年轻人和老年人的自传记忆的内容和连贯性的差异:从文本分析的见解
Signy Sheldon1, Jay Sheldon1, Shirley Zhang1
1Department of Psychology, McGill University.
Psychology and aging
|July 20, 2023
概括
年长的成年人回忆自传记忆与更广泛的主题和更多的叙事转移比年轻的成年人. 这表明基于实质的记忆表现,可能会补偿与年龄相关的情节性记忆衰退.
科学领域:
- 认知心理学 认知心理学
- 衰老的神经科学 衰老的神经科学
- 计算语言学 计算语言学
背景情况:
- 与年轻人相比,老年人往往在自传记忆中记得的具体细节较少.
- 这种下降通常与与年龄相关的情节性记忆障碍有关.
- 衰老对记忆回忆的内容和叙事结构的影响仍然不太被探索.
研究的目的:
- 研究老龄化如何影响自传记忆回忆的内容多样性和叙事风格.
- 测试老年人代表记忆在"核心"层面的假设,导致更广泛的主题阵列和独特的叙事模式.
主要方法:
- 运用自然语言处理 (NLP) 技术对年轻人和老年人的自传记忆叙述.
- 使用主题建模来量化内容多样性 (主题范围).
- 应用句子嵌入来分析叙事转移和连贯性.
主要成果:
- 年长的成年人表现出比年轻的成年人更大的内容多样性在他们的记忆.
- 年长的成年人在叙述过程中表现出更频繁的内容转移,表明时间依赖程度较低.
- 内容多样性与老年人特定细节生成有正相关,这表明存在补偿机制.
结论:
- 老龄化通过增加内容多样性和改变叙事结构来影响自传记忆回忆.
- 这些发现支持了老年人基于实质的记忆表现.
- 结果突出了潜在的与年龄有关的对记忆回忆的补偿策略.
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