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Infant Communication across the Transition to Walking: Developmental Cascades among Infant Siblings of Children with Autism
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Kelsey L. West; Sarah E. Steward; Emily Roemer Britsch; Jana M. Iverson – Journal of Autism and Developmental Disorders, 2024
New motor skills can shape how infants communicate with their caregivers. For example, learning to walk allows infants to move faster and farther than they previously could, in turn allowing them to approach their caregivers more frequently to gesture or vocalize. Does the link between walking and communication differ for infants later diagnosed…
Descriptors: Infants, Infant Behavior, Physical Mobility, Child Language
Comparison of Parent Questionnaires, Examiner-Led Assessment and Parents' Concerns at 14 Months of Age as Indicators of Later Diagnosis of Autism
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Pasco, Greg; Davies, Kim; Ribeiro, Helena; Tucker, Leslie; Allison, Carrie; Baron-Cohen, Simon; Johnson, Mark H.; Charman, Tony – Journal of Autism and Developmental Disorders, 2021
Parents participating in a prospective longitudinal study of infants with older siblings with autism completed an autism screening questionnaire and were asked about any concerns relating to their child's development, and children were administered an interactive assessment conducted by a researcher at 14 months. Scores on the parent questionnaire…
Descriptors: Questionnaires, Parents, Infants, Autism
Social Interactions between 24-Month-Old Children and Their Older Sibling with Autism Spectrum Disorder: Characteristics and Association with Social-Communicative Development
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Bontinck, Chloè; Warreyn, Petra; Demurie, Ellen; Bruyneel, Eva; Boterberg, Sofie; Roeyers, Herbert – Journal of Autism and Developmental Disorders, 2018
This study compared sibling interactions between 24-month-old children and their older sibling with ASD (high-risk; n = 24) with 24-month-old children and their typically developing older sibling (low-risk; n = 32). First, high-risk sibling pairs showed lower levels of positive behaviour and younger siblings of children with ASD imitated their…
Descriptors: Sibling Relationship, Siblings, Children, Autism
Screening for Autism Spectrum Disorders in 12-Month-Old High-Risk Siblings by Parental Report
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Rowberry, Justin; Macari, Suzanne; Chen, Grace; Campbell, Daniel; Leventhal, John M.; Weitzman, Carol; Chawarska, Katarzyna – Journal of Autism and Developmental Disorders, 2015
This study examines whether parental report of social-communicative and repetitive behaviors at 12 months can be helpful in identifying autism spectrum disorder (ASD) in younger siblings of children with ASD [high-risk (HR)-siblings]. Parents of HR-siblings and infants without a family history of ASD completed the First Year Inventory at…
Descriptors: Autism, Pervasive Developmental Disorders, Screening Tests, Infants
Alpha Asymmetry in Infants at Risk for Autism Spectrum Disorders
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Gabard-Durnam, Laurel; Tierney, Adrienne L.; Vogel-Farley, Vanessa; Tager-Flusberg, Helen; Nelson, Charles A. – Journal of Autism and Developmental Disorders, 2015
An emerging focus of research on autism spectrum disorder (ASD) targets the identification of early-developing ASD endophenotypes using infant siblings of affected children. One potential neural endophenotype is resting frontal electroencephalogram (EEG) alpha asymmetry, a metric of hemispheric organization. Here, we examined the development of…
Descriptors: Pervasive Developmental Disorders, Autism, Infants, At Risk Persons
Autism Spectrum Disorder Symptoms in Infants with Fragile X Syndrome: A Prospective Case Series
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Hogan, Abigail L.; Caravella, Kelly E.; Ezell, Jordan; Rague, Lisa; Hills, Kimberly; Roberts, Jane E. – Journal of Autism and Developmental Disorders, 2017
No studies to date have prospectively examined early autism spectrum disorder (ASD) markers in infants with fragile X syndrome (FXS), who are at elevated risk for ASD. This paper describes the developmental profiles of eight infants with FXS from 9 to 24 months of age. Four meet diagnostic criteria for ASD at 24 months of age, and four do not.…
Descriptors: Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders), Infants
Failure in Pantomime Action Execution Correlates with the Severity of Social Behavior Deficits in Children with Autism: A Praxis Study
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Gizzonio, Valentina; Avanzini, Pietro; Campi, Cristina; Orivoli, Sonia; Piccolo, Benedetta; Cantalupo, Gaetano; Tassinari, Carlo Alberto; Rizzolatti, Giacomo; Fabbri-Destro, Maddalena – Journal of Autism and Developmental Disorders, 2015
Here we describe the performance of children with autism, their siblings, and typically developing children using the Florida Apraxia Battery. Children with autism showed the lowest performance in all sections of the test. They were mostly impaired in pantomime actions execution on imitation and on verbal command, and in imitation of meaningless…
