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[Psychogenic Retrograde and Anterograde Amnesia]
Haruo Yoshimasu1, Takaaki Yasuda, Akihiro Kurihara
1Department of Neuropsychiatry, Saitama Medical Center, Saitama Medical University.
Brain and Nerve = Shinkei Kenkyu No Shinpo
|July 13, 2018
Summary
High stress can cause dissociative retrograde amnesia, blocking autobiographical memories. Dissociative anterograde amnesia links emotional experiences to fear stimuli, often stemming from repressed childhood abuse memories.
Area of Science:
- Psychology
- Neuroscience
- Trauma Studies
Background:
- Dissociative amnesia impairs memory recall under stress.
- Dissociative retrograde amnesia affects autobiographical memory access.
- Dissociative anterograde amnesia hinders recall of emotional experiences.
Purpose of the Study:
- To explore the relationship between dissociative amnesia and fear conditioning.
- To understand memory deficits in dissociative disorders.
- To investigate the impact of trauma on memory and emotional responses.
Main Methods:
- Case study analysis of patients with dissociative amnesia.
- Review of psychological and neurological literature on memory disorders.
- Exploration of fear conditioning mechanisms in amnesic patients.
Main Results:
- High stress triggers memory loss in dissociative retrograde amnesia.
- Repetitive dissociative anterograde amnesia can lead to fear conditioning.
- Fear conditioning is linked to repressed memories, such as child abuse.
Conclusions:
- Dissociative amnesia presents distinct challenges in memory recall and emotional processing.
- Understanding these memory impairments is crucial for trauma-informed care.
- Fear conditioning in dissociative disorders may be rooted in inaccessible traumatic memories.
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