Table 2

Neuropsychological test scores

Patients (n=5)Controls (n=5)Statistics
Neuropsychological domainsMeanSDMeanSDtp
Scaled scores (SS): mean (SD), 10 (3); z scores: mean (SD), 0 (1); t scores: mean (SD), 50 (10).
1Brown-Peterson auditory consonant trigrams.22
2Wechsler memory scale – III.23
3Wechsler adult intelligence scale – III.24
4Paced auditory serial addition task.25
5Trails making test A and B.26
6Continuous performance test.27
7California verbal learning test.28 29
8Complex figure test30 31; copy scores.32
9Continuous visual memory test.33
10Extended complex figure test.34
11Controlled oral word association test.22
12Wisconsin card sorting test.35
*Data missing for one control.
Working memory (z scores) −0.28 0.70 −0.11 0.87 −0.35 0.74
ACT1 (9s z scores for n correct)−0.201.21−0.191.47−0.010.99
ACT1 (18s z scores for n correct)−0.521.08−0.221.37−0.390.71
ACT1 (36s z scores for n correct)−0.831.07−0.152.19−0.630.69
Digit span backwards2 (z scores)−0.441.01−0.810.500.740.49
Visual span backwards2 (age SS)9.602.8811.602.07−1.260.24
Letter-number sequencing3 (age SS)9.002.1212.204.66−1.400.22
PASAT4 (z scores for errors)0.501.14−0.061.560.640.55
Psychomotor speed (z scores) −0.36 0.83 0.65 0.60 −2.21 0.06
Digit symbol3 (age SS)8.803.1912.402.41−2.010.08
Symbol search3 (age SS)9.802.5911.802.28−1.300.23
Trails A5(t scores)44.0010.5455.6016.41−1.330.54
Vigilance (z scores) −1.13 0.51 −0.52 0.67 −1.64 0.14
CPT6 (z scores for omission errors)−1.240.61−0.130.47−3.200.01
CPT6 (z scores for hit reaction time, standard error)−1.020.77−0.900.95−0.220.83
Immediate memory (z scores) −0.96 0.44 −0.07 1.05 −1.76 0.12
CVLT7 (t scores for total correct)36.407.3748.0011.73−1.870.11
CFT8 immediate (age SS)9.602.419.403.360.110.92
CVMT9 discrimination (z scores)−1.320.910.222.06−1.530.16
Logical memory I2 (age SS)7.802.1711.001.41−2.530.04
Delayed memory (z scores) −0.51 0.68 0.32 1.31 −1.27 0.24
CVLT7 long delay (z scores)−1.140.880.481.37−2.230.06
CFT8 delayed (age SS)9.801.7910.003.74−0.110.92
Logical memory II2 (age SS)9.002.8313.25*2.63*−2.310.05
Recognition memory (z scores) −1.56 0.52 0.03 1.19 −2.74 0.03
CVLT7 recognition (z scores)−3.201.300.200.45−5.520.01
CVMT9 recognition (z scores)−0.930.470.502.45−1.280.26
ECFT10 (age SS)8.402.708.203.030.110.92
Executive function (z scores) −0.10 0.66 0.32 0.89 −0.84 0.43
CPT6 (t scores for commission errors)45.506.6759.884.62−3.960.00
COWAT11 (z scores)−0.560.67−0.011.33−0.830.44
Trails B5 (t scores)49.4010.1449.2012.680.030.98
WCST12 (t scores for perseverative responses)54.2016.3054.4016.73−0.020.99
WCST12 (t scores for errors)50.609.0754.4013.01−0.540.61
Visual-spatial skills (z scores) 0.43 1.17 −0.17 0.58 1.02 0.34
Block design3 (age SS)12.203.039.802.171.440.19
CFT8 copy (z scores)0.161.18−0.881.181.400.20