Evidence map›Paper›PMID 24200211›Full record

ArticleThe American journal of drug and alcohol abuse2013

Functional connectivity and cannabis use in high-risk adolescents.

Jon M Houck, Angela D Bryan, Sarah W Feldstein Ewing

Open access · greenAbstract read
In one paragraph

Article in The American journal of drug and alcohol abuse, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 3 pooled it
2.0field-weighted citation impact, top 14% 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

30 citing papers in PubMed, 3 syntheses or guidelines pooled it, 51 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Trial
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  8. Chronic ΔNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Article
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  15. Working memory capacity and addiction treatment outcomes in adolescents.The American journal of drug and alcohol abuse · 2018
    Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Building smart cannabis policy from the science up.The International journal on drug policy · 2017
    Review
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

3 authors at 3 institutions in 1 country.

Jon M HouckMind Research Network, Albuquerque, NM, USA .
Angela D Bryan
Sarah W Feldstein Ewing
Mind Research Network · USUniversity of Colorado Boulder · USUniversity of New Mexico · US

Funding

Adolescent decision making and HIV risk avoidance: Neurocognitive factorsR01NR013332 · NINR · UNIVERSITY OF NEW MEXICO · PI BRYAN, ANGELA, FELDSTEIN EWING, SARAH W. · 2011 to 2015
$2.7M
Imaging Brain Activity in Substance Use TreatmentK01AA021431 · NIAAA · UNIVERSITY OF NEW MEXICO · PI HOUCK, JON M. · 2013 to 2017
$837k
NIAAA NIH HHS K01 AA021431NIDA NIH HHS L30 DA034353NINR NIH HHS R01 NR013332
6 · The paper itself

Abstract

backgroundAdolescence is a unique neurodevelopmental period when regions of the brain most able to assess risk and reward are still in development. Cannabis use during adolescence has been associated with persistent negative outcomes. Although measures of resting brain activity are useful in assessing functional connectivity, such measures have not been broadly applied in adolescent cannabis-users.

objectivesThe goal of the present study was to analyze the associations between cannabis use and resting brain activity in a sample of high-risk adolescents.

methodsEighty-two high-risk youth between 14-18 years old were recruited from a juvenile justice day program. Youth completed a brief neurocognitive battery including assessments of cannabis use and a 5-minute resting functional magnetic resonance imaging (fMRI) scan. Intrinsic connectivity networks were extracted using the GIFT toolbox. Brain activity in a fronto-temporal network was compared in youth with high cannabis use vs. low cannabis use using an independent-samples t-test with alcohol use entered as a covariate.

resultsAnalysis revealed two elements within the fronto-temporal network related to cannabis use: one in middle frontal gyrus related to high cannabis use, and one in middle temporal gyrus related to low cannabis use. Only the frontal source survived application of a cluster size threshold and was significant at p < 0.005.

conclusionsThese results are consistent with patterns of activity in adult cannabis-users. The observed effect may reflect either pre-existing risk factors or near-term consequences of cannabis use. Prevention and intervention strategies that address fronto-temporal functioning may be particularly helpful in this population.

Indexed as

Magnetic Resonance ImagingAdolescentBrainFemaleHumansJuvenile DelinquencyMaleMarijuana SmokingNeuropsychological TestsRisk Factors

Identifiers

PMID24200211
PMCPMC4070738
OpenAlexW2010398686

What OpenQuestion holds

Textmetadata
LicenceTDM
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.