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ERIC Number: EJ1060019
Record Type: Journal
Publication Date: 2015-Apr
Pages: 13
Abstractor: As Provided
Reference Count: N/A
ISBN: N/A
ISSN: ISSN-1092-4388
Effect of Speaker Gaze on Word Learning in Fragile X Syndrome: A Comparison with Nonsyndromic Autism Spectrum Disorder
Benjamin, David P.; McDuffie, Andrea S.; Thurman, Angela J.; Kover, Sara T.; Mastergeorge, Ann M.; Hagerman, Randi J.; Abbeduto, Leonard
Journal of Speech, Language, and Hearing Research, v58 n2 p383-395 Apr 2015
Purpose: This study examined use of a speaker's direction of gaze during word learning by boys with fragile X syndrome (FXS), boys with nonsyndromic autism spectrum disorder (ASD), and typically developing (TD) boys. Method: A fast-mapping task with follow-in and discrepant labeling conditions was administered. We expected that the use of speaker gaze would lead to participants selecting as the referent of the novel label the object to which they attended in follow-in trials and the object to which the examiner attended in the discrepant labeling trials. Participants were school-aged boys with FXS (n = 18) or ASD (n = 18) matched on age, intelligence quotient, and nonverbal cognition and younger TD boys (n = 18) matched on nonverbal cognition. Results: All groups performed above chance in both conditions, although the TD boys performed closest to the expected pattern. Boys with FXS performed better during follow-in than in discrepant label trials, whereas TD boys and boys with ASD did equally well in both trial types. The type of trial administered first influenced subsequent responding. Error patterns also distinguished the groups. Conclusion: The ability to utilize a speaker's gaze during word learning is not as well developed in boys with FXS or nonsyndromic ASD as in TD boys of the same developmental level.
American Speech-Language-Hearing Association (ASHA). 10801 Rockville Pike, Rockville, MD 20852. Tel: 800-638-8255; Fax: 301-571-0457; e-mail: subscribe@asha.org; Web site: http://jslhr.asha.org
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) (NIH)
Authoring Institution: N/A
IES Grant or Contract Numbers: R01 HD054764|U54 HD079125