Effect of Escitalopram on Attentional Bias in Panic Disorder an Event-RelatedPotential Study
2014
Objective: To investigate the effect of treatment with Escitalopram on attentional bias in PD using an ERP dotprobe task of facial expression. Method: Subjects included 25 patients with PD, and 25 controls. Psychopathology was rated in patients with the HAMA at baseline, after 8-week treatments with Escitalopram. EEG was recorded at Oz when participants perform dot-probe task of facial expression. BESA 5.1.8 was used to perform data analysis. Result: It showed that 8 week treatments of Escitalopram decreased HAMA scores; patients at baseline showed an attention bias towards threat, however, after 8 week treatments, no significant bias towards happy faces was observed for either group. Patients had a more pronounced (more negative) C1 amplitude than controls in response to the angry–neutral face pairs, however, no differences between patients after 8 week treatments and controls were observed. There was no significant correlation between changes in C1 amplitudes and changes in HAMA scores before and after 8 week treatments of Escitalopram.
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