Enhancing response inhibition by incentive: Comparison of adolescents with and without substance use disorder

Tammy Chung, Charles Geier, Beatriz Luna, Stefan Pajtek, Robert Terwilliger, Dawn Thatcher, Duncan B. Clark

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Effective response inhibition is a key component of recovery from addiction. Some research suggests that response inhibition can be enhanced through reward contingencies. We examined the effect of monetary incentive on response inhibition among adolescents with and without substance use disorder (SUD) using a fast event-related fMRI antisaccade reward task. The fMRI task permits investigation of how reward (monetary incentive) might modulate inhibitory control during three task phases: cue presentation (reward or neutral trial), response preparation, and response execution. Adolescents with lifetime SUD (n=12; 100% marijuana use disorder) were gender and age-matched to healthy controls (n=12). Monetary incentive facilitated inhibitory control for SUD adolescents; for healthy controls, the difference in error rate for neutral and reward trials was not significant. There were no significant differences in behavioral performance between groups across reward and neutral trials, however, group differences in regional brain activation were identified. During the response preparation phase of reward trials, SUD adolescents, compared to controls, showed increased activation of prefrontal and oculomotor control (e.g., frontal eye field) areas, brain regions that have been associated with effective response inhibition. Results indicate differences in brain activation between SUD and control youth when preparing to inhibit a prepotent response in the context of reward, and support a possible role for incentives in enhancing response inhibition among youth with SUD.

Original languageEnglish (US)
Pages (from-to)43-50
Number of pages8
JournalDrug and Alcohol Dependence
Volume115
Issue number1-2
DOIs
StatePublished - May 1 2011

Fingerprint

Reward
Substance-Related Disorders
Motivation
Brain
Chemical activation
Magnetic Resonance Imaging
Cannabis
Inhibition (Psychology)
Frontal Lobe
Cues
Recovery
Research

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pharmacology
  • Psychiatry and Mental health
  • Pharmacology (medical)

Cite this

Chung, Tammy ; Geier, Charles ; Luna, Beatriz ; Pajtek, Stefan ; Terwilliger, Robert ; Thatcher, Dawn ; Clark, Duncan B. / Enhancing response inhibition by incentive : Comparison of adolescents with and without substance use disorder. In: Drug and Alcohol Dependence. 2011 ; Vol. 115, No. 1-2. pp. 43-50.
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Enhancing response inhibition by incentive : Comparison of adolescents with and without substance use disorder. / Chung, Tammy; Geier, Charles; Luna, Beatriz; Pajtek, Stefan; Terwilliger, Robert; Thatcher, Dawn; Clark, Duncan B.

In: Drug and Alcohol Dependence, Vol. 115, No. 1-2, 01.05.2011, p. 43-50.

Research output: Contribution to journalArticle

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