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Direct linkHelt, Molly S.; Eigsti, Inge-Marie; Snyder, Peter J.; Fein, Deborah A. – Child Development, 2010
The authors tested susceptibility to contagious yawning in 120 children, 1-6 years, to identify the time course of its emergence during development. Results indicated a substantial increase in the frequency of contagious yawning at 4 years. In a second study, the authors examined contagious yawning in 28 children with autism spectrum disorders…
Descriptors: Control Groups, Age, Autism, Child Development
Peer reviewedCorona, Rosalie; Dissanayake, Cheryl; Arbelle, Shoshana; Wellington, Peter; Sigman, Marian – Child Development, 1998
Compared attention, behavioral reaction, facial affect, and cardiac responses of 22 autistic