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ERIC Number: EJ1096492
Record Type: Journal
Publication Date: 2016-May
Pages: 13
Abstractor: As Provided
ISSN: ISSN-0162-3257
Exploring What's Missing: What Do Target Absent Trials Reveal about Autism Search Superiority?
Keehn, Brandon; Joseph, Robert M.
Journal of Autism and Developmental Disorders, v46 n5 p1686-1698 May 2016
We used eye-tracking to investigate the roles of enhanced discrimination and peripheral selection in superior visual search in autism spectrum disorder (ASD). Children with ASD were faster at visual search than their typically developing peers. However, group differences in performance and eye-movements did not vary with the level of difficulty of discrimination or selection. Rather, consistent with prior ASD research, group differences were mainly the effect of faster performance on target-absent trials. Eye-tracking revealed a lack of left-visual-field search asymmetry in ASD, which may confer an additional advantage when the target is absent. Lastly, ASD symptomatology was positively associated with search "superiority," the mechanisms of which may shed light on the atypical brain organization that underlies social-communicative impairment in ASD.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A