Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Neuropsychological function and delay discounting in methamphetamine-dependent individuals.

William F Hoffman1, Meredith Moore, Raymond Templin

  • 1Mental Health and Clinical Neurosciences Division and Methamphetamine Abuse Research Center P35C, Veterans Affairs Medical Center, and Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR 97239, USA. hoffmanw@ohsu.edu

Psychopharmacology
|August 18, 2006
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Surgical Interventions for the Treatment of Hidradenitis Suppurativa: A Systematic Review of Surgical Impact on DLQI.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]·2026
Same author

Spotlight in Plastic Surgery: July 2026.

Plastic and reconstructive surgery·2026
Same author

A Systematic Review of Medicolegal Social Media Related Issues in Plastic Surgery.

Aesthetic surgery journal·2026
Same author

Mitigating Hair Loss Among Scalp Laceration Repair Techniques: Review of the Literature.

Eplasty·2025
Same author

Genome-wide association study of delay discounting in Heterogeneous Stock rats.

Genes, brain, and behavior·2024
Same author

Environmental enrichment promotes adaptive responding during tests of behavioral regulation in male heterogeneous stock rats.

Scientific reports·2024

Methamphetamine dependence is linked to increased impulsivity and memory deficits. These findings suggest impulsivity may cause memory impairment in individuals with methamphetamine dependence.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Psychology

Background:

  • Methamphetamine (MA) dependence causes significant neuropsychiatric issues.
  • Chronic MA users often exhibit psychiatric and cognitive impairments.

Purpose of the Study:

  • To compare psychiatric and cognitive functioning, including decision-making, between MA-dependent individuals and controls.
  • To investigate impulsive decision-making in MA dependence.

Main Methods:

  • 41 abstinent MA-dependent individuals and 41 controls were assessed.
  • Standardized scales measured psychiatric symptoms.
  • Neuropsychological tests and a delay discounting task assessed cognitive function and impulsivity.

Main Results:

Related Experiment Videos

  • MA group reported more psychiatric symptoms and showed impairments in delayed memory recall and verbal learning.
  • MA users exhibited greater impulsivity, discounting delayed rewards more than controls.
  • Impulsivity correlated with memory impairment in the MA group.

Conclusions:

  • Individuals dependent on MA demonstrate heightened impulsivity.
  • Increased impulsivity may be causally linked to memory deficits in MA dependence.
  • Impulsivity was not associated with other cognitive impairments or drug use history.