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Direct linkEinat Waizbard; Emilio Ferrer; Meghan Miller; Brianna Heath; Derek S. Andrews; Sally J. Rogers; Christine Wu Nordahl; Marjorie Solomon; David G. Amaral – Autism: The International Journal of Research and Practice, 2025
Girls, more than boys, experience a decrease in the severity of autism symptoms during childhood. It is unclear, however, which specific autistic behaviors change more for girls than for boys. Trajectories of autism symptoms were evaluated using the Autism Diagnostic Observation Schedule-calibrated severity scores (ADOS-CSS). Change in the…
Descriptors: Autism Spectrum Disorders, Symptoms (Individual Disorders), Severity (of Disability), Gender Differences
Bussu, G.; Jones, E. J. H.; Charman, T.; Johnson, M. H.; Buitelaar, J. K.; Baron-Cohen, S.; Bedford, R.; Bolton, P.; Blasi, A.; Chandler, S.; Cheung, C.; Davies, K.; Elsabbagh, M.; Fernandes, J.; Gammer, I.; Garwood, H.; Gliga, T.; Guiraud, J.; Hudry, K.; Liew, M.; Lloyd-Fox, S.; Maris, H.; O'Hara, L.; Pasco, G.; Pickles, A.; Ribeiro, H.; Salomone, E.; Tucker, L.; Volein, A. – Journal of Autism and Developmental Disorders, 2018
We integrated multiple behavioural and developmental measures from multiple time-points using machine learning to improve early prediction of individual Autism Spectrum Disorder (ASD) outcome. We examined Mullen Scales of Early Learning, Vineland Adaptive Behavior Scales, and early ASD symptoms between 8 and 36 months in high-risk siblings (HR; n…
Descriptors: Prediction, Autism, Symptoms (Individual Disorders), Classification
Wu, Chin-Chin; Chiang, Chung-Hsin – Autism: The International Journal of Research and Practice, 2014
To explore the different developmental trajectories of social-communicative skills in children with autism and typically developing infants, two longitudinal studies were conducted. In Study 1, we examined the developmental sequence of social-communicative skills in 26 typically developing infants when they were 9 months old and reexamined them…
Descriptors: Autism, Pervasive Developmental Disorders, Child Development, Interpersonal Competence
McCormick, Carolyn; Hepburn, Susan; Young, Gregory S.; Rogers, Sally J. – Autism: The International Journal of Research and Practice, 2016
Sensory symptoms are prevalent in autism spectrum disorder but little is known about the early developmental patterns of these symptoms. This study examined the development of sensory symptoms and the relationship between sensory symptoms and adaptive functioning during early childhood. Three groups of children were followed across three time…
Descriptors: Adjustment (to Environment), Longitudinal Studies, Pervasive Developmental Disorders, Developmental Delays
Winder, Breanna M.; Wozniak, Robert H.; Parladé, Meaghan V.; Iverson, Jana M. – Developmental Psychology, 2013
Communication spontaneously initiated by infants at heightened risk (HR; n = 15) for autism spectrum disorders (ASD) is compared with that in low-risk (LR; n = 15) infants at 13 and 18 months of age. Infants were observed longitudinally during naturalistic in-home interaction and semistructured play with caregivers. At both ages, HR infants…
Descriptors: Communication Skills, Infants, At Risk Persons, Autism
Developmental Trajectories in Children with and without Autism Spectrum Disorders: The First 3 Years
Landa, Rebecca J.; Gross, Alden L.; Stuart, Elizabeth A.; Faherty, Ashley – Child Development, 2013
Retrospective studies indicate 2 major classes of autism spectrum disorder (ASD) onset: early and later, after a period of relatively healthy development. This prospective, longitudinal study examined social, language, and motor trajectories in 235 children with and without a sibling with autism, ages 6-36 months. Children were grouped as: ASD…
Descriptors: Pervasive Developmental Disorders, Autism, Comparative Analysis, Longitudinal Studies
Stronach, Sheri; Wetherby, Amy M. – Autism: The International Journal of Research and Practice, 2014
This prospective study of the FIRST WORDS® Project examined restricted and repetitive behaviors in a sample of 55 toddlers at a mean age of 20 months who were later diagnosed with autism spectrum disorder. Restricted and repetitive behaviors were coded using the Repetitive Movement and Restricted Interest Scales in two video-recorded observation…
Descriptors: Behavior Problems, Young Children, Autism, Pervasive Developmental Disorders
Bal, Vanessa Hus; Kim, So-Hyun; Cheong, Daniel; Lord, Catherine – Autism: The International Journal of Research and Practice, 2015
Daily living skills (DLS), such as personal hygiene, meal preparation, and money management, are important to independent living. Research suggests that many individuals with autism spectrum disorder exhibit impairments in daily living skills relative to their cognitive skills. This study examined predictors of daily living skills attainment and…
Descriptors: Daily Living Skills, Autism, Pervasive Developmental Disorders, Children
Young, Gregory S.; Rogers, Sally J.; Hutman, Ted; Rozga, Agata; Sigman, Marian; Ozonoff, Sally – Developmental Psychology, 2011
The development of imitation during the second year of life plays an important role in domains of sociocognitive development such as language and social learning. Deficits in imitation ability in persons with autism spectrum disorder (ASD) from toddlerhood into adulthood have also been repeatedly documented, raising the possibility that early…
Descriptors: Socialization, Autism, Imitation, Infants
