Table 1.

Neuropsychological Assessment at presentation and after 1 year

	Controls (N=27)	GS July 2005	GS Sept. 2006
MMSE (30)	30 (0.6)	29	23/25
CVLT-II Long Delay Free Recall (16)	13.4 (2.8)	10	n/a
CVLT-Short Form 10-minute Free Recall (9)	8 (1.1)	n/a	8
Modified Rey Complex Figure Recall (17)	11.9 (2.5)	6 ***	could not assess
15-Item Boston Naming Test (15)	14.6 (0.9)	15	15
Category Fluency (Animals)	23.9 (5.9)	18	could not assess
Modified Rey Complex Figure Copy (17)	15.9 (1.2)	10 ****	could not assess
VOSP Spatial Location Task (10)	8.7 (2.5)	4 ****	6 ****
Digits Backward (Max. Span)	5.0 (1.2)	5	4*
Stroop Interference Task	50.0 (0.5)	35 **	could not assess
Modified Trail Making Test (120”)	31.2 (20)	120”/2 errors ****	could not assess
Letter Fluency (D words)	17.0 (4.3)	11*	could not assess

Values listed are mean (s.d.). In first column, numbers listed in parentheses = maximum attainable score possible. n/a = not available.

^*=-1.0<z<-1.5;

^**-1.5<z<-2.0;

^***-2.0<z<-2.5;

^****-2.5<z<-3.0.