Classical Conditioning of Hippocampal Theta Patterns in the Rat.

Teitelbaum ,H.; McFarland,W. L.; Mattsson,J. L.

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Accession Number : ADA033589

Title : Classical Conditioning of Hippocampal Theta Patterns in the Rat.

Descriptive Note : Scientific rept.,

Corporate Author : ARMED FORCES RADIOBIOLOGY RESEARCH INST BETHESDA MD

Personal Author(s) : Teitelbaum ,H. ; McFarland,W. L. ; Mattsson,J. L.

Report Date : AUG 1976

Pagination or Media Count : 14

Abstract : Electrical stimulation (88 Hz) of the lateral hypothalamus elicits a sustained theta response at hippocampal recording sites of rats immobilized with succinylcholine. By pairing this unconditioned stimulus with a 10-second presentation of a light, conditioned theta responses consistently appear after 40 trials. When the conditioned rats were tested in the absence of a neuromuscular blocking agent, the conditioned stimulus elicited a theta response that was associated with slow locomotor activity in 70 percent of the trials. This paper provides an assay for hippocampal bioelectric activity that is useful in understanding radiation-induced behavioral incapacitation. (Author)

Descriptors : *CONDITIONING(LEARNING), *HYPOTHALAMUS, STIMULATION(PHYSIOLOGY), RATS, BEHAVIOR, BIOELECTRICITY, NEUROCHEMICAL TRANSMISSION.

Subject Categories : PSYCHOLOGY
ANATOMY AND PHYSIOLOGY

Distribution Statement : APPROVED FOR PUBLIC RELEASE

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