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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: J Clin Psychiatry. 2014 Aug;75(8):e785–e793. doi: 10.4088/JCP.13m08725

Table 2.

Neuropsychological Changes Between Baseline and Week 8

Baseline
% or mean (SD)
Median
Week 8
% or mean (SD)
Median
Cohen D
for change
* p<0.05
Choice Reaction Time Task – accuracy 98.1% (5.5)
100
99.4% (1.1)
100
0.33
Choice Reaction Time Task – reaction time 545.1 ms* (174.9)
501.3
555.6 ms (210.9)
488.9
0.16
Congruous Task – accuracy 93.6% (16.10)
100
99.7% (0.83)
100
0.33
Congruous Task – reaction time 649.7 ms (182.5)
630.4
562.5 ms (140.2)
530.65
1.10*
Incongruous Task – accuracy 89.6% (17.2)
97.5
98.9% (1.82)
100
0.39
Incongruous Task – reaction time 709.5 ms (233.4)
655.7
601.1 ms (131.2)
596.9
1.00*
Mean (SD)
Median
Mean (SD)
Median
HVLT** Trial 1-3 23.9 (5.5)
23.5
24.8 (5.1)
25.0
0.12
HVLT Trial 4 8.3 (2.6)
8.0
9.4 (2.1)
10.0
0.31
HVLT Percent Retained 88.8 (13.3)
90.9
96.3 (14.6)
95.8
0.32
HVLT Recognition Discriminability Index 10.4 (1.7)
10.5
10.8 (1.6)
11.0
0.05
*

ms = milliseconds

**

HVLT = Hopkins Verbal Learning Test