TABLE 1.

Summary of cognitive measures under different task conditions.

	Paper-and-pencil	NIH examiner battery	Salthouse and colleagues
Executive function	Phonemic fluency Trial making test (Part B) WAIS III – Matrix reasoning WAIS III – Block design Wisconsin card sorting Test	Continuous performance test Set shifting test Flanker test Anti-saccade test	Paper folding Letter set Matrix reasoning
Processing speed	Grooved pegboard WAIS-R digit symbol		Digit symbol Letter comparison Pattern comparison Trial making test (Part A)
Memory	Selective reminding test		Logical memory Paired associates Word order
Language	AMNART WTAR WAIS-R vocabulary Animal fluency		Synonyms Antonyms Picture naming