Table 2 Mean (sd) values of the behavioral parameters in the VCPT

Number of omission errors

1.20

(1.74)

4.56***

(5.14)

7.31***

(7.14)

Reaction time (ms)

418.48

(88.95)

424.17

(91.79)

419.50

(74.29)

Standard error of RT mean (ms)

8.08

(2.51)

11.00***

(4.19)

12.23***

(3.91)

Number of commission errors

.37

(.79)

.72*

(1.06)

.47

(.80)