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Effect of injections of a DORA in the PVT region in contextual fear conditioning. Rats were exposed to footshock and the amount of freezing to the shock chamber was examined on Day 2 following injections of the vehicle or one of the 0.1, 1.0, and 10 nmol concentration of the DORA. The drug had no effect on fear expression. The results are presented as mean ± SEM.
