年长的成年人选择不同的但不简单的策略比年轻的成年人在风险的选择选择
Florian Bolenz1,2, Thorsten Pachur1,2,3
1Center for Adaptive Rationality, Max Planck Institute for Human Development, Berlin, Germany.
PLoS computational biology
|June 10, 2024
概括
年长的成年人与年轻的成年人做出不同的风险选择,这不是由于认知能力下降,而是可能是由于动机差异. 他们采用不同的策略,而不是更简单的策略,影响冒险行为.
科学领域:
- 认知神经科学是一种认知神经科学.
- 人类衰老研究研究.
- 决策科学 决策科学
背景情况:
- 与年龄相关的决策差异,特别是风险选择,已经得到了充分证实.
- 现有的理论通常将这些差异归因于老年人的认知能力下降.
- 了解底层机制对于老年学和行为经济学至关重要.
研究的目的:
- 调查年轻人和老年人之间风险选择的战略差异.
- 测试假设,风险承担的年龄差异源于认知衰退和动机因素.
- 应用计算建模方法来剖析决策策略.
主要方法:
- 利用一种基于资源理性框架的新计算模型.
- 分析了年轻和年长的成年参与者使用的决策策略.
- 在不同年龄组之间比较战略复杂性,错误率和认知成本考虑因素.
主要成果:
- 两个年龄组都采用了不同的决策策略来做出风险选择.
- 老年人没有表现出更简单的策略,更少的选择,错误增加或更高的认知成本.
- 在老年人选择的策略与年轻人选择的策略的风险倾向中出现了关键差异.
结论:
- 风险选择中的年龄差异并不一定表明认知能力下降.
- 动机因素似乎在塑造与年龄相关的风险承担差异方面发挥着重要作用.
- 计算建模为年龄和决策背后的细微策略提供了有价值的见解.
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