114 Scopus citations


Chronic use of addictive drugs produces enduring neuroadaptations in the corticostriatal glutamatergic brain circuitry. The nucleus accumbens (NAc), which integrates cortical information and regulates goal-directed behavior, undergoes long-term morphological and electrophysiological changes that may underlie the increased susceptibility for relapse in drug-experienced individuals even after long periods of withdrawal. Additionally, it has recently been shown that exposure to cues associated with drug use elicits rapid and transient morphological and electrophysiological changes in glutamatergic synapses in the NAc. This review highlights these dynamic drug-induced changes in this pathway that are specific to a drug seeking neuropathology, as well as how these changes impair normal information processing and thereby contribute to the uncontrollable motivation to relapse. Future directions for relapse prevention and pharmacotherapeutic targeting of the rapid, transient synaptic plasticity in relapse are discussed. This article is part of a Special Issue entitled 'NIDA 40th Anniversary Issue'.

Original languageEnglish
Pages (from-to)276-286
Number of pages11
Issue numberPART B
StatePublished - 2014

Bibliographical note

Funding Information:
We thank the Kalivas lab members for helpful comments on an earlier version of this manuscript. This work was supported by DA033690 (CDG) , and DA003906 , DA012513 and DA015369 (PWK) grants from the National Institutes of Health .


  • Addiction
  • Relapse
  • Synaptic plasticity

ASJC Scopus subject areas

  • Pharmacology
  • Cellular and Molecular Neuroscience


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