 - Patients who are currently on psychotropic medications. Patients are required to be free of all psychotropics medication i.e. fluvoxamine Luvox, sertraline Zoloft, paroxetine Paxil, citalopram Celexa or escitalopram Lexapro, etc. for 2 weeks, 5 weeks for fluoxetine prior to testing. Patients will not be taken off medications for the purpose of the study 