Evidence map›Paper›PMID 35578884›Full record

ArticleCNS & neurological disorders drug targets2025

Heavy and Chronic Cannabis Addiction does not Impact Motor Function: A BOLD-fMRI Study.

Saïd Boujraf, Badreeddine Alami, Mohamed Chikri, Halima El Hamdaoui, Mustapha Maaroufi, Rachid Aalouane, Ismail Rammouz

Abstract read
PubMed Publisher
In one paragraph

Article in CNS & neurological disorders drug targets, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact, top 95% of its field
1 · What the graph read from it

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed, 1 citations in OpenAlex.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Saïd BoujrafDepartment of Biophysics and Clinical MRI Methods, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.ORCID 0000-0001-8298-6464
Badreeddine AlamiDepartment of Biophysics and Clinical MRI Methods, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.
Mohamed ChikriClinical Neuroscience Laboratory, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.
Halima El HamdaouiDepartment of Biophysics and Clinical MRI Methods, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.
Mustapha MaaroufiClinical Neuroscience Laboratory, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.
Rachid AalouaneClinical Neuroscience Laboratory, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.
Ismail RammouzClinical Neuroscience Laboratory, Faculty of Medicine of Fez, Sidi Mohamed ben Abdellah University, Fez, Morocco.
Agence pour le Développement et la Réhabilitation de la Ville de Fès · MAUniversité Ibn Zohr · MA

Funding

University Hospital of Fez, Morocco 33/112016
6 · The paper itself

Abstract

objectiveThe goal of this to demonstrate the impact of heavy and chronic cannabis use on brain potential functional control, reorganization, and plasticity in the cortical area.

methods23 cannabis users were convened in 3 groups of users. The first group included 11 volunteers with an average of 15 joins/day; the second group included 6 volunteers with an average of 1.5 joins/day; the third group included 6 volunteers with an average of 2.8 joins/week. Besides, 6 healthy volunteers in the control group, All healthy and cannabis users underwent identical brain BOLD-fMRI assessments of their motor function. Besides, neuropsychological and full biological assessments were achieved.

resultsBOLD-fMRI maps of motor areas were obtained, including quantitative evaluation of the activations in the motor area. A statistical analysis of various groups was achieved.

conclusionGroups of chronic cannabis addiction of varying level of use were setup. Namely heavy, moderate and low users groups; doses have been shown to have systematically equivalent effects on the control of brain motor function. Indeed, the BOLD-fMRI shows a remarkable sensitivity to brain plasticity and reorganization of the functional motor control of the studied cortical area, and such variation was not shown. Specific elucidation of the effect of cannabis effect in this unique function should clarify further protective pharmacological effects. This might illuminate the use of neuronal resources to prepare processes for pharmacological use and pharmaceutical forms. This suggests exploring any potential cannabis pharmaceutical form in diseases involving motor impairments.

Indexed as

BrainMarijuana AbuseMotor ActivityAdultBrain MappingFemaleHumansMagnetic Resonance ImagingMaleMotor CortexNeuropsychological TestsOxygenYoung AdultOxygenBOLD-fMRIcannabis addictionchronicHeavymotor functionmotor impairments.

Identifiers

PMID35578884
OpenAlexW4280563489

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.