Startle EMGa Stimulus High OCI-R Low OCI-R   Mean SD Mean SD CS+ 54.75 4.51 55.60 4.28 CS- 49.20 4.25 51.16 3.18 ITI 51.22 4.49 49.42 3.06 aRaw startle EMG was standardized with the use of within-subject T score transformations ([([EMG single trial – EMG mean]/SD)*10] + 50). OCI-R = Obsessive-compulsive Inventory-Revised; CS+ = conditioned danger cue; CS- = conditioned safety cue; ITI = inter-trial interval.

Table 4: Acquisition data for standardized startle EMG across conditioned danger cues (CS+), conditioned safety cues (CS–), and inter-trial intervals for the high and low OCI-R groups