The design of new antidepressants
Current pharmacological models of social withdrawal in rats
Monitoring drinking behaviour and motivation to drink over successive doses of alcohol
Inhibitory avoidance memory deficit induced by scopolamine
Effects of positive and negative modulators of the γ-aminobutyric acid A receptor complex on responding under a differential-reinforcement-of-low-rate schedule of reinforcement in rats
Tolerance to the rate-increasing and not rate-decreasing effects of pregnanolone in rats
Reinforcing effects of d-amphetamine
Effects of acute and repeated nicotine administration on delay discounting in Lewis and Fischer 344 rats
Differences in 5-HT1A receptor-mediated hypothermia in rats with low or high exploratory activity
A low-Δ9tetrahydrocannabinol cannabis extract induces hyperphagia in rats
Acknowledgement of reviewers for Volume 21