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Exploring the approximate number system in Sotos syndrome: Insights from a dot comparison task

Lane, C; Van Herwegen, J; Freeth, M; (2019) Exploring the approximate number system in Sotos syndrome: Insights from a dot comparison task. Journal of Intellectual Disability Research 10.1111/jir.12604. (In press).

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Lane et al 2019 Exploring the Approxmiate Number System in Sotos Syndrome Accepted Version.pdf - Accepted version
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Abstract

Background: Sotos syndrome is a congenital overgrowth condition associated with intellectual disability and an uneven cognitive profile. Previous research has established that individuals with Sotos syndrome have relatively poor mathematical ability, but domain‐specific numeracy skills have not been explored within this population. This study investigated the approximate number system (ANS) in Sotos syndrome. Method: A dot comparison task was administered to 20 participants with Sotos syndrome (mean age in years = 18.43, SD = 9.29). Performance was compared to a chronological agematched typically developing control group (n = 25) and a mental age‐matched Williams syndrome group (n = 24). Results: The Sotos group did not display an ANS deficit overall when compared to chronological agematched control participants. However, for trials where the size of the individual dots and the envelope area were negatively correlated with the total number of dots (incongruent trials), the Sotos group were less accurate than the typically developing group but more accurate than the Williams syndrome group, suggesting an inhibitory control deficit. Better accuracy on incongruent trials, but not congruent trials, was associated with higher quantitative reasoning ability for participants with Sotos syndrome. Conclusion: Overall, the findings suggest that ANS acuity is not impaired in Sotos syndrome but that numerical difficulties may be associated with an inhibitory control deficit for individuals with Sotos syndrome.

Type: Article
Title: Exploring the approximate number system in Sotos syndrome: Insights from a dot comparison task
DOI: 10.1111/jir.12604
Publisher version: https://doi.org/10.1111/jir.12604
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: approximate number system,congruency, numeracy, Sotos syndrome
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > IOE - Learning and Leadership
URI: https://discovery.ucl.ac.uk/id/eprint/10067774
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