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  • Open Access

The cognitive impact of Electroconvulsive Therapy (ECT)

  • 1,
  • 2 and
  • 1
Annals of General Psychiatry20087(Suppl 1):S168

https://doi.org/10.1186/1744-859X-7-S1-S168

Published: 17 April 2008

Keywords

  • Neuropsychological Test
  • Memory Deficit
  • Paired Word
  • Recent Event
  • Antidepressant Treatment

Background

Since its first use in 1938, ECT has been used to treat a number of acute psychiatric disorders, particularly major depression. It is widely considered the most effective antidepressant treatment, with medication resistance its leading indication [1]. However, user and carer organisations still remain sceptical [2] largely because our understanding of short and long-term cognitive impairment is limited.

Materials and methods

A battery of neuropsychological tests and questionnaires were selected to include both objective and subjective memory measures. These tests were conducted on ECT patients, before treatment, after 4 treatments, within the week after the final ECT, at 1 month and 6 months, to measure the short and long-term cognitive impact of ECT.

Results

1. Patients generally self-rated their memory functions as significantly improved after a course of ECT.

2. Delayed recall of paired words and short story were sensitive to the adverse cognitive effects of ECT.

3. Spatial Recognition Memory was impaired after ECT.

4. Personal Semantic and Autobiographical Memory for recent events was significantly impaired by ECT.

5. Memory deficits had generally resolved 1 month after ECT.

Conclusions

Cognitive deficits were detected during and within the week after a course of ECT. These deficits were generally not detected 1 month post ECT; however impairments in autobiographical memory for recent events surrounding ECT remain.

Authors’ Affiliations

(1)
Dept of Mental Health, Royal Cornhill hospital, University of, Aberdeen
(2)
Department of General Practice and Primary Care, School of Medicine, University of, Aberdeen

References

  1. American Psychiatric Association: The practice of ECT. 2001, American Psychiatric Press, Washington, DC, 2nd EdnGoogle Scholar
  2. Rose D: Patients' perspectives on electroconvulsive therapy: Systematic review. Br M Journal. 2003, 326: 1-5. 10.1136/bmj.326.7379.1.View ArticleGoogle Scholar

Copyright

© Falconer et al.; licensee BioMed Central Ltd. 2008

This article is published under license to BioMed Central Ltd.

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