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Related Experiment Videos

Effect of hashish on vigilance performance

T Bahri1, T Amir

  • 1Department of Psychology, United Arab Emirates University, El Ain.

Perceptual and Motor Skills
|February 1, 1994
PubMed
Summary

Hashish use impairs visual attention, leading to more false alarms in users compared to controls. Vigilance tasks are crucial for assessing hashish

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Hashish is a cannabis derivative with psychoactive properties.
  • Understanding the cognitive effects of hashish use is important for public health.
  • Sustained attention, or vigilance, is a critical cognitive function potentially impacted by substance use.

Purpose of the Study:

  • To investigate the impact of hashish use on visual sustained attention (vigilance).
  • To compare the performance of hashish users and non-users on a vigilance task.

Main Methods:

  • A group of 11 hashish users was compared to 11 controls.
  • Participants completed a visual sustained attention (vigilance) task.
  • Performance metrics, including false alarm rates, were analyzed.

Main Results:

  • Hashish users exhibited altered sensitivity on the vigilance task.
  • Hashish users made significantly more false alarms (8.7) than controls (2.6).
  • These findings suggest indiscriminate responding in hashish users.

Conclusions:

  • Hashish use negatively affects visual sustained attention.
  • Vigilance assessment is a valuable tool for detecting adverse cognitive effects of hashish.
  • Further research is needed to understand the long-term cognitive consequences of hashish consumption.

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