AbstractIn hamsters, the expression of a learned preference for context depends upon a temporal match between the time of training and testing. In the present experiments, we investigated the role of the biological clock in the suprachiasmatic nucleus (SCN) as a provider of temporal information underlying this time dependent modulation of cognitive performance. Hamsters were tested using the conditioned place preference task (CPP) before and after ablation of the SCN. Arrhythmic animals continued to show time…
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