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Cognition in swallowing: Is attenti...

Brodsky, Martin B.

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Cognition in swallowing: Is attention involved?

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Cognition in swallowing: Is attention involved?/
作者:	Brodsky, Martin B.
面頁冊數:	179 p.
附註:	Adviser: Katherine Verdolini.
Contained By:	Dissertation Abstracts International67-06B.
標題:	Health Sciences, Pathology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3223947
ISBN:	9780542747564

Cognition in swallowing: Is attention involved?
Brodsky, Martin B.

Cognition in swallowing: Is attention involved? - 179 p.

Adviser: Katherine Verdolini.

Thesis (Ph.D.)--University of Pittsburgh, 2006.

This study examined the hypothesis that cognitive resources may be involved in swallowing. The approach involved a dual-task, reaction time (RT) paradigm with 10 healthy, non-impaired (NI) control participants and 10 participants in early to middle stages of Parkinson's disease (PD). First, baseline measures were obtained for durations of anticipatory phase and oropharyngeal phase during swallowing and RTs to non-word, auditory stimuli. Next, a dual-task was introduced requiring participants to swallow 5 ml of water from a cup while listening for a target non-word presented auditorily during anticipatory or oropharyngeal phases. Target stimuli were randomized across 19 baseline/single-task and 19 dual-task trials. For the single-task data, repeated measures analyses of variance were used to assess differences in (a) durations of the anticipatory phase across trials within and between participant groups; (b) durations of the oropharyngeal phase across trials within and between participant groups; and (c) durations of reaction times across trials within and between groups. For the dual-task data, analyses of variance were used to assess differences in (a) durations of the anticipatory phase between baseline/single-task and dual-task conditions; (b) durations of the oropharyngeal phase between baseline/single-task and dual-task conditions; and (c) durations of reaction times between baseline/single-task and dual-task conditions for each of the two swallowing phases. Results showed slowed swallowing and RTs in participants with PD compared to controls in both anticipatory and oropharyngeal phases of swallowing. This effect was largely carried by participants in more severe, mid-stage disease as compared to early disease. The anticipatory phase was more affected than the oropharyngeal phase, suggesting that cognitive demands may be greater for that phase. Swallowing durations were similar for NIs and participants in early stage PD, underscoring the strength and persistent nature of swallowing.

ISBN: 9780542747564Subjects--Topical Terms:

1017854
Health Sciences, Pathology.

Cognition in swallowing: Is attention involved?
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