The effect of continuation and maintenance electroconvulsive therapy on cognition: A systematic review of the literature and meta-analysis.

Background: Electroconvulsive therapy (ECT) is an effective treatment for depression, mania, and refractory schizophrenia. Its tolerability profile is established for acute treatment, but less is known regarding the effects of longer treatment courses, particularly on cognitive performance.

Objectives: To assess the effect of the long-term ECT on cognition.