**Participants’ numbers:** Patients with panic disorder 1 -22 Matched control participants 101 - 122 **ERP-data:** Raw data after filtering, correction of ocular artifact, and rejection of segments with artifacts. For space reasons, data were down sampled to 250 Hz. *response-choice task* 2000-ms-long segments referenced to the right mastoids. Markers: Response S251 and S252 correct response S 1 and S 2 incorrect response Feedback S 51 informative feedback of errors S 52 informative feedback of correct-slow responses S 53 informative feedback of correct-fast responses S 61 uninformative feedback of errors S 62 uninformative feedback of correct-slow responses S 63 uninformative feedback of correct-fast responses *passive-viewing task* 1200-ms-long segments referenced to the right mastoids. Markers: Stimulus S 11 neutral face S 12 house **Behavioural data:** *response-choice task* Accuracy and response times in the response-choice task Codes Flanker-Simon stimulus: 101-116 or 201-216 Scrambled face: 1001-1541 Happy face: 2001-2170 Neutral face: 3001-3170 *passive-viewing task* Accuracy and response times in the passive-viewing task Codes Neutral face 3001-3150 House 2001-2150 **Questionnaires:** Individual responses to the items in the three questionnaires