Altered frontal EEG asymmetry in obsessive-compulsive disorder.

  title={Altered frontal EEG asymmetry in obsessive-compulsive disorder.},
  author={Moritz Ischebeck and Tanja Endrass and Daniela Simon and Norbert Kathmann},
  volume={51 7},
Hemispheric topography of alpha band power in the electroencephalogram has been linked to approach/avoidance motivation and may index the risk for anxiety disorders and depression. We quantified lower alpha band power (8-10 Hz) in 20 patients with obsessive-compulsive disorder (OCD) and 20 matched healthy controls during blocks of rest and presentation of neutral, aversive, and OCD-related pictures. Compared to the control group, OCD patients showed altered asymmetry, with frontal alpha power… CONTINUE READING