<qa>  What is the primary MDD currently depressed?Thirty subjects ages 18-45 male and female will be selected, with primary MDD currently depressed as defined by DSM-IV criteria for recurrent MDD and current HDRS score in the moderately-to-severely depressed range greater than 18 and who have a first degree relative with MDD but no first degree relatives with mania, alcoholism, or antisocial personality disorder. 