ReviewBrain sciences2020
A Systematic Review of Human Neuroimaging Evidence of Memory-Related Functional Alterations Associated with Cannabis Use Complemented with Preclinical and Human Evidence of Memory Performance Alterations.
Review in Brain sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
19 citing papers in PubMed.
- Acute effects of different types of cannabis on young adult and adolescent resting-state brain networks.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2024Trial
- Changing Patterns of Recent Substance Use in Emerging Adulthood and Their Associations With Cognitive Functions and Mental Health.Biological psychiatry global open science · 2026Article
- Long-Acting Naltrexone Restores Network Connectivity in Subjects With Comorbid Cannabis and Opioid Use Disorder.Addiction biology · 2026Article
- What Do Thirty Years of Neuroimaging Research Tell Us About Recreational Cannabis Use and Brain Integrity? A Narrative Review of the Multimodal Neuroimaging Evidence to Date.Substance abuse and rehabilitation · 2026Review
- Cannabinoid type 1 receptors in the mice prefrontal cortex regulate object location memory acquisition via GABAergic neurons.Behavioral and brain functions : BBF · 2025Article
- Long-acting naltrexone restores network connectivity in subjects with co-morbid cannabis and opioid use disorder.bioRxiv : the preprint server for biology · 2025Article
- Sex Differences in the Association Between Cumulative Use of Cannabis and Cognitive Function in Middle Age: The Coronary Artery Risk Development in Young Adults Study.Cannabis and cannabinoid research · 2024Article
- Motives for Cannabis Use and Risky Decision Making Influence Cannabis Use Trajectories in Teens.Brain sciences · 2023Article
- Cannabis use and episodic memory performance among adolescents: Moderating effects of depression symptoms and sex.Journal of the International Neuropsychological Society : JINS · 2023Article
- Ratings of executive function as a risk factor for adolescents' frequent cannabis use: A prospective longitudinal study.Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors · 2023Article
- How do cannabis users mentally travel in time? Evidence from an fMRI study of episodic future thinking.Psychopharmacology · 2022Article
- Wonder or evil?: Multifaceted health hazards and health benefits ofSaudi journal of biological sciences · 2021Review
- Repetitive transcranial magnetic stimulation as a potential treatment approach for cannabis use disorder.Progress in neuro-psychopharmacology & biological psychiatry · 2021Review
- Preliminary Evidence for Cannabis and Nicotine Urinary Metabolites as Predictors of Verbal Memory Performance and Learning Among Young Adults.Journal of the International Neuropsychological Society : JINS · 2021Article
- Increased Likelihood of Falling in Older Cannabis Users vs. Non-Users.Brain sciences · 2021Article
- Down and High: Reflections Regarding Depression and Cannabis.Frontiers in psychiatry · 2021Review
- Implications of Medical and Recreational Marijuana Laws for Neuroscience Research: a Review.Current behavioral neuroscience reports · 2020Article
- Cannabis: Neuropsychiatry and Its Effects on Brain and Behavior.Brain sciences · 2020Article
- Cannabis Legalization and Acute Harm From High Potency Cannabis Products: A Narrative Review and Recommendations for Public Health.Frontiers in psychiatry · 2020Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
Abstract
Cannabis has been associated with deficits in memory performance. However, the neural correlates that may underpin impairments remain unclear. We carried out a systematic review of functional magnetic resonance imaging (fMRI) studies investigating brain functional alterations in cannabis users (CU) compared to nonusing controls while performing memory tasks, complemented with focused narrative reviews of relevant preclinical and human studies. Twelve studies employing fMRI were identified finding functional brain activation during memory tasks altered in CU. Memory performance studies showed CU performed worse particularly during verbal memory tasks. Longitudinal studies suggest that cannabis use may have a causal role in memory deficits. Preclinical studies have not provided conclusive evidence of memory deficits following cannabinoid exposure, although they have shown evidence of cannabinoid-induced structural and histological alteration. Memory performance deficits may be related to cannabis use, with lower performance possibly underpinned by altered functional activation. Memory impairments may be associated with the level of cannabis exposure and use of cannabis during developmentally sensitive periods, with possible improvement following cessation of cannabis use.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.