通过个性化记忆干预,可以改善人类寿命的多步推断
Sharon M Noh1, Keiland W Cooper2, Shuheng Guo1
1Department of Cognitive Sciences, The University of California, Irvine, Irvine, California, United States.
概括
与年龄相关的记忆力下降影响决策. 提高记忆准确度的衡量标准 - - 记忆区分,可以增强成年人的学习和推理能力,以实现目标导向的规划.
科学领域:
- 认知神经科学 认知神经科学
- 衰老研究研究 衰老研究
- 决策 - 决策 - 决策 - 决策
背景情况:
- 以目标为导向的决策取决于记忆和规划,而这些通常会随着年龄的增长而下降.
- 记忆准确度的衡量标准 - - 记忆力歧视 (mnemonic discrimination) 特别容易受到与年龄相关的衰退的影响.
- 这项研究调查了记忆精度是否是与年龄相关的认知衰退背后的常见机制.
研究的目的:
- 测试与年龄相关的决策能力下降是否源于与记忆精度相关的共同机制.
- 评估学习时间表对基于记忆能力的认知表现的影响.
- 探索潜在的干预措施,以保护老年人的决策能力.
主要方法:
- 一个潜在的学习任务被用来评估推断判断和关系结构组织在整个成年人的寿命.
- 实验1检查了判断性能和记忆歧视之间的关系.
- 实验2测试了阻断学习时间表是否改善了记忆精度较低的个体的表现,以及神经网络模拟.
主要成果:
- 无论是年轻人还是老年人,都表现出潜在的学习和推断,但性能变化与记忆力歧视能力有关.
- 记忆区分与训练条件相互作用:混合训练有利于高记忆精度,而阻断训练有利于低记忆精度.
- 人工神经网络模拟复制了这些观察到的模式.
结论:
- 复杂判断的年龄相关下降与减少的记忆歧视有关.
- 个性化,基于记忆的训练可以增强目标导向规划的学习和推理.
- 这些发现为维持终身决策能力提供了一个有希望的策略.
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