Descriptors: Nonverbal Communication, Autism, Children, Siblings
Prediction of Autism at 3 Years from Behavioural and Developmental Measures in High-Risk Infants: A Longitudinal Cross-Domain Classifier Analysis
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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
Autism Spectrum Disorder Risk Factors and Autistic Traits in Gender Dysphoric Children
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VanderLaan, Doug P.; Leef, Jonathan H.; Wood, Hayley; Hughes, S. Kathleen; Zucker, Kenneth J. – Journal of Autism and Developmental Disorders, 2015
Gender dysphoria (GD) and autism spectrum disorder (ASD) are associated. In 49 GD children (40 natal males), we examined ASD risk factors (i.e., birth weight, parental age, sibling sex ratio) in relation to autistic traits. Data were gathered on autistic traits, birth weight, parents' ages at birth, sibling sex ratio, gender nonconformity, age,…
Descriptors: Autism, Pervasive Developmental Disorders, Gender Issues, Sexual Identity
Intervention for Infants at Risk of Developing Autism: A Case Series
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Green, Jonathan; Wan, Ming Wai; Guiraud, Jeanne; Holsgrove, Samina; McNally, Janet; Slonims, Vicky; Elsabbagh, Mayada; Charman, Tony; Pickles, Andrew; Johnson, Mark – Journal of Autism and Developmental Disorders, 2013
Theory and evidence suggest the potential value of prodromal intervention for infants at risk of developing autism. We report an initial case series (n = 8) of a parent-mediated, video-aided and interaction-focused intervention with infant siblings of autistic probands, beginning at 8-10 months of age. We outline the theory and evidence base…
Descriptors: Intervention, At Risk Persons, Infants, Autism
Early Developmental Regression in Autism Spectrum Disorder: Evidence from an International Multiplex Sample
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Parr, Jeremy R.; Le Couteur, Ann; Baird, Gillian; Rutter, Michael; Pickles, Andrew; Fombonne, Eric; Bailey, Anthony J. – Journal of Autism and Developmental Disorders, 2011
The characteristics of early developmental regression (EDR) were investigated in individuals with ASD from affected relative pairs recruited to the International Molecular Genetic Study of Autism Consortium (IMGSAC). Four hundred and fifty-eight individuals with ASD were recruited from 226 IMGSAC families. Regression before age 36 months occurred…
Descriptors: Autism, Child Development, Pervasive Developmental Disorders, Siblings
Predictive and Concurrent Validity of Parent Concern about Young Children at Risk for Autism
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Hess, Christine Reiner; Landa, Rebecca J. – Journal of Autism and Developmental Disorders, 2012
Parents' concerns about their children's development were examined prospectively at 14, 24, and 36 months for 89 younger siblings of a child with autism. Parent reported concern was high at all ages (40-75%) and was higher at 24 and 36 months in children with ASD than non-ASD outcomes (p less than 0.05). Communication concerns were reported most…
Descriptors: Siblings, Autism, Standardized Tests, Test Validity
Play and Developmental Outcomes in Infant Siblings of Children with Autism
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Christensen, Lisa; Hutman, Ted; Rozga, Agata; Young, Gregory S.; Ozonoff, Sally; Rogers, Sally J.; Baker, Bruce; Sigman, Marian – Journal of Autism and Developmental Disorders, 2010
We observed infant siblings of children with autism later diagnosed with ASD (ASD siblings; n = 17), infant siblings of children with autism with and without other delays (Other Delays and No Delays siblings; n = 12 and n = 19, respectively) and typically developing controls (TD controls; n = 19) during a free-play task at 18 months of age.…
Descriptors: Siblings, Play, Mental Age, Autism
Developmental Trajectories in Siblings of Children with Autism: Cognition and Language from 4 Months to 7 Years
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Gamliel, Ifat; Yirmiya, Nurit; Jaffe, Dena H.; Manor, Orly; Sigman, Marian – Journal of Autism and Developmental Disorders, 2009
We compared the cognitive and language development at 4, 14, 24, 36, 54 months, and 7 years of siblings of children with autism (SIBS-A) to that of siblings of children with typical development (SIBS-TD) using growth curve analyses. At 7 years, 40% of the SIBS-A, compared to 16% of SIBS-TD, were identified with cognitive, language and/or academic…
Descriptors: Siblings, Autism, Language Acquisition, Cognitive Development
The Development of Young Siblings of Children with Autism from 4 to 54 Months
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Gamliel, Ifat; Yirmiya, Nurit; Sigman, Marian – Journal of Autism and Developmental Disorders, 2007
Cognitive and language skills of 39 siblings of children with autism (SIBS-A) and 39 siblings of typically developing children (SIBS-TD) at ages 4, 14, 24, 36, and 54 months were compared. Twelve of the 39 SIBS-A revealed a delay in cognition and/or language (including one child diagnosed with autism) compared to only two SIBS-TD. Developmental…
Descriptors: Language Skills, Siblings, Language Aptitude, Expressive Language
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