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Dissociative Amnesia? It Might be Organic Memory Loss!

Marko Jelicic¹

¹Forensic Psychology Section, Faculty of Psychology and Neuroscience, Maastricht University.

Topics in Cognitive Science

|February 2, 2023

Summary

Organic memory loss can be mistaken for dissociative amnesia. Neuropsychological evaluation is crucial to differentiate between organic and psychological causes of amnesia, especially retrograde amnesia.

Keywords:

Dissociative amnesia Memory disorders Organic amnesia Psychogenic amnesia Retrograde amnesia Traumatic head injury

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Area of Science:

Neuropsychology
Neurology
Psychiatry

Background:

Misdiagnosis of memory loss conditions is a clinical challenge.
Distinguishing between organic and dissociative amnesia requires careful evaluation.

Purpose of the Study:

To discuss the potential misdiagnosis of organic memory loss as dissociative amnesia.
To highlight the importance of ruling out organic causes before diagnosing dissociative amnesia.

Main Methods:

Case study of a young man with retrograde amnesia.
Review of literature on organic memory loss and dissociative amnesia.
Neuropsychological examination to determine the cause of amnesia.

Main Results:

The case study revealed an organic basis for amnesia despite initial assumptions of psychological origin.
Evidence for dissociative amnesia is scarce, while organic memory loss is well-documented.
Organic memory loss may be erroneously identified as dissociative amnesia.

Conclusions:

Practitioners should consider organic memory loss in cases presenting with amnesia.
Ruling out organic causes is essential before diagnosing dissociative amnesia, adhering to DSM-5 guidelines.