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Rats received either 0 or 30 preexposures to a tone that was later used as a warning stimulus in a two-way active avoidance task. Consistent with previous data, tone preexposure resulted in retarded acquisition of the conditioned avoidance response (CAR) in saline control animals and in animals that received chronic administration of a low dose of d-amphetamine. Similarly, animals that received tail-pressure stress prior to stimulus preexposure also showed retarded acquisition of the CAR. However, animals that received a combination of tail pressure and d-amphetamine did not show retarded CAR acquisition following stimulus preexposure. These results suggest an interaction between environmental stressors and d-amphetamine in producing attentional deficits.
P A Hellman, and
A Crider, and
P R Solomon
June 1982,
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P A Hellman, and
A Crider, and
P R Solomon
February 1975,
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P A Hellman, and
A Crider, and
P R Solomon
February 1976,
Psychopharmacologia,
P A Hellman, and
A Crider, and
P R Solomon
February 1978,
European journal of pharmacology,
P A Hellman, and
A Crider, and
P R Solomon
March 1981,
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P A Hellman, and
A Crider, and
P R Solomon
July 2004,
Neurobiology of learning and memory,
P A Hellman, and
A Crider, and
P R Solomon
April 1965,
Journal of gerontology,
P A Hellman, and
A Crider, and
P R Solomon
June 1974,
Journal of comparative and physiological psychology,
P A Hellman, and
A Crider, and
P R Solomon
November 1946,
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.),
P A Hellman, and
A Crider, and
P R Solomon
October 1982,
Pharmacology, biochemistry, and behavior,
