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A Conceptual Introduction to Cognitive Remediation for Memory Deficits Associated With Right Unilateral Electroconvulsive Therapy

Choi, Jimmy PsyD*; Lisanby, Sarah H. MD; Medalia, Alice PhD*; Prudic, Joan MD

Journal of ECT:
doi: 10.1097/YCT.0b013e31821d3ab3
Original Studies

Objective: Although electroconvulsive therapy (ECT) is a highly effective treatment for people with severe depression, many patients report that treatment-induced memory problems are the most disturbing and serious adverse effects, affecting quality of life after treatment and willingness to consent to further ECT sessions. To date, no intervention to mitigate these cognitive deficits has been developed. We introduce the methodology of a novel cognitive training program called Memory Training for ECT (Mem-ECT) that is based on cognitive training in seizure disorders. Mem-ECT is designed to help memories that are usually compromised after ECT to remain relatively preserved.

Methods: We evaluated the feasibility of implementing Mem-ECT in 8 adult patients with a diagnosis of major depressive disorder who underwent right unilateral ECT. This open pilot trial assessed recruitment procedures and treatment feasibility such as patient’s burden and compliance, exercise length, and how best to integrate treatment sessions around the patient’s schedule before undergoing ECT.

Results: We found Mem-ECT to be fairly well tolerated by depressed inpatients and easily implemented within ECT treatment services.

Conclusion: We discuss issues for future development, including an ongoing treatment-masked controlled study we are conducting to test the efficacy of Mem-ECT. Developing a safe and effective behavioral strategy to minimize ECT’s adverse effects on memory may make ECT a more easily tolerated treatment.

Author Information

From the *Division of Mental Health Services and Policy Research, Department of Psychiatry, Columbia University Medical Center, New York, NY; †Department of Psychiatry, Duke University School of Medicine, Durham, NC; and ‡Department of Psychiatry, New York Presbyterian Hospital and New York State Psychiatric Institute, Columbia University Medical Center, New York, NY.

Received for publication November 19, 2010; accepted March 23, 2011.

Reprints: Jimmy Choi, PsyD, New York State Psychiatric Institute, Mailbox 100, Columbia University Medical Center, 1051 Riverside Dr, New York, NY 10032 (e-mail:

The authors have no conflict of interest to declare.

Funded in part by a NARSAD Independent Investigator Award to Dr Joan Prudic.

© 2011 Lippincott Williams & Wilkins, Inc.