Table 1 Cognitive Test Scores

ID/ED (Proportion completing)*

83%

95%

0.3

ID/ED EDS errors

4.3 (5.9)

7.9 (9.6)

0.2

ID/ED Pre-EDS errors

5.7 (2.2)

6 (2.5)

0.7

ID/ED Total errors

11.3 (6.1)

15.2 (9.8)

0.2

SWM Between Errors

14.3 (13.4)

24.2 (14.4)

0.02

SWM Within Errors

1.1 (1.6)

1.6 (2.1)

0.3

SWM Strategy

26.3 (6.4)

32.3 (6.4)

0.01

RVIP Target Detection

0.94 (0.05)

0.91 (0.05)

0.13

RVIP Response Bias^$

0.96 (0.04)

0.97 (0.05)

0.3

RVIP Latency

409.7 (80.6)

429.7 (118.5)

0.6