9), social phobia (n = 13), or generalized anxiety (n = 13), and their scores of Hamilton Anxiety Scale were 24.25 ± 5.12 (mean ± SD). The patients in Group 3 met the criteria for CCMD-3 for major depressive disorder (n = 18) and dysthymia (n = 14), but not for any anxiety disorder, and their scores of Hamilton Depression Scale were 27.35 ± 5.06 (mean ± SD). Prior to oddball testing, the patients should have never taken drugs or at least drug-free period of 14 days.
