Electroconvulsive therapy causes retrograde amnesia

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Evidence from clinical studies and meta-analyses demonstrates that electroconvulsive therapy frequently causes retrograde amnesia, leading to difficulties in retrieving memories formed prior to treatment.

The analysis

The claim is specific, testable, and supported by classic and recent high-quality evidence, including clinical studies showing temporal gradients of memory loss and a recent meta-analysis confirming retrograde autobiographical amnesia after electroconvulsive therapy.

Evidence for · 2

Retrograde Amnesia: Temporal Gradient in Very Long Term Memory Following Electroconvulsive Therapy

Recorded source metadata

Larry R. Squire, Pamela C. Slater, Paul M. Chace. Retrograde Amnesia: Temporal Gradient in Very Long Term Memory Following Electroconvulsive Therapy. 1975. https://doi.org/10.1126/science.1109228

Patients receiving electroconvulsive therapy exhibited a temporal gradient of retrograde amnesia affecting memories acquired prior to treatment.

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More for · 1

Retrograde autobiographical amnesia following electroconvulsive therapy (ECT) in patients treated for depression - a mixed-methods systematic review and meta-analysis

Recorded source metadata

Albert Stachura. Retrograde autobiographical amnesia following electroconvulsive therapy (ECT) in patients treated for depression - a mixed-methods systematic review and meta-analysis. 2025. https://doi.org/10.31237/osf.io/uc29a_v1

A systematic review and meta-analysis found that electroconvulsive therapy causes greater retrograde autobiographical amnesia compared with other treatments.

Source citation format

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first checked02 Aug 2026

judged → SUPPORTED · 9002 Aug 2026

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