COMT val108/158 met genotype affects neural but not cognitive processing in healthy individuals.
Dennis NA, Need AC, LaBar KS, Waters-Metenier S, Cirulli ET, Kragel J, Goldstein DB, Cabeza R. COMT val108/158 met genotype affects neural but not cognitive processing in healthy individuals. Cereb Cortex. 2010 Mar; 20(3):672-83.