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Effects of internal and external foc...

James, Eric G.

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Effects of internal and external focus of attention on relative phase stability in rhythmic bimanual movements.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Effects of internal and external focus of attention on relative phase stability in rhythmic bimanual movements./
作者:	James, Eric G.
面頁冊數:	118 p.
附註:	Adviser: Charles Layne.
Contained By:	Masters Abstracts International44-06.
標題:	Biology, Physiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1436283
ISBN:	9780542745355

Effects of internal and external focus of attention on relative phase stability in rhythmic bimanual movements.
James, Eric G.

Effects of internal and external focus of attention on relative phase stability in rhythmic bimanual movements. - 118 p.

Adviser: Charles Layne.

Thesis (M.S.)--University of Houston, 2006.

Recent research has countered the longstanding assumption that movement variability is white noise superimposed upon a deterministic motor output signal. The present study examined the relationship between structural complexity (Approximate Entropy) within movement time series and variability while attending to internal or external sources of behavioral information to produce rhythmic bimanual elbow flexion-extension movement patterns of varying stability. Participants (N = 20) performed 13 relative phase movement patterns while controlling movement via internal (instructions regarding relative arm position) and external (synchronization of movement with auditory tones) behavioral information. Results indicated significantly higher complexity and deviation from target relative phase in unstable (15°--165°) than in stable (0° and 180°) relative phase movement patterns. External behavioral information produced significantly lower variability and deviation from target relative phase. Suggested is the nervous system's capacity to manage complexity in relation to task complexity requirements may be the fundamental control parameter in coordination dynamics.

ISBN: 9780542745355Subjects--Topical Terms:

1017816
Biology, Physiology.

Effects of internal and external focus of attention on relative phase stability in rhythmic bimanual movements.
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