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McClellanville Library
9 a.m. - 6 p.m.
Phone: (843) 887-3699
Folly Beach Library
9 a.m. - 5:30 p.m.
Phone: (843) 588-2001
Miss Jane's Building (Edisto Library Temporary Location)
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Main Library
9 a.m. - 8 p.m.
Phone: (843) 805-6930
West Ashley Library
9 a.m. - 7 p.m.
Phone: (843) 766-6635
John L. Dart Library
9 a.m. - 7 p.m.
Phone: (843) 722-7550
St. Paul's/Hollywood Library
9 a.m. - 8 p.m.
Phone: (843) 889-3300
Mt. Pleasant Library
9 a.m. – 8 p.m.
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Dorchester Road Library
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Edgar Allan Poe/Sullivan's Island Library
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John's Island Library
9 a.m. - 8 p.m.
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Wando Mount Pleasant Library
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Look duration at the face as a developmental endophenotype: elucidating pathways to autism and ADHD.
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- Author(s): Gui, Anna (AUTHOR); Mason, Luke (AUTHOR); Gliga, Teodora (AUTHOR); Hendry, Alexandra (AUTHOR); Begum Ali, Jannath (AUTHOR); Pasco, Greg (AUTHOR); Shephard, Elizabeth (AUTHOR); Curtis, Charles (AUTHOR); Charman, Tony (AUTHOR); Johnson, Mark H. (AUTHOR); Meaburn, Emma (AUTHOR); Jones, Emily J. H. (AUTHOR); Elison, Jed T. (AUTHOR)
- Source:
Development & Psychopathology. Oct2020, Vol. 32 Issue 4, p1303-1322. 20p. - Source:
- Additional Information
- Subject Terms:
- Abstract: Identifying developmental endophenotypes on the pathway between genetics and behavior is critical to uncovering the mechanisms underlying neurodevelopmental conditions. In this proof-of-principle study, we explored whether early disruptions in visual attention are a unique or shared candidate endophenotype of autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD). We calculated the duration of the longest look (i.e., peak look) to faces in an array-based eye-tracking task for 335 14-month-old infants with and without first-degree relatives with ASD and/or ADHD. We leveraged parent-report and genotype data available for a proportion of these infants to evaluate the relation of looking behavior to familial (n = 285) and genetic liability (using polygenic scores, n = 185) as well as ASD and ADHD-relevant temperament traits at 2 years of age (shyness and inhibitory control, respectively, n = 272) and ASD and ADHD clinical traits at 6 years of age (n = 94). Results showed that longer peak looks at the face were associated with elevated polygenic scores for ADHD (β = 0.078, p =.023), but not ASD (β = 0.002, p =.944), and with elevated ADHD traits in mid-childhood (F(1,88) = 6.401, p =.013, $\eta _p^2$ =0.068; ASD: F (1,88) = 3.218, p =.076), but not in toddlerhood (ps > 0.2). This pattern of results did not emerge when considering mean peak look duration across face and nonface stimuli. Thus, alterations in attention to faces during spontaneous visual exploration may be more consistent with a developmental endophenotype of ADHD than ASD. Our work shows that dissecting paths to neurodevelopmental conditions requires longitudinal data incorporating polygenic contribution, early neurocognitive function, and clinical phenotypic variation. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Development & Psychopathology is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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