Effects of Cannabis Use on Neurocognition: A Scoping Review of MRI Studies.

IF 2.1 4区 医学 Q2 PSYCHOLOGY, CLINICAL
Dima Audi, Shorouk Hajeer, Marie-Belle Saab, Lea Saab, Hayat Harati, Alban Desoutter, Elie Al Ahmar, Elias Estephan
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Abstract

Cannabis is one of the most commonly utilized recreational drugs. However, increasing evidence from the literature suggests harmful implications on cognition. Thus, the main aim of the current review is to summarize literature findings pertaining to the impact of cannabis on neurocognitive skills, focusing on the imaging biomarkers provided by MRI. Two reviewers navigated the literature independently using four main search engines including PubMed and Cochrane. Articles were first evaluated through their title and abstract, followed by full-text assessment. Study characteristics and findings were extracted, and the studies' quality was appraised. 47 articles were included. The majority of the studies were of a case-control design (66%), and the most studied neurocognitive skill was memory (40.4%). With task-based fMRI being the most commonly utilized MRI technique, findings have shown significantly varying decreased and increased neuronal activity within brain regions associated with the cognitive tasks performed. Results suggest that cannabis users are significantly suffering from cognitive deficits. The major significance of this review is attributed to highlighting the role of MRI. Future research needs to delve more into validating the negative effects of cannabis, to enable stakeholders to take action to limit cannabis usage, to foster public health and wellbeing.

吸食大麻对神经认知的影响:核磁共振成像研究范围综述》。
大麻是最常用的娱乐性药物之一。然而,越来越多的文献证据表明大麻对认知能力产生有害影响。因此,本综述的主要目的是总结有关大麻对神经认知能力影响的文献发现,重点关注核磁共振成像提供的成像生物标志物。两位审稿人使用 PubMed 和 Cochrane 等四个主要搜索引擎独立浏览了相关文献。首先通过标题和摘要对文章进行评估,然后进行全文评估。提取研究特征和结果,并对研究质量进行评估。共纳入 47 篇文章。大部分研究采用病例对照设计(66%),研究最多的神经认知技能是记忆(40.4%)。基于任务的 fMRI 是最常用的磁共振成像技术,研究结果表明,与所执行的认知任务相关的大脑区域内的神经元活动明显减少和增加。结果表明,大麻使用者在认知方面存在明显缺陷。本综述的主要意义在于强调核磁共振成像的作用。未来的研究需要更深入地验证大麻的负面影响,以便利益相关者采取行动限制大麻的使用,促进公众健康和福祉。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
5.30
自引率
7.10%
发文量
62
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