Branchial ventilation rates of cataleptic goldfish (Carassius auratus) and the effects of light and electric shock |
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| Authors: | A Vinegar R E Davis |
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| Institution: | Mental Health Research Institute, and Department of Zoology, University of Michigan, Ann Arbor, Michigan 48104, U.S.A.; Mental Health Research Institute, and Department of Psychology, University of Michigan, Ann Arbor, Michigan 48104, U.S.A. |
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| Abstract: | Inverted, cataleptic goldfish showed an increase in ventilation rate over a 20 min period. The time-dependent increase in respiratory movement was initially suppressed when a 10 sec light or a 0.1 sec shock was presented at 1.5 min intervals. Contingent presentation of the light and shock, in a classical conditioning paradigm, resulted in reduced ventilation rates during the session. Physiological changes accompanying conditioning may thus alter the cataleptic state. |
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| Keywords: | Catalepsy Branchial ventilation Classical conditioning Goldfish |
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