1. Barr, G.A., Sharpless, N.S., Cooper, S., Schiff, S.R., Paredes, W. and Bridger, W.H. (1983) Classical conditioning, decay and extinction of cocaine-induced hyperactivity and stereotypy, Life Sci., 33: 1341–1351.
2. Beninger, R.J. and Hahn, B.L. (1983) Pimozide blocks establishment but not expression of amphetamine-produced environment-specific conditioning, Science, 220: 1304–1306.
3. Borowsky, B. and Kuhn, C.M. (1991) Monoamine mediation of cocaine-induced hypothalamo-pituitary-adrenal activation, J. Pharmacol. Exp. Ther., 256: 204–210.
4. Carey, R.J. and Damianopoulos, E.N. (1994) Conditioned cocaine induced hyperactivity: An association with increased medial prefrontal cortex serotonin, Behav. Brain Res., 62: 177–185.
5. Chopin, P. and Briley, M. (1987) Animal models of anxiety: the effect of compounds that modify 5-HT neurotransmission, Trends Pharmacol. Sci., 8: 383–388.