THE EFFECTS OF TWO ANTIDEPRESSANT AGENTS ON PERFORMANCE ON THE STROOP COLOUR‐WORD TEST IN NORMAL MALE VOLUNTEER SUBJECTS

1 Healthy male volunteers were given either imipramine (25 mgs three times a day), viloxazine hydrochloride (Vivalan) (50 mgs three times a day), placebo or no tablets on a double‐blind basis. 2 Subjects took the tablets for 7 days, and were tested before treatment and then after 1, 7 and 21 doses. 3 The Stroop Colour‐Word test was used to assess performance. 4 While no significant drug effects were found it is suggested that some of the trends shown are indicative of a slight worsening of performance with imipramine and a slight improvement with viloxazine hydrochloride after seven doses.