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Conversational Discourse and Executive Functions in Boys with Idiopathic Autism Spectrum Disorder and Boys with Fragile X Syndrome and Autism Spectrum Disorder.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Conversational Discourse and Executive Functions in Boys with Idiopathic Autism Spectrum Disorder and Boys with Fragile X Syndrome and Autism Spectrum Disorder./
作者:	Friedman, Laura.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	199 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-06, Section: B.
Contained By:	Dissertations Abstracts International82-06B.
標題:	Speech therapy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28260974
ISBN:	9798557003810

Conversational Discourse and Executive Functions in Boys with Idiopathic Autism Spectrum Disorder and Boys with Fragile X Syndrome and Autism Spectrum Disorder.
Friedman, Laura.

Conversational Discourse and Executive Functions in Boys with Idiopathic Autism Spectrum Disorder and Boys with Fragile X Syndrome and Autism Spectrum Disorder. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 199 p.

Source: Dissertations Abstracts International, Volume: 82-06, Section: B.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 2020.

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

The present dissertation included three novel studies that characterized conversational discourse skills in boys with idiopathic autism spectrum disorder (ASD) and fragile X syndrome and co-morbid ASD (FXS+ASD) and explored the impact of executive functions (EFs) on conversational discourse impairments and strengths within these populations. Study 1 built on prior literature on the conversational discourse profiles of boys with idiopathic ASD and FXS+ASD by comprehensively examining conversational discourse impairments (i.e., echolalia, abrupt topic changes, interruptions, topic perseverations, and utterance perseverations) and strengths (i.e., topic initiations through novel questions, offering of novel information, asking reciprocal questions, acknowledging, and response elaborations). Findings indicated that boys with idiopathic ASD and boys with FXS+ASD had a large overlap in their conversational discourse profiles, but boys with FXS+ASD produced more topic changes and topic perseverations as well as fewer instances of offering new information. Study 2 was the first to examine the effect of verbal EFs (specifically, verbal working memory) on conversational discourse impairments and strengths within boys with idiopathic ASD and FXS+ASD. We found that verbal working memory did not predict conversational discourse impairments or strengths in boys with idiopathic ASD. Verbal working memory also did not predict conversational discourse impairments in boys with FXS+ASD, though it did predict conversational discourse strengths, and more specifically, the rate of offering information. Finally, Study 3 provided a preliminary examination of domain-general nonverbal EFs (i.e., shifting, inhibition, and working memory) and conversational discourse in boys with FXS+ASD. An investigation of individual differences indicated that there was substantial heterogeneity within this sample, though we did find significant associations between nonverbal shifting and reciprocal questions, as well as nonverbal inhibition and acknowledging. These studies contributed to the body of work characterizing the respective pragmatic phenotypes of boys with idiopathic ASD and FXS+ASD. This dissertation also provided a foundation for future examinations of conversational discourse and EFs within these groups in an effort to differentiate their respective cognitive-communication profiles.

ISBN: 9798557003810Subjects--Topical Terms:

520446
Speech therapy.
Subjects--Index Terms:

Autism spectrum disorder

Conversational Discourse and Executive Functions in Boys with Idiopathic Autism Spectrum Disorder and Boys with Fragile X Syndrome and Autism Spectrum Disorder.
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