Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Autistic Trait Dimensions and Alcohol Use in College Attending Emerging Adults.

Substance use & misuse·2026
Same author

ABCD-ReproNim: An educational program for responsible and reproducible analyses of ABCD data.

Developmental cognitive neuroscience·2026
Same author

Human white matter tracts aligned with canonical functional brain networks.

bioRxiv : the preprint server for biology·2026
Same author

Habenula Alterations in Resting-State Functional Connectivity Among Autistic Individuals.

Biological psychiatry. Cognitive neuroscience and neuroimaging·2026
Same author

Neurosynth Compose: A web-based platform for flexible and reproducible neuroimaging meta-analysis.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Biomarkers.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026

Related Experiment Video

Updated: Apr 17, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

8.2K

Functional activation and effective connectivity differences in adolescent marijuana users performing a simulated

Ashley Acheson1, Kimberly L Ray2, Christina S Hines3

  • 1Department of Psychiatry, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA ; Research Imaging Institute, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA.

Journal of Addiction
|February 19, 2015
PubMed
Summary

Adolescent marijuana users show heightened brain activity when anticipating rewards and losses. Connectivity differences were subtle, suggesting altered neural processing in young marijuana consumers.

More Related Videos

Transcranial Direct Current Stimulation for Online Gamers
06:01

Transcranial Direct Current Stimulation for Online Gamers

Published on: November 9, 2019

8.7K
Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
13:08

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia

Published on: December 2, 2015

9.6K

Related Experiment Videos

Last Updated: Apr 17, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

8.2K
Transcranial Direct Current Stimulation for Online Gamers
06:01

Transcranial Direct Current Stimulation for Online Gamers

Published on: November 9, 2019

8.7K
Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
13:08

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia

Published on: December 2, 2015

9.6K

Area of Science:

  • Neuroscience
  • Psychiatry
  • Addiction Research

Background:

  • Adolescent marijuana use is linked to brain changes affecting memory and attention.
  • Previous research indicates potential alterations in cognitive functions.

Purpose of the Study:

  • To investigate neural processing in adolescent marijuana users during reward and loss anticipation.
  • To compare brain activity and connectivity between frequent adolescent marijuana users and nonuser controls.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to monitor brain activity.
  • Participants performed a simulated monetary reward/loss task.
  • Effective connectivity analyses examined neural network interactions.

Main Results:

  • Both marijuana users and controls showed brain activations in response to wins and losses.
  • Users exhibited greater activity in specific frontal regions, caudate, and claustrum during wins.
  • Users displayed increased activity in the cingulate cortex, insula, and other regions during losses.

Conclusions:

  • Adolescent marijuana users demonstrate enhanced neural responses to simulated rewards and losses.
  • Subtle differences in effective neural connectivity were observed, particularly during loss anticipation.