Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task
Objective. Visual information is often used to guide purposeful movement. However, older adults have impaired responses to visual information, leading to increased risk for injuries and potential loss of independence. We evaluated distinct visual and motor attention contributions to a cued saccade t...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Journal of Ophthalmology |
| Online Access: | http://dx.doi.org/10.1155/2014/860493 |
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| _version_ | 1849306430865145856 |
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| author | Wendy E. Huddleston Brad E. Ernest Kevin G. Keenan |
| author_facet | Wendy E. Huddleston Brad E. Ernest Kevin G. Keenan |
| author_sort | Wendy E. Huddleston |
| collection | DOAJ |
| description | Objective. Visual information is often used to guide purposeful movement. However, older adults have impaired responses to visual information, leading to increased risk for injuries and potential loss of independence. We evaluated distinct visual and motor attention contributions to a cued saccade task to determine the extent to which aging selectively affects these processes. Methods. Nineteen healthy young (18–28 years) and 20 older (60–90 years) participants performed a cued saccade task under two conditions. We challenged motor attention by changing the number of possible saccade targets (1 or 6). Results. Older adults had difficulty in inhibiting unwanted eye movements and had greater eye movement inaccuracy in the hard condition when compared to the younger adults and to the easy condition. Also, an inverse relation existed between performance on the visual and motor components of the task in older adults, unlike younger adults. Conclusions. Older adults demonstrated difficulty in both inhibiting irrelevant saccade targets and selecting correct saccade endpoints during more complex tasks. The shift in relations among attention measures between the younger and older participants may indicate a need to prioritize attentional resources with age. These changes may impact an older adult’s ability to function in complex environments. |
| format | Article |
| id | doaj-art-34fc177a184d42df8e66554e593ac903 |
| institution | Kabale University |
| issn | 2090-004X 2090-0058 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Ophthalmology |
| spelling | doaj-art-34fc177a184d42df8e66554e593ac9032025-08-20T03:55:06ZengWileyJournal of Ophthalmology2090-004X2090-00582014-01-01201410.1155/2014/860493860493Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade TaskWendy E. Huddleston0Brad E. Ernest1Kevin G. Keenan2Department of Kinesiology, University of Wisconsin-Milwaukee, PT-PAV 350, P.O. Box 413, Milwaukee, WI 53201-0413, USADepartment of Kinesiology, University of Wisconsin-Milwaukee, PT-PAV 350, P.O. Box 413, Milwaukee, WI 53201-0413, USADepartment of Kinesiology, University of Wisconsin-Milwaukee, PT-PAV 350, P.O. Box 413, Milwaukee, WI 53201-0413, USAObjective. Visual information is often used to guide purposeful movement. However, older adults have impaired responses to visual information, leading to increased risk for injuries and potential loss of independence. We evaluated distinct visual and motor attention contributions to a cued saccade task to determine the extent to which aging selectively affects these processes. Methods. Nineteen healthy young (18–28 years) and 20 older (60–90 years) participants performed a cued saccade task under two conditions. We challenged motor attention by changing the number of possible saccade targets (1 or 6). Results. Older adults had difficulty in inhibiting unwanted eye movements and had greater eye movement inaccuracy in the hard condition when compared to the younger adults and to the easy condition. Also, an inverse relation existed between performance on the visual and motor components of the task in older adults, unlike younger adults. Conclusions. Older adults demonstrated difficulty in both inhibiting irrelevant saccade targets and selecting correct saccade endpoints during more complex tasks. The shift in relations among attention measures between the younger and older participants may indicate a need to prioritize attentional resources with age. These changes may impact an older adult’s ability to function in complex environments.http://dx.doi.org/10.1155/2014/860493 |
| spellingShingle | Wendy E. Huddleston Brad E. Ernest Kevin G. Keenan Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task Journal of Ophthalmology |
| title | Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task |
| title_full | Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task |
| title_fullStr | Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task |
| title_full_unstemmed | Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task |
| title_short | Selective Age Effects on Visual Attention and Motor Attention during a Cued Saccade Task |
| title_sort | selective age effects on visual attention and motor attention during a cued saccade task |
| url | http://dx.doi.org/10.1155/2014/860493 |
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