健康认知衰老对指导和随机探索的差异性影响
Jack-Morgan Mizell1, Siyu Wang1, Alec Frisvold1
1University of Arizona, Department of Psychology.
Psychology and aging
|February 15, 2024
概括
年长的成年人探索的选择类似于年轻的成年人,但寻求的信息较少,也不太依赖于变化. 一些老年人避开信息,影响他们的决策表现.
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
- 决策研究 决策研究
背景情况:
- 探索-开发的决定是日常生活的基础.
- 年轻的成年人利用信息搜索和行为变化来探索.
- 对于老年人的探索-利用策略的理解有限.
研究的目的:
- 研究老年人的探索-利用决策策略.
- 将老年人的策略与年轻人的策略进行比较.
- 为了识别与年龄相关的信息搜索和行为变异性的差异.
主要方法:
- 利用Horizon Task,一种博范式,来量化勘探策略.
- 评估了51名老年人 (65-74岁) 和32名年轻人 (18-25岁) 的信息搜索和行为变化.
- 分析了这些策略是如何控制适应性探索的.
主要成果:
- 从质量上讲,老年人适应了信息搜索和变化,当探索是有益的,类似于年轻人.
- 从数量上讲,老年人表现出较少的整体信息搜索和减少对探索的可变性依赖.
- 一部分老年人 (26%) 的信息搜索量很小,这对任务执行产生了负面影响.
结论:
- 虽然老年人可以调整探索策略,但与年轻人相比,在信息搜索和变化方面存在定量差异.
- 探索和开发决策中的年龄相关差异似乎是适应性的,除非信息回避变得极端.
- 有针对性的干预措施可能有利于那些表现出极端信息回避的老年人.
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