Table 2 Behavioral Performance in the Dot Probe Task. Means of individual subjects’ reaction times (top) and error rates (bottom) are shown for Controls and participants with PTSD. Trauma-related negative words (Combat) and non-trauma negative words (General) were presented in separate blocks, along with the appropriately matched set of neutral words.
RT | Combat | General | ||
---|---|---|---|---|
(ms) | negative | neutral | negative | neutral |
Controls | 514.1 (61.7) | 514.3 (59.4) | 511.2 (61.1) | 511.9 (60.7) |
PTSD | 589.7 (148.0) | 589.9 (141.4) | 572.4 (131.5) | 577.6 (136.3) |
Errors | Combat | General | ||
(%) | negative | neutral | negative | neutral |
Controls | 1.88 (1.77) | 1.46 (1.91) | 1.38 (1.25) | 1.18 (1.54) |
PTSD | 2.45 (2.88) | 1.52 (2.30) | 1.28 (1.70) | 1.70 (1.69) |