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Working Memory Performance in Youth ...

Green, Stephanie Lynn.

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Working Memory Performance in Youth Following Concussion: Exploring Development, Performance Errors and Variability.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Working Memory Performance in Youth Following Concussion: Exploring Development, Performance Errors and Variability./
作者:	Green, Stephanie Lynn.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:	148 p.
附註:	Source: Dissertations Abstracts International, Volume: 80-06, Section: B.
Contained By:	Dissertations Abstracts International80-06B.
標題:	Neurosciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10843022
ISBN:	9780438680524

Working Memory Performance in Youth Following Concussion: Exploring Development, Performance Errors and Variability.
Green, Stephanie Lynn.

Working Memory Performance in Youth Following Concussion: Exploring Development, Performance Errors and Variability. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 148 p.

Source: Dissertations Abstracts International, Volume: 80-06, Section: B.

Thesis (Ph.D.)--University of Toronto (Canada), 2018.

This item must not be sold to any third party vendors.

Concussion represents a growing concern for youth in Canada. Following concussion, youth present with reduced cognitive performance, including working memory (WM) and processing speed. Youth represent a population of special interest following concussion, with longer recovery than adults and potential impact to the long-term development of cognitive abilities. This thesis explored changes in WM performance and processing speed in youth aged 10-14 years following concussion. The greater objective was to describe how WM performance changes in youth to inform development of clinical assessment and treatment. The initial study chapter described WM performance in uninjured youth athletes and explored how performance errors and variability relate to age (n=96; aged 9-12 years). The following two study chapters compared pre- and post-concussion WM performance through accuracy and performance errors, and average reaction time (RT) and intraindividual variability of reaction times (n=21 and 18 respectively; aged 10-14 years). All studies utilized an experimental verbal and non-verbal WM task. Developmental findings showed a positive relationship between verbal and nonverbal WM accuracy and age, and a negative relationship between verbal WM false alarms and age. The chapters exploring concussion found decreased verbal WM accuracy, increased verbal WM false alarms and miss errors, and increased nonverbal WM false alarms and intraindividual variability. Overall findings suggest that following concussion, youth exhibit reduced WM performance, false alarms may be more sensitive to WM performance change following concussion than accuracy, and variability in RT may be more sensitive to processing speed changes than average speed following concussion in youth. Clinical implications of reduced WM performance and variability in reaction time include decreased performance in activities of daily living such as school and sport.

ISBN: 9780438680524Subjects--Topical Terms:

588700
Neurosciences.
Subjects--Index Terms:

Concussion

Working Memory Performance in Youth Following Concussion: Exploring Development, Performance Errors and Variability.
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