Neural circuitry of impaired emotion regulation in substance use disorders

Claire E. Wilcox, Jessica M. Pommy, Bryon Adinoff

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Impaired emotion regulation contributes to the development and severity of substance use disorders (substance disorders). This review summarizes the literature on alterations in emotion regulation neural circuitry in substance disorders, particularly in relation to disorders of negative affect (without substance disorder), and it presents promising areas of future research.Emotionregulationparadigms during functional magnetic resonance imaging are conceptualized into four dimensions: affect intensity and reactivity, affective modulation, cognitive modulation, and behavioral control. The neural circuitry associated with impaired emotion regulation is compared in individualswith andwithout substance disorders,with a focus on amygdala, insula, and prefrontal cortex activation and their functional and structural connectivity. Hypoactivation of the rostral anterior cingulate cortex/ventromedial prefrontal cortex (rACC/vmPFC) is themost consistent finding across studies, dimensions, and clinical populations (individuals with and without substance disorders). The same pattern is evident for regions in the cognitive control network (anterior cingulate and dorsal and ventrolateral prefrontal cortices) during cognitive modulation and behavioral control. These congruent findings are possibly related to attenuated functional and/or structural connectivity between the amygdala and insula and between the rACC/vmPFC and cognitive control network. Although increased amygdala and insula activation is associated with impaired emotion regulation in individuals without substance disorders, it is not consistently observed in substance disorders. Emotion regulation disturbances in substance disorders may therefore stem from impairments in prefrontal functioning, rather than excessive reactivity to emotional stimuli. Treatments for emotion regulation in individuals without substance disorders that normalize prefrontal functioning may offer greater efficacy for substance disorders than treatments that dampen reactivity.

Original languageEnglish (US)
Pages (from-to)344-361
Number of pages18
JournalAmerican Journal of Psychiatry
Volume173
Issue number4
DOIs
StatePublished - Apr 1 2016

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Substance-Related Disorders
Emotions
Prefrontal Cortex
Gyrus Cinguli
Amygdala
Magnetic Resonance Imaging
Population

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Neural circuitry of impaired emotion regulation in substance use disorders. / Wilcox, Claire E.; Pommy, Jessica M.; Adinoff, Bryon.

In: American Journal of Psychiatry, Vol. 173, No. 4, 01.04.2016, p. 344-361.

Research output: Contribution to journalArticle

Wilcox, Claire E. ; Pommy, Jessica M. ; Adinoff, Bryon. / Neural circuitry of impaired emotion regulation in substance use disorders. In: American Journal of Psychiatry. 2016 ; Vol. 173, No. 4. pp. 344-361.
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