publication . 0044 . 2007

The behavioural antecedents and neural mechanisms of non-photic phase shifting in Syrian hamsters

Webb, Ian Craig;
Open Access English
  • Published: 01 Jan 2007
Abstract
In Syrian hamsters, circadian rhythms can be phase shifted by light at night or by behavioural arousal during the day (usual sleep period). Previous work in this lab has defined arousal procedures that have differential clock resetting effects; arousal stimulated by running in a novel wheel (WC) or by gentle handling (SD) can induce large phase advance shifts, whereas arousal by physical restraint (SLR), by confinement to a platform over water, or by caffeine administration have no phase shifting effects. Pharmacological and immunocytochemical experiments were conducted to identify the neural basis for the differential effects of arousal procedures on circadian ...
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