Enhanced Amphetamine- and K⁺-Mediated Dopamine Release in Rat Striatum after Repeated Amphetamine: Differential Requirements for Ca²⁺- and Calmodulin-Dependent Phosphorylation and Synaptic Vesicles

This work was supported by the National Institute on Drug Abuse (NIDA) Grant DA-05066 and NIDA Interdisciplinary Training Grant DA-07267 at the University of Michigan Substance Abuse Research Center (L.K.). We thank Terry Robinson for the use of his HPLC and for helpful conversations.

Correspondence should be addressed to Dr. Margaret E. Gnegy, Department of Pharmacology, 2220E MSRB III, University of Michigan Medical School, Ann Arbor, MI 48109-0634.