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Executive function deficits in short-term abstinent cannabis users.
Hum Psychopharmacol. 2008 Jul; 23(5):409-15.HP

Abstract

OBJECTIVES

Few cognitive tasks are adequately sensitive to show the small decrements in performance in abstinent chronic cannabis users. In this series of three experiments we set out to demonstrate a variety of tasks that are sufficiently sensitive to show differences in visual memory, verbal memory, everyday memory and executive function between controls and cannabis users.

METHODS

A series of three studies explored cognitive function deficits in cannabis users (phonemic verbal fluency, visual recognition and immediate and delayed recall, and prospective memory) in short-term abstinent cannabis users. Participants were selected using snowball sampling, with cannabis users being compared to a standard control group and a tobacco-use control group.

RESULTS

The cannabis users, compared to both control groups, had deficits on verbal fluency, visual recognition, delayed visual recall, and short- and long-interval prospective memory. There were no differences for immediate visual recall.

CONCLUSIONS

These findings suggest that cannabis use leads to impaired executive function. Further research needs to explore the longer term impact of cannabis use.

Authors+Show Affiliations

Brain, Behaviour and Cognition Group, Sheffield Hallam University, UK. s.l.mchale@shu.ac.ukNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

18421794

Citation

McHale, Sue, and Nigel Hunt. "Executive Function Deficits in Short-term Abstinent Cannabis Users." Human Psychopharmacology, vol. 23, no. 5, 2008, pp. 409-15.
McHale S, Hunt N. Executive function deficits in short-term abstinent cannabis users. Hum Psychopharmacol. 2008;23(5):409-15.
McHale, S., & Hunt, N. (2008). Executive function deficits in short-term abstinent cannabis users. Human Psychopharmacology, 23(5), 409-15. https://doi.org/10.1002/hup.941
McHale S, Hunt N. Executive Function Deficits in Short-term Abstinent Cannabis Users. Hum Psychopharmacol. 2008;23(5):409-15. PubMed PMID: 18421794.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Executive function deficits in short-term abstinent cannabis users. AU - McHale,Sue, AU - Hunt,Nigel, PY - 2008/4/19/pubmed PY - 2008/8/1/medline PY - 2008/4/19/entrez SP - 409 EP - 15 JF - Human psychopharmacology JO - Hum Psychopharmacol VL - 23 IS - 5 N2 - OBJECTIVES: Few cognitive tasks are adequately sensitive to show the small decrements in performance in abstinent chronic cannabis users. In this series of three experiments we set out to demonstrate a variety of tasks that are sufficiently sensitive to show differences in visual memory, verbal memory, everyday memory and executive function between controls and cannabis users. METHODS: A series of three studies explored cognitive function deficits in cannabis users (phonemic verbal fluency, visual recognition and immediate and delayed recall, and prospective memory) in short-term abstinent cannabis users. Participants were selected using snowball sampling, with cannabis users being compared to a standard control group and a tobacco-use control group. RESULTS: The cannabis users, compared to both control groups, had deficits on verbal fluency, visual recognition, delayed visual recall, and short- and long-interval prospective memory. There were no differences for immediate visual recall. CONCLUSIONS: These findings suggest that cannabis use leads to impaired executive function. Further research needs to explore the longer term impact of cannabis use. SN - 1099-1077 UR - https://www.unboundmedicine.com/medline/citation/18421794/Executive_function_deficits_in_short_term_abstinent_cannabis_users_ L2 - https://doi.org/10.1002/hup.941 DB - PRIME DP - Unbound Medicine ER -