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Molly B. D. Prigge, Erin D. Bigler, Nicholas Lange, Jubel Morgan, Alyson Froehlich, Abigail Freeman, Kristina Kellett, Karen L. Kane, et al.
(2022).
Longitudinal Stability of Intellectual Functioning in Autism Spectrum Disorder: From Age 3 Through Mid-adulthood.
Journal of Autism and Developmental Disorders, 52(10), 4490-4504.
Springer Science and Business Media LLC.
- Publication date
-
22 Oct 2021
- Identifier
-
10.1007/s10803-021-05227-x
- Authors
-
Molly B. D. Prigge,
Erin D. Bigler,
Nicholas Lange,
Jubel Morgan,
Alyson Froehlich,
Abigail Freeman,
Kristina Kellett,
Karen L. Kane,
Carolyn K. King,
June Taylor,
Douglas C. Dean,
Jace B. King,
Jeff S. Anderson,
Brandon A. Zielinski,
Andrew L. Alexander,
Janet E. Lainhart
- Source
- Journal of Autism and Developmental Disorders
- Details
- 52(10), 4490-4504
- Reference type
- article
- Publisher
- Springer Science and Business Media LLC
- Metadata source
- crossref
Abstract
Abstract Intelligence (IQ) scores are used in educational and vocational planning for individuals with autism spectrum disorder (ASD) yet little is known about the stability of IQ throughout development. We examined longitudinal age-related IQ stability in 119 individuals with ASD (3–36 years of age at first visit) and 128 typically developing controls. Intelligence measures were collected over a 20-year period. In ASD, Full Scale (FSIQ) and Verbal (VIQ) Intelligence started lower in childhood and increased at a greater rate with age relative to the control group. By early adulthood, VIQ and working memory stabilized, whereas nonverbal and perceptual scores continued to change. Our results suggest that in individuals with ASD, IQ estimates may be dynamic in childhood and young adulthood.
Study authors in this cited reference