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认知年老化与执行衰退假说
Authors
李德明
罗跃嘉
陈天勇
韩布新
Publication date
1 January 2004
Publisher
Abstract
在认知年老化领域,执行衰退假说是近年来新兴的一种理论。执行衰退假说在理论上具有很强的吸引力,但在实证研究中却存在很多困难,如执行功能的可分离性问题,执行功能测量的信度和效度问题,以及执行功能与加工速度的关系问题。目前,该领域研究的焦点是:在行为学水平上,控制一般性因素(加工速度)后,执行功能是否仍对认知年老化起重要的中介作用; 在神经水平上,执行(额叶)功能随龄的变化情况,以及在认知年老化过程中,额叶在大脑功能重组中扮演的角色。最终实现对认知年老化的理解,需要将认知功能与大脑结构联系起来; 既看到广泛存在的共同的基本机制,又不能忽略不同认知结构的选择性变化
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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Last time updated on 30/04/2021
Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.psych.ac.cn:311026/3318...
Last time updated on 18/12/2020