与年龄相关的好奇心变化:Ceruleus位置对信息搜索行为的影响
Hsiang-Yu Chen1, Emma Lepore Carlson1, McKenna S Costello1
1Department of Psychology, Brandeis University.
bioRxiv : the preprint server for biology
|September 15, 2025
概括
年长的成年人更多地依赖于初始的好奇心,而不是预测错误来寻找信息. 然而,内在的动机在衰老时保留记忆,类似于年轻人.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是一门学科.
背景情况:
- 好奇心对学习和记忆至关重要,它与脑部部位 (locus coeruleus,LC) 有联系,这是一个随着年龄的增长而衰退的大脑区域.
- 了解衰老如何影响好奇心和信息搜索行为对于认知健康至关重要.
- 核心位置 (locus coeruleus) 在调节好奇心和认知功能方面发挥着重要作用.
研究的目的:
- 研究衰老对好奇心和信息搜索行为的影响.
- 探索合点 (locus coeruleus) 完整性与整个生命周期的好奇心调节之间的关系.
- 要区分内在动机与外在奖励对好奇心和记忆的影响.
主要方法:
- 摄影艺术讲故事任务的开发,以评估好奇心和信息搜索.
- 包括68名年轻人和65名老年人作为参与者.
- 测量瞳孔直径和MRI扫描,以评估心脏部位的完整性及其与表现的关联.
- 操纵故事的有趣性,以产生预测错误和评估重新评估的好奇心.
主要成果:
- 老龄化与对新奇事物驱动的好奇心的依赖增加以及与预测错误相关的信息搜索的参与减少有关.
- 角质位置的完整性和瞳孔直径与好奇心调节性能相关.
- 无论是年轻人还是老年人,都表现出好奇心驱动的记忆增强,老年人表现出类似于青年的效应.
结论:
- 由好奇心驱动的内在动机在老年人中,在保持认知功能,特别是记忆力方面发挥着重要作用.
- 尽管与年龄相关的信息搜索策略发生了变化,但好奇心对记忆的好处仍然很强大.
- 核心位置 (locus coeruleus) 参与不同年龄组对好奇心的调节.
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