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Updated: Aug 5, 2025

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Chronic cannabis use and error awareness: The effect on learning from errors.

Gezelle Dali1, Antoinette Poulton1, Robert Hester1

  • 1Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, VIC, Australia.

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Summary
This summary is machine-generated.

Cannabis use may not impact overall performance monitoring, but earlier onset and heavier use are linked to impaired learning from errors, potentially affecting treatment outcomes.

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Cannabis is a widely used substance with potential negative impacts on performance monitoring.
  • The influence of diminished error awareness on adaptive behavior in cannabis users remains unclear.

Purpose of the Study:

  • To investigate the effect of error awareness on learning from errors in chronic cannabis users.
  • To determine if cannabis use characteristics predict error correction abilities.

Main Methods:

  • A Go/No-Go task was administered to 36 chronic cannabis users and 34 controls.
  • Multilevel models analyzed the relationship between error awareness, error correction, and cannabis use measures.

Main Results:

  • No significant differences in error awareness or correction rates were found between groups.
  • Earlier age of cannabis use onset and higher cannabis use index scores were associated with reduced error correction after aware errors.

Conclusions:

  • Overall cannabis use may not strongly correlate with performance monitoring deficits.
  • Specific aspects of cannabis use, like early onset and frequency, predict impaired learning from errors, which could impact treatment success.