The NOS1 variant rs6490121 is associated with variation in prefrontal function and grey matter density in healthy individuals. - Emma J. Rose 002; Ciara M. Greene; Sinead Kelly; Derek W. Morris; Ian H. Robertson; Ciara Fahey; Sarah Jacobson; John P. O'Doherty; Fiona N. Newell; Jane McGrath; Arun L. W. Bokde; Hugh Garavan; et al. (NeuroImage, 2012)