| Auditory Training (n = 27) | Computer Games (n = 29) |  | ||||
 | Mean | SD | Mean | SD | t | DF | p-value |
Age, years | 23.75 | 4.16 | 21.98 | 3.60 | 1.71 | 54.00 | 0.09 |
Education, years | 13.00 | 1.78 | 12.72 | 2.95 | 0.41 | 50.00 | 0.69 |
FSIQ IQa | 104.44 | 13.68 | 101.90 | 14.58 | 0.67 | 54.00 | 0.50 |
Duration of illness, years | 1.50 | 1.23 | 1.85 | 1.41 | −0.96 | 51.00 | 0.34 |
Hours of training | 37.33 | 6.30 | 39.62 | 1.37 | −1.91 | 54.00 | 0.09 |
PANSS Symptom Scores | Â | Â | Â | Â | Â | Â | Â |
Positive (mean of 7 items) | 12.56 | 4.05 | 14.04 | 4.90 | −1.18 | 50.00 | 0.24 |
Negative (mean of 7 items) | 16.40 | 6.18 | 17.19 | 6.62 | −0.44 | 50.00 | 0.66 |
General (mean of 16 items) | 32.36 | 6.89 | 34.85 | 9.65 | −1.06 | 50.00 | 0.29 |
MATRICS Global Cognition z-score | −1.12 | 0.93 | −0.96 | 0.85 | −0.66 | 54.00 | 0.52 |
DBL MMN z-score | 0.35 | 0.99 | 0.44 | 0.88 | −0.36 | 54.00 | 0.72 |
DUR MMN z-score | 0.34 | 0.92 | 0.19 | 1.02 | 0.57 | 54.00 | 0.57 |
FREQ MMN z-score | 0.32 | 1.00 | 0.43 | 0.99 | −0.42 | 54.00 | 0.68 |
 | n | % | n | % |  | χ2 | p-value |
Gender | Â | Â | Â | Â | Â | 0.319 | 0.572 |
 Female | 10 | 0.3 | 7 | 0.24 |  |  |  |
 Male | 17 | 0.63 | 22 | 0.76 |  |  |  |
Handednessb | Â | Â | Â | Â | Â | 0.248 | 0.884 |
 Right | 25 | 0.93 | 26 | 0.90 |  |  |  |
 Left | 1 | 0.04 | 2 | 0.07 |  |  |  |
 Ambidextrous | 1 | 0.04 | 1 | 0.03 |  |  |  |
Antipsychotic type | Â | Â | Â | Â | Â | 0.305 | 0.662 |
 Atypical alone | 25 | 0.93 | 26 | 0.90 |  |  |  |
 Typical alone | 0 |  | 1 | 0.03 |  |  |  |
 Both | 0 |  | 0 |  |  |  |  |
 None | 2 | 0.07 | 2 | 0.07 |  |  |  |
Psychiatric comorbiditiesc | |||||||
 Anxiety Disorder | 0 |  | 0 |  |  |  |  |
 Depressive Disorder | 3 | .11 | 2 | 0.07 |  |  | .661 |
 Substance Abuse | 3 | .11 | 1 | 0.03 |  |  | .341 |
 Substance Dependence | 3 | .11 | 2 | 0.07 |  |  | .661 |