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The effects of cognitive load on gai...

The Florida State University.

The effects of cognitive load on gait in older adults.

紀錄類型:	書目-電子資源 : 單行本
正題名/作者:	The effects of cognitive load on gait in older adults./
作者:	Wilson, Kimberly R.
面頁冊數:	73 p.
附註:	Source: Dissertation Abstracts International, Volume: 69-07, Section: B, page: 4135.
Contained By:	Dissertation Abstracts International69-07B.
標題:	Gerontology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3321540
ISBN:	9780549717225

The effects of cognitive load on gait in older adults.
Wilson, Kimberly R.

The effects of cognitive load on gait in older adults. - 73 p.

Source: Dissertation Abstracts International, Volume: 69-07, Section: B, page: 4135.

Thesis (Ph.D.)--The Florida State University, 2008.

It is a well-documented fact that the rate of falls increases with advanced age. In an attempt to discern factors that contribute to the high fall rate in aging populations; investigators have looked to a task that is often executed while walking--talking. Although the effects of varying cognitive-linguistic load across a variety of dual-tasks have been heavily researched, few studies have systematically examined the contribution of increasingly complex cognitive-linguistic load on the gait parameters of healthy aging adults. Moreover, few researchers have utilized ecologically valid stimuli as a part of their investigation. The broad goal of this research was to examine the nature of the impact of manipulating cognitive-linguistic load hierarchy on gait in healthy aging. Discourse tasks of varying complexity were presented while participants walked a 44-foot walkway. The progression of discourse was from low load (explaining how to perform a task) to high load (completing a story initiated by the investigator). The dependent measures collected included measures of linguistic complexity, fluency, and gait.

ISBN: 9780549717225Subjects--Topical Terms:

168436
Gerontology.

The effects of cognitive load on gait in older adults.
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500 $a Source: Dissertation Abstracts International, Volume: 69-07, Section: B, page: 4135.
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520 $a It is a well-documented fact that the rate of falls increases with advanced age. In an attempt to discern factors that contribute to the high fall rate in aging populations; investigators have looked to a task that is often executed while walking--talking. Although the effects of varying cognitive-linguistic load across a variety of dual-tasks have been heavily researched, few studies have systematically examined the contribution of increasingly complex cognitive-linguistic load on the gait parameters of healthy aging adults. Moreover, few researchers have utilized ecologically valid stimuli as a part of their investigation. The broad goal of this research was to examine the nature of the impact of manipulating cognitive-linguistic load hierarchy on gait in healthy aging. Discourse tasks of varying complexity were presented while participants walked a 44-foot walkway. The progression of discourse was from low load (explaining how to perform a task) to high load (completing a story initiated by the investigator). The dependent measures collected included measures of linguistic complexity, fluency, and gait.
520 $a Results showed a significant effect of cognitive-linguistic load linguistic complexity on measures of discourse. Comparison of fluency measures across conditions revealed that cognitive-linguistic load did not have a significant impact on fluency. However, like measures of discourse, gait parameters were significantly affected by the addition of a secondary cognitive-linguistic task. Theoretically, these results could imply that a change in cognitive-linguistic and gait measures is linked to a sharing of resources involved in the execution of both tasks. In addition, these results also provide insight into dual-task performance and the potential contribution of cognitive-linguistic load on fall rates in healthy and neurologically compromised populations.
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