Table 1. Neurobehavioral functions assessed and the tests administered for both cohorts (2005 and 2009).

Functions	Tests	2005	2009	Format
Memory	Match To Sample; MTS a		√	Computer
	Serial Digit Learning; SDL a		√	Computer
	Benton Visual Retention; BVRT b	√	√	Paper-pencil
Attention/Short memory	WAIS-R Digit Span; DS b	√		Paper-pencil
	Digit Span Test; DST a		√	Computer
	WAIS-R Arithmetic b	√		Paper-pencil
Sustained Attention	Continuous Performance; CPT a		√	Computer
Motor Speed/Coordination	Finger Tapping; TAP a		√	Computer
Information Processing Speed	Simple Reaction; SRT a		√	Computer
Visual Motor	WAIS-R Digit Symbol b		√	Paper-pencil
	Symbol Digit; SDT a		√	Computer
	Trail Making A & B b	√	√	Paper-pencil
Perception	WAIS-R Block Design b	√	√	Manual