Fig. 2.
d-Amphetamine (d-AMPH)–induced locomotor activity and dopamine efflux in the nucleus accumbens (NAcc) on day 1 and day 9 of induction of sensitization after intravenous (IV) administration of Tat-GluA23Y or controls. (A) Time course of locomotor activity on day 1 of induction. (B) Dopamine efflux in the NAcc on day 1 of induction. (C) Time course of locomotor activity on day 9 of induction. (D) Dopamine efflux in the NAcc on day 9 of induction. (E) Cumulative locomotor activity over 30 min on days 1 and 9 of induction. (F) Dopamine efflux in the NAcc at the 30 min peak on days 1 and 9 of induction. IP = intraperitoneal. *p < 0.01.