Impaired Attentional Disengagement in Older Adults With Useful Field of View Decline

被引：21

作者：

Cosman, Joshua D. ^{[1
,2
]}

Lees, Monica N. ^{[3
]}

Lee, John D. ^{[3
]}

Rizzo, Matthew ^{[2
,3
]}

Vecera, Shaun P. ^{[1
,2
]}

机构：

[1] Univ Iowa, Dept Psychol, Iowa City, IA 52242 USA

[2] Univ Iowa, Dept Neurosci, Iowa City, IA 52242 USA

[3] Univ Iowa, Dept Engn, Iowa City, IA 52242 USA

来源：

JOURNALS OF GERONTOLOGY SERIES B-PSYCHOLOGICAL SCIENCES AND SOCIAL SCIENCES | 2012年 / 67卷 / 04期

基金：

美国国家科学基金会; 美国国家卫生研究院;

关键词：

Aging; Attention; Attentional disengagement; Cognitive decline; Useful field of view; WITHIN-SUBJECT DESIGNS; PARIETAL-LOBE DAMAGE; VISUAL-ATTENTION; PERCEPTUAL LOAD; CONFIDENCE-INTERVALS; ALZHEIMERS-DISEASE; FOCAL ATTENTION; ZOOM LENS; IDENTIFICATION; PERFORMANCE;

D O I：

10.1093/geronb/gbr116

中图分类号：

R592 [老年病学]; C [社会科学总论];

学科分类号：

03 ; 0303 ; 100203 ;

摘要：

Typical measures of the useful field of view (UFOV) involve many components of attention. The objective of the current research was to examine the attentional operations that might underlie declines in the UFOV. We used 2 basic attention tasks to characterize the profile of visual attention in UFOV-impaired and -unimpaired observers. Our results suggested that declines in the UFOV result from a deficit in attentional disengagement, not a decrease in attentional breadth or scope. The results suggested that UFOV decline in normal aging can be associated with a specific attentional operation, namely attentional disengagement. These results suggest that the underlying cause of UFOV decline may not be a restriction in the breadth or scope of attention. Because the UFOV is a reliable predictor of driving safety, our results point to attentional components that are critical for the visual behavior of older adults.

引用

页码：405 / 412

页数：8

共 37 条

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