Table 1.

Rotated Factor Pattern From Principal Components Analysis.

Neuropsychological battery item	Factor
	Processing speed	Executive function	Memory/Language
RAVLT—List A Trial 1 recall	−7	29	55*
RAVLT—Total recall Trials 1-5	13	18	78*
RAVLT—List A, short-delay recall	19	6	79*
RAVLT—List A, long-delay recall	8	9	75*
Logical Memory I, Total Recall	3	18	78*
Logical Memory II, Total Recall	3	12	82*
Logical Memory II, Recognition Total	3	13	74*
Rey—Osterrieth, Copy	15	27	11
Rey—Osterrieth, 3-minute recall	15	33	41*
Boston Naming Test	9	37	42*
FAS, Total	18	49*	16
Animals, Total	33	18	56*
Stroop Word, Total Correct	57*	35	7
Stroop Color, Total Correct	70*	26	10
Stroop Color-Word, Total Correct	64*	31	12
Trail Making Test A, completion time	60*	10	14
Trail Making Test B, completion time	56*	33	35
Coding, Total	67*	14	13
Digit Span—Longest sequence forward	−5	79*	8
Digit Span—Longest sequence backward	14	73*	25
Digit Span—Longest sequence sequencing	11	68*	16
Digit Span Forward (raw score)	−2	83*	10
Digit Span Backward (raw score)	15	78*	18
Digit Span Sequencing (raw score)	17	77*	17
Digit Span Total Raw Score	12	96*	18
CogState—Detection, reaction time (mean)	54*	−10	−9
CogState—Identification, reaction time (mean)	78*	6	−4
CogState—One-Back, reaction time (mean)	81*	9	−3
CogState—Two-Back, reaction time (mean)	71*	5	5
CogState—Set-Shifting, reaction time (mean)	59*	−11	6
CogState—Detection, accuracy	46*	6	30
CogState—Identification, accuracy	23	24	26
CogState—One-Back, accuracy	40	15	25
CogState—Two-Back, accuracy	48*	23	39
CogState—Set-Shifting, accuracy	32	10	27

* Indicates a factor loading >|0.40|.