Healthy volunteers
Not accepted
Inclusion Criteria::- Patients will be screened with the Beck Depression Inventory. Those reaching the positive cut-off score of 11 (indicating at least a mild depression) will be entered into the study. Patients entered on antidepressants will be held at a stable dosage. Anti-epileptic drugs will also be maintained on the same dosage at entry into the study when possible clinically, after consultation with their neurologist. Exclusion Criteria:- Patients will be excluded if there is any active serious medical conditions, Standard Score\<70 as assessed via the Wide Range Achievement Test, psychotic or substance abuse issues, those who are unable to maintain a stable dose of medications for the duration of study.