在分离性身份障碍中解决了身份间失忆症:一种行为和神经生物学研究
Lora I Dimitrova1, Andrew J Lawrence2, Eline M Vissia3
1Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK; Department of Psychiatry, Amsterdam UMC, Location VUmc, VU University Amsterdam, Amsterdam, the Netherlands.
Journal of psychiatric research
|April 23, 2024
概括
患有分离性身份障碍 (DID) 的人表现出与创伤相关的词语的处理变化,这表明"相互身份回避"而不是记忆丧失. 这影响了身份状态之间的信息传输.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 认知科学 认知科学
背景情况:
- 分离性身份障碍 (DID) 具有跨身份失忆症的特征,影响状态之间的信息传输.
- 之前对DID内存转移的研究已经产生了相互矛盾的结果.
- 这项研究使用对象特异性刺激和神经行为测量方法检查了身份间失忆症.
研究的目的:
- 在患有DID的个体中调查身份间失忆症.
- 分析行为和神经对自我相关和非自我相关的创伤相关词语的反应.
- 探讨在DID中存在的身份间失忆的概念.
主要方法:
- 包括14名患有DID的个体,16名DID模拟器和16名健康对照.
- 测量反应时间和神经激活模式的自我相关的创伤相关的 (St,XSt) 和非自我相关的创伤相关的 (NSt) 词.
- 利用针对创伤避免和创伤相关的身份状态量身定制的特定对象的刺激.
主要成果:
- 与非自我相关的单词 (NSt) 相比,与创伤相关的单词 (XSt) 的反应时间更快.
- 患有DID的人表现出最长的反应时间.
- 增加XSt单词的正面和面大脑激活,在DID组中减少前带皮质活动.
结论:
- 研究结果支持将"跨身份失忆症"重新定义为"避免跨身份".
- 建议在DID中加强对自我相关创伤相关知识处理的认知控制.
- 整合行为和神经数据来理解分离体验.
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