Neuropsychological effects of cannabis use by continent and age: a systematic review. · PMID 42293941

Venero-Hidalgo L, Carvajal F, Rodríguez de Fonseca F, Villanueva-Blasco VJ.

Study design: Systematic review
Population / model: Not indexed
Published: 2026-05-28
Journal: Frontiers in psychology

From the author abstract

“Twenty-two studies met the inclusion criteria. Across the included studies, memory-related impairments were the most consistent findings, particularly in episodic and working …”

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Figures from the paper

Figure 1: PRISMA flow diagram of the study selection process. — **Figure 1** PRISMA flow diagram of the study selection process.Venero-Hidalgo L, Carvajal F, Rodríguez de Fonseca F, Villanueva-Blasco VJ. Frontiers in psychology (2026). Original figure · CC BY · Resized for display.

Figure 2: Review of evidence for effect of cannabis use on cognitive function as a function of geographical area and age. Level of evidence was expressed as the numbers o — **Figure 2** Review of evidence for effect of cannabis use on cognitive function as a function of geographical area and age. Level of evidence was expressed as the numbers of studies evidencing a negative effect of cannabis use against the total number of studies. The color coding system employed to denote the quality of the evidence is as follows: red, yellow and green represent low, moderate-high and high methodological quality of the study, respectively (see text for more details).Venero-Hidalgo L, Carvajal F, Rodríguez de Fonseca F, Villanueva-Blasco VJ. Frontiers in psychology (2026). Original figure · CC BY · Resized for display.

Citation and indexing details

PMID 42293941 · PMC13253619

Publication types: Journal Article; Systematic Review

Topic tags: Psychiatry & cognition

Metadata checked 2026-11-04. Study design and model tags follow indexing and explicit abstract terms. Citation counts are not evidence of benefit. An available full text does not by itself permit image reuse.