Table 1 Demographic data in patients with schizophrenia (n = 16) and healthy volunteers (n = 16)

Gender (f/m)

5/11

9/7

Age (in years; mean ± SD/ range)

22.4 ± 5.8/16–36

20.4 ± 1.6/19–25

Positive and negative syndrome scale (mean ± SD)

 Total

59.6 ± 13.7

–

 Positive scale

14.4 ± 4.4

–

 Negative scale

9.8 ± 3.7

–

 General psychopathology scale

31.2 ± 9.4

–

 Lack of action

4.63 ± 1.78

–

 Thinking disorder

9.31 ± 2.98

–

 Irritation

5.69 ± 2.12

–

 Paranoid

4.81 ± 1.38

–

 Depression

9.81 ± 2.81

–

 Others

9.38 ± 2.50

–

Disease history (in months)

2.1 ± 0.7

–

Medication

 olanzapine

6

–

 risperidone

3

–

 quetiapine

1

–