核心位置完整性与老年成人中基于剥削的决策偏见有关
Gary R Turner1, Patrick Hewan1, Alfie Wearn2
1Department of Psychology, York University, Toronto, ON M3J 1P3, Canada.
概括
年长的成年人在决策中表现出剥削偏见,偏爱已知的奖励而不是探索. 这种偏见与大脑中易受阿尔茨海默氏症影响的脑部部位 (locus coeruleus) 的完整性降低有关.
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
- 衰老研究研究 衰老研究
背景情况:
- 最佳的决策涉及到平衡勘探和开发.
- 这种平衡是由部 (LC) 和上腺素调节的.
- 长大后的成年人往往会表现出更多的剥削偏见.
研究的目的:
- 为了研究衰老之间的关系,locus coeruleus的完整性,和决策偏见.
- 确定LC完整性降低是否是老年人利用偏见的基础.
主要方法:
- 使用定量核磁共振 - 磁转移和 (qMT) 进行了体内测试,以评估部的微观结构完整性.
- 采用食任务来衡量决策偏见 (探索与开发).
- 参与者包括表现出剥削偏见的老年人.
主要成果:
- 年龄较大与部的微观结构完整性降低有关.
- 在老年成人中,剥削偏见与较低的合点 (locus coeruleus) 完整性有明确而敏感的联系.
- 这些发现是使用体内组织学方法观察到的.
结论:
- 局部内的完整性降低是老年成人中观察到的剥削偏见的一个关键因素.
- 与衰老相关的骨位完整性的下降可能会影响决策.
- 这对理解衰老和临床前阿尔茨海默氏症的认知变化有影响.
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