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Related Concept Videos

Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Cognitive Therapy01:25

Cognitive Therapy

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Cognitive therapy, pioneered by Aaron T. Beck in the 1960s, is a structured approach to addressing psychological distress by focusing on the influence of thoughts on emotions and behaviors. All cognitive therapies involve the basic assumption that human beings have control over their feelings, and that how individuals feel about something depends on how they think about it. Unlike psychoanalytic methods that delve into unconscious processes or humanistic approaches emphasizing...
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Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

370
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
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Depression: Overview01:18

Depression: Overview

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Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
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Related Experiment Video

Updated: Dec 27, 2025

Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy
04:51

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Cognitive function after electroconvulsive therapy for depression: relationship to clinical response.

Ian M Anderson1, R Hamish McAllister-Williams2, Darragh Downey3

  • 1Neuroscience and Psychiatry Unit, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK.

Psychological Medicine
|February 28, 2020
PubMed
Summary

Electroconvulsive therapy (ECT) for depression did not cause lasting cognitive impairment. Remission after ECT improved self-rated memory and verbal recall, highlighting the importance of remission status for cognitive recovery.

Keywords:
Cognitiondepressive disorderelectroconvulsive therapymemoryremission

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Uncertainty exists regarding the impact of clinical response on cognitive function post-electroconvulsive therapy (ECT) for depression.
  • This study investigates whether remission status influences cognitive function 4 months after ECT in depressed patients.

Purpose of the Study:

  • To determine the effect of remission status on cognitive function following electroconvulsive therapy (ECT) for depression.
  • To assess long-term cognitive outcomes and the role of depression remission in recovery.

Main Methods:

  • Secondary analysis of a randomized controlled trial of ketamine augmentation of ECT for depression.
  • Patients categorized by remission status (MADRS score ≤10 vs. >10) at 4-month follow-up.
  • Cognitive function assessed via self-rated memory, neuropsychological tests (anterograde memory, verbal fluency, working memory), and autobiographical memory.

Main Results:

  • No evidence of persistent cognitive impairment 4 months after ECT; some measures showed improvement.
  • Remitted patients (N=18) showed significantly better self-rated memory, anterograde verbal memory, and category verbal fluency compared to non-remitted patients (N=19).
  • Self-rated memory correlated with category fluency and autobiographical memory at follow-up.

Conclusions:

  • Electroconvulsive therapy (ECT) does not lead to persistent cognitive impairment.
  • Achieving depression remission post-ECT is associated with improved subjective memory and verbal recall.
  • Self-rated memory may serve as a valuable tool for monitoring long-term memory effects of ECT.