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Northrup, Jessie B.; Leezenbaum, Nina B.; Campbell, Susan B. – Journal of Autism and Developmental Disorders, 2021
Social engagement, pretend play, and concern for another's distress represent fundamental features of typical social-emotional development in the second year. Children with autism spectrum disorder (ASD) display delays and deficits in these areas, and research on toddlers at heightened risk for ASD (HR; younger siblings of children with ASD)…
Descriptors: Social Behavior, Social Development, Emotional Development, Autism
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Raza, Sarah; Sacrey, Lori-Ann R.; Zwaigenbaum, Lonnie; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2020
Social-emotional behavior in autism spectrum disorder (ASD) was examined among high-risk (HR; siblings of children diagnosed with ASD) and low-risk (LR; no family history of ASD) toddlers. Caregivers completed the Infant-Toddler Social Emotional Assessment (ITSEA) at 18 months, and blind diagnostic assessment for ASD was conducted at 36 months.…
Descriptors: Autism, Pervasive Developmental Disorders, Genetics, Clinical Diagnosis
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Bachevalier, Jocelyne – Journal of Autism and Developmental Disorders, 1996
Research on humans and monkeys is reviewed that supports the view that the medial temporal lobe, and, perhaps more specifically the amygdala, is the neural substrate underlying social deficits in autism. The relationship of early medial temporal lobe lesions to memory and socioemotional behavior is reviewed, as are the roles of the amygdala and…
Descriptors: Autism, Emotional Development, Etiology, Interpersonal Competence