 - Treatment of stimulants within one week of the evaluation; tricyclic antidepressants, bupropion, cholinesterase inhibitors, modafinil, clonidineguanfacine, lithiumanticonvulsants for behavioral control, or serotonin reuptake inhibitors except fluoxetine for four weeks prior to entry are prohibited. Treatment with antipsychoticsneuroleptics and fluoxetine for 8 weeks prior to entry are prohibited. 