Abnormal decision-making in generalized anxiety disorder: Aversion of risk or stimulus-reinforcement impairment?

Cindy Teng, Marcela Otero, Marilla Geraci, R. J.R. Blair, Daniel S. Pine, Christian Grillon, Karina S. Blair

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

There is preliminary data indicating that patients with generalized anxiety disorder (GAD) show impairment on decision-making tasks requiring the appropriate representation of reinforcement value. The current study aimed to extend this literature using the passive avoidance (PA) learning task, where the participant has to learn to respond to stimuli that engender reward and avoid responding to stimuli that engender punishment. Six stimuli engendering reward and six engendering punishment are presented once per block for 10 blocks of trials. Thirty-nine medication-free patients with GAD and 29 age-, IQ and gender matched healthy comparison individuals performed the task. In addition, indexes of social functioning as assessed by the Global Assessment of Functioning (GAF) scale were obtained to allow for correlational analyzes of potential relations between cognitive and social impairments. The results revealed a Group-by-Error Type-by-Block interaction; patients with GAD committed significantly more commission (passive avoidance) errors than comparison individuals in the later blocks (blocks 7,8, and 9). In addition, the extent of impairment on these blocks was associated with their functional impairment as measured by the GAF scale. These results link GAD with anomalous decision-making and indicate that a potential problem in reinforcement representation may contribute to the severity of expression of their disorder.

Original languageEnglish (US)
Pages (from-to)351-356
Number of pages6
JournalPsychiatry Research
Volume237
DOIs
StatePublished - Mar 30 2016

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Anxiety Disorders
Decision Making
Punishment
Reward
Avoidance Learning
Reinforcement (Psychology)

Keywords

  • Decision-making
  • GAD
  • Global assessment of functioning
  • Passive avoidance
  • Punishment
  • Reward
  • Stimulus-reinforcement learning

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Abnormal decision-making in generalized anxiety disorder : Aversion of risk or stimulus-reinforcement impairment? / Teng, Cindy; Otero, Marcela; Geraci, Marilla; Blair, R. J.R.; Pine, Daniel S.; Grillon, Christian; Blair, Karina S.

In: Psychiatry Research, Vol. 237, 30.03.2016, p. 351-356.

Research output: Contribution to journalArticle

Teng, Cindy ; Otero, Marcela ; Geraci, Marilla ; Blair, R. J.R. ; Pine, Daniel S. ; Grillon, Christian ; Blair, Karina S. / Abnormal decision-making in generalized anxiety disorder : Aversion of risk or stimulus-reinforcement impairment?. In: Psychiatry Research. 2016 ; Vol. 237. pp. 351-356.
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