THE EFFECT OF PHASE‐SHIFT ON THE PASSIVE AVOIDANCE RESPONSE IN RATS AND THE MODIFYING ACTION OF CHLORDIAZEPOXIDE
Open Access
- 19 July 1974
- journal article
- Published by Wiley in British Journal of Pharmacology
- Vol. 51 (3) , 447-451
- https://doi.org/10.1111/j.1476-5381.1974.tb10681.x
Abstract
1 In rats trained to a 12 h light-12 h dark cycle, advancing the phase by 6 h produced a resynchronization of the 24 h variation in passive avoidance response (PAR) which was completed after 10 days. 2 The attainment of the new steady state was preceded by a period of disruption which was greatest 5 days after phase-shift. 3 The presence of chlordiazepoxide (62.5–500 μg/ml) in the drinking water during the days after phase-shift produced a dose-dependent lessening of the disruptive effect of phase-shift, and a more rapid adaptation to the new light-dark cycle.Keywords
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