Table 3.

Results of non-memory tests for three psychiatric patients with non-alcoholic Korsakoff syndrome.

	Test	Patient 1	Patient 2	Patient 3
Agea (years)		40	53	46
General attention	TMTb-A	−0.52	−1.64	0.00
Divided attention	TMTb-B	−0.84	−0.84	3.09
Psychomotor speed	WAIS-IIIc	−0.67	−2.00	−0.33
Verbal skill	WAIS-IIId	1.00	−0.33	−1.00
EXECUTIVE FUNCTIONS
Planning & foresight	NAB Mazes test	−1.64	−1.90	0.20
Set shifting	WCSTe	0.41	0.32	−1.18
Task switching	TMT(A) – TMT(B)	−0.67	−0.39	1.96
Verbal fluency	Fluency testsf	0.10	1.28	0.92
Composite scoreg		−0.45	−0.17	0.48

Values are z-scores from the distribution of normative values. Values ≤ −1.5 are in bold.

^aAge at the neuropsychological examination.

^bTrail Making Test.

^cWechsler Adult Intelligence Scale–III, digit symbol subset.

^dWechsler Adult Intelligence Scale–III, vocabulary subtest.

^eWisconsin Card Sorting test.

^fThe category fluency test (animals) and the word fluency test (words starting with the letter “s”).

^gAverage of NAB Mazes test, WCST, TMT(A)—TMT(B), and fluency tests.