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Failure to utilize feedback during explicit decision-making task in alcohol-dependent patients.

B N Roopesh1, Manoj K Sharma1, Saswatika Tripathy2

  • 1Department of Clinical Psychology, National Institute of Mental Health and Neurosciences, Bengaluru, Karnataka, India.

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|February 20, 2018
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Summary

Patients with alcohol-dependent syndrome (ADS) exhibit impaired decision-making, even with clear feedback. This study highlights deficits in executive function, specifically decision-making, among individuals with alcohol dependence.

Keywords:
Alcohol-dependent syndromeexplicit gambling taskgambling paradigmsiblings of alcohol dependents

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Area of Science:

  • Neuroscience
  • Psychology
  • Addiction Research

Background:

  • Alcohol-dependent syndrome (ADS) is associated with executive function (EF) deficits.
  • Decision-making is consistently impaired in individuals with alcohol dependence compared to controls.
  • Traditional gambling tasks for assessing decision-making in ADS can be ambiguous and lack real-world relevance.

Purpose of the Study:

  • To compare decision-making abilities between male patients with ADS and their non-dependent siblings.
  • To investigate the role of sensation seeking in decision-making among individuals with ADS.
  • To evaluate decision-making using an explicit gambling task (EGT) with unambiguous feedback.

Main Methods:

  • A cohort of 26 male patients with ADS (P-ADS) and 26 non-dependent male siblings were assessed.
  • Participants completed measures of sensation seeking.
  • Decision-making was evaluated using the explicit gambling task (EGT), which provides explicit and continuous feedback.

Main Results:

  • No significant relationship was found between decision-making variables and sensation seeking.
  • Patients with ADS demonstrated significantly poorer decision-making compared to their non-dependent siblings.
  • Impaired decision-making persisted despite the unambiguous and explicit nature of the EGT feedback.

Conclusions:

  • Alcohol dependence is linked to persistent decision-making deficits, independent of sensation seeking.
  • The findings suggest that individuals with ADS struggle with decision-making even when presented with clear, explicit information.
  • This research offers insights into the neurobiological underpinnings of impaired decision-making in alcohol addiction.