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 Experiment Videos

Midbrain dopamine and prefrontal function in humans: interaction and modulation by COMT genotype.

Andreas Meyer-Lindenberg1, Philip D Kohn, Bhaskar Kolachana

  • 1Section on Integrative Neuroimaging, National Institute for Mental Health, National Institutes of Health, Department of Health and Human Services, 9000 Rockville Pike, Bethesda, Maryland 20892-1365, USA. andreasml@nih.gov

Nature Neuroscience
|April 12, 2005
PubMed
Summary

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

Correction: "There's no representation": a qualitative study of attitudes and motivations towards genomic research participation among Australian South Asians.

European journal of human genetics : EJHG·2026
Same author

"There's no representation": a qualitative study of attitudes and motivations towards genomic research participation among Australian South Asians.

European journal of human genetics : EJHG·2026
Same author

Preparing healthcare providers to use polygenic risk scores: a qualitative study of learning needs and educational preferences.

BMJ open·2026
Same author

MITF E318K naevus phenotype: The modifying role of MC1R red hair variants.

The Journal of investigative dermatology·2026
Same author

How Has the Rise of Direct-To-Consumer Genetic Testing Impacted Genetic Counselling Practice? A Scoping Review.

Clinical genetics·2026
Same author

Population-Based Melanoma Screening Using Integrated Risk Scores in Australia: A Narrative Review to Determine Readiness.

The Medical journal of Australia·2026

Genetic variations in the COMT enzyme impact dopamine synthesis in the midbrain, influencing prefrontal cortex activity. This reveals a key dopamine-driven mechanism affecting brain function and associated cognitive conditions.

Area of Science:

  • Neuroscience
  • Genetics
  • Neuroimaging

Background:

  • The catecholamine-O-methyltransferase (COMT) enzyme regulates dopamine levels, particularly in the prefrontal cortex.
  • Genetic variations in COMT are linked to cognitive function and neuropsychiatric disorders.

Purpose of the Study:

  • To investigate the interaction between prefrontal cortex activity and midbrain dopaminergic synthesis.
  • To examine the effect of a common COMT gene variant on this interaction.

Main Methods:

  • Multimodal neuroimaging techniques were employed in human participants.
  • Genetic analysis focused on the V108/158M polymorphism in the COMT gene.

Main Results:

  • A specific COMT genotype (Val/Val) was associated with reduced dopamine synthesis in the midbrain.

Related Experiment Videos

  • This genetic variation altered the functional interaction between the midbrain and the prefrontal cortex.

    • Conclusions:

    • The findings suggest a dopaminergic tuning mechanism within the prefrontal cortex.
    • This highlights a systems-level neurobiological basis for the association between COMT and cognitive/neuropsychiatric conditions.