Table 4.

Cognitive tests reported to be sensitive in detecting subtle changes in Parkinson’s disease

Cognitive domain	Test	Author
Visuoperception impairment	Visuoconstructional ability, eg, Rey-Osterrieth Complex Figure	Freeman et al 2000
	Visuospatial, eg, Raven’s Progressive Matrices	Farina et al 2000
	Face recognition memory	Levin et al 1989; Levin 1990;
		Haeske-Dewick 1996; Cousins et al 2000
	Spatial memory	Levin 1990; Pillon et al 1996;
		Giraudo et al 1997; Pillon et al 1997;
		Postle, Jonides, et al 1997;
		Postle, Locascio, et al 1997
Learning and memory deficits	Procedural learning	Vakil and Herishanu-Naaman 1998;
		Koenig et al 1999
	Incidental (not intentional) new learning of verbal material	Ivory et al 1999
	Delayed recognition memory	Stebbins et al 1999
	Explicit memory	Appollonio et al 1994
	Free recall	Breen 1993
Attentional deficits	Disinhibition of automatic word reading	Henik et al 1993
	Attentional set-shifting ability	Owen et al 1992
General cognitive test	Weschler Adult Intelligence Scale–Revised as a Neuropsychological Instrument (WAIS-RNI)	Peavy et al 2001