The Dynamic Aging Mind: Revelations From Functional Neuroimaging Research

被引：41

作者：

Park, Denise C. ^{[1
]}

McDonough, Ian M. ^{[1
]}

机构：

[1] Univ Texas Dallas, Ctr Vital Longev, Sch Brain & Behav Sci, Dallas, TX 75235 USA

来源：

PERSPECTIVES ON PSYCHOLOGICAL SCIENCE | 2013年 / 8卷 / 01期

关键词：

aging; fMRI; compensation; plasticity; scaffolding; ADULT AGE-DIFFERENCES; PROCESSING-SPEED; MEMORY; ACTIVATION; PERFORMANCE;

D O I：

10.1177/1745691612469034

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

The conception of the aging mind that emerged from behavioral and structural imaging studies portrayed the mind as a victim of passive deterioration and decline with age, with a few domains of preserved function. The advent of functional neuroimaging has demonstrated that the aging brain is an adaptive and plastic structure that responds dynamically to cognitive challenge and structural deterioration-thus, fundamentally changing views of cognitive aging. In addition, a neural theory of the aging mind based on behavioral data-the dedifferentiation view of cognitive aging-was largely confirmed when neuroimaging technology became available to test it. We argue that functional neuroimaging has advanced cognitive aging theories by creating a stronger emphasis on compensatory mechanisms related to brain plasticity and potential reorganization as evidenced by the resurgence of interest and research in cognitive training research designed to improve cognition through enhancement of neural structures or reorganization of functional circuitry.

引用

页码：62 / 67

页数：6

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