Ontology highlight
ABSTRACT:
SUBMITTER: Nagel IE
PROVIDER: S-EPMC2525971 | biostudies-literature | 2008
REPOSITORIES: biostudies-literature
Nagel Irene E IE Chicherio Christian C Li Shu-Chen SC von Oertzen Timo T Sander Thomas T Villringer Arno A Heekeren Hauke R HR Bäckman Lars L Lindenberger Ulman U
Frontiers in human neuroscience 20080503
We demonstrate that common genetic polymorphisms contribute to the increasing heterogeneity of cognitive functioning in old age. We assess two common Val/Met polymorphisms, one affecting the Catechol-O-Methyltransferase (COMT) enzyme, which degrades dopamine (DA) in prefrontal cortex (PFC), and the other influencing the brain-derived neurotrophic factor (BDNF) protein. In two tasks (Wisconsin Card Sorting and spatial working memory), we find that effects of COMT genotype on cognitive performance ...[more]