 43, 566–569 (1957). https://doi.org/10.1007/BF00785739
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DOI: https://doi.org/10.1007/BF00785739