. Author manuscript; available in PMC: 2012 Dec 1.

Published in final edited form as: Neuroscientist. 2012 Feb 24;18(5):439–451. doi: 10.1177/1073858411431646

Table 3.

Additional Cognition Studies

Author	Task	Findings for Met Carriers Compared to VV	Memory/Cognitive Function	Total Number of Subjects
Tsai (2004)	Wechsler Adult Intelligence Scale–Revised	Lower score	Performance IQ	114
Gong (2009)	Recall of three-digit numbers	Decrease	Digital working memory	711
	Localization, mental rotation, touching blocks, Gestalt picture	Decrease	Spatial localization ability
Foltynie (2005)	Tower of London	Met allele associated with better performance	Planning ability	291
Guerini (2009)	Mini-Mental State Examination	Cognitive impairment	Cognition	527

VV = Val/Val.