Significant clusters identified in PTSD patients compared with controls.

<p>Significant clusters identified in PTSD patients compared with controls.</p

Group comparison in the negative-diminish condition.

<p>The cold color indicates decreased activation. The color bar indicates T-score. L:left, R:right.</p

Task design for emotion modification.

<p>Examples of two trials are shown, one with the neutral picture and the other with the negative picture. Here, the representative images are similar to the IAPS image used in the task. There are three instructions, including “diminish”, “maintain”, and “enhance”. The bottom picture is an example of a negative image, to depict trauma-related negative stimuli. For neutral pictures, subjects were asked only to “maintain” their responses.</p

Demographic and clinical characteristics of PTSD patients and the controls.

<p>–136). CAPS, Clinician-Administered PTSD Scale (range, 0</p><p><i>p</i> Values are calculated by χ² statistics for categorical measures and two-tailed t statistics for continuous measures.</p

Group comparison in the negative-enhance condition.

<p>A warm color indicates increased activation, and cold color indicates decreased activation. The color bar indicates T-score. L:left, R:right.</p