Department of Psychophysiology, Shanghai Mental Health Center, Shanghai 200030, china;
Department of Psychophysiology, Shanghai Mental Health Center, Shanghai 200030, china;
Department of Psychophysiology, Shanghai Mental Health Center, Shanghai 200030, china;
Department of Psychophysiology, Shanghai Mental Health Center, Shanghai 200030, china;
Department of Psychophysiology, Shanghai Mental Health Center, Shanghai 200030, china;
obsessive compulsive disorder; depression; anxiety; event related potentials;