Exclusion criteria for all participants were left-handedness, a history of electroconvulsive shock therapy, a history of neurological illness including epilepsy, a lifetime history of substance dependence or a history of substance abuse within the past 5 years, a history of steroid use, and estimated premorbid intelligence quotient below 75. Furthermore, HC participants were screened for the presence of an Axis-I disorder using the SCID-Non-Patient edition (First et al., 2002), and were also excluded if they reported having first-degree relative with an Axis I disorder.
