Abstract:
:Using multimodal neuroimaging in humans, we demonstrate specific interactions between prefrontal activity and midbrain dopaminergic synthesis. A common V(108/158)M substitution in the gene for catecholamine-O-methyltransferase (COMT), an important enzyme regulating prefrontal dopamine turnover, predicted reduced dopamine synthesis in midbrain and qualitatively affected the interaction with prefrontal cortex. These data implicate a dopaminergic tuning mechanism in prefrontal cortex and suggest a systems-level mechanism for cognitive and neuropsychiatric associations with COMT.
journal_name
Nat Neuroscijournal_title
Nature neuroscienceauthors
Meyer-Lindenberg A,Kohn PD,Kolachana B,Kippenhan S,McInerney-Leo A,Nussbaum R,Weinberger DR,Berman KFdoi
10.1038/nn1438subject
Has Abstractpub_date
2005-05-01 00:00:00pages
594-6issue
5eissn
1097-6256issn
1546-1726pii
nn1438journal_volume
8pub_type
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