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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 2 of 2 1 The Effects of Cognitive Load on Gait in Older Adults Wilson, Kimberly R. (authoraut); Stierwalt, Julie A.G. (professor directing dissertation); Zwaan, Rolf A. (outside committee member); LaPointe, Leonard L. (committee member); Lasker, Joanne (committee member); Scott, Lisa (committee member); School of Communication (degree granting department); Florida State University (degree granting institution). - : Florida State University Abstract: 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. 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. ; A Dissertation submitted to the Department of Communication Disorders in partial fulfillment of the requirements for the degree of Doctor of Philosophy. ; Degree Awarded: Spring Semester, 2008. ; Date of Defense: March 3, 2008. ; Aging, Cognitive-Linguistic Load, Gait, Speech ; Includes bibliographical references. ; Julie A.G. Stierwalt, Professor Directing Dissertation; Rolf A. Zwaan, Outside Committee Member; Leonard L. LaPointe, Committee Member; Joanne Lasker, Committee Member; Lisa Scott, Committee Member. Keyword: Communication URL: http://purl.flvc.org/fsu/fd/FSU_migr_etd-0905 http://diginole.lib.fsu.edu/islandora/object/fsu%3A169136/datastream/TN/view/Effects%20of%20Cognitive%20Load%20on%20Gait%20in%20Older%20Adults.jpg BASE Hide details 2 Influence of Non-Semantic Gesture on Low-Frequency Lexical Retrieval LaPointe, Leonard L. (professor co-directing dissertation); Lasker, Joanne (committee member); Kim, Min Jung (authoraut). - : Florida State University BASE Show details

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