Evidence map›Paper›PMID 26507433›Full record

ArticleDevelopmental cognitive neuroscience2015

Preliminary findings demonstrating latent effects of early adolescent marijuana use onset on cortical architecture.

Francesca M Filbey, Tim McQueeny, Samuel J DeWitt, Virendra Mishra

Open access · goldAbstract read
In one paragraph

Article in Developmental cognitive neuroscience, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 4 pooled it
7.6field-weighted citation impact, top 2% 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

37 citing papers in PubMed, 4 syntheses or guidelines pooled it, 70 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Pooled it
  5. Trial
  6. Review
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. The contributions of the endocannabinoid system and stress on the neural processing of reward stimuli.Progress in neuro-psychopharmacology & biological psychiatry · 2021
    Article
  13. Which came first: Cannabis use or deficits in impulse control?Progress in neuro-psychopharmacology & biological psychiatry · 2021
    Review
  14. Article
  15. Review
  16. Article
  17. The Development of Impulsivity and Sensation Seeking: Associations with Substance Use among At-Risk Adolescents.Journal of research on adolescence : the official journal of the Society for Research on Adolescence · 2020
    Article
  18. Article
  19. Article
  20. Article
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

4 authors at 1 institution in 1 country.

Francesca M FilbeyCenter for BrainHealth, School of Behavioral and Brain Sciences, The University of Texas at Dallas, United States. Electronic address: Francesca.Filbey@utdallas.edu.
Tim McQueenyCenter for BrainHealth, School of Behavioral and Brain Sciences, The University of Texas at Dallas, United States.
Samuel J DeWittCenter for BrainHealth, School of Behavioral and Brain Sciences, The University of Texas at Dallas, United States.
Virendra MishraAdvance MRI, LLC, Frisco, TX, United States.
The University of Texas at Dallas · US

Funding

Genetic and Environmental Modulators of the Brain's Response to Marijuana CuesR01DA030344 · NIDA · UNIVERSITY OF TEXAS DALLAS · PI FILBEY, FRANCESCA · 2012 to 2016
$2.4M
The Effects of CNR1 on Brain Function in Cannabis UsersK01DA021632 · NIDA · UNIVERSITY OF TEXAS DALLAS · PI FILBEY, FRANCESCA · 2007 to 2011
$931k
NIDA NIH HHS K01 DA021632NIDA NIH HHS R01 DA030344
6 · The paper itself

Abstract

backgroundAs the most commonly used illicit substance during early adolescence, long-term or latent effects of early adolescent marijuana use across adolescent developmental processes remain to be determined.

methodsWe examined cortical thickness, gray/white matter border contrast (GWR) and local gyrification index (LGI) in 42 marijuana (MJ) users. Voxelwise regressions assessed early-onset (age <16) vs. late-onset (≥16 years-old) differences and relationships to continued use while controlling for current age and alcohol use.

resultsAlthough groups did not differ by onset status, groups diverged in their correlations between cannabis use and cortical architecture. Among early-onset users, continued years of MJ use and current MJ consumption were associated with thicker cortex, increased GWR and decreased LGI. Late-onset users exhibited the opposite pattern. This divergence was observed in all three morphological measures in the anterior dorsolateral frontal cortex (p<.05, FWE-corrected).

conclusionsDivergent patterns between current MJ use and elements of cortical architecture were associated with early MJ use onset. Considering brain development in early adolescence, findings are consistent with disruptions in pruning. However, divergence with continued use for many years thereafter suggests altered trajectories of brain maturation during late adolescence and beyond.

Indexed as

AdolescentAge of OnsetAgingAlcoholismBrainCerebral CortexCross-Sectional StudiesFemaleGray MatterHumansMagnetic Resonance ImagingMaleMarijuana AbuseWhite MatterAdolescenceCortical thicknessFreeSurferGyrificationMarijuanaMorphology

Identifiers

PMID26507433
PMCPMC4691364
OpenAlexW2187858528

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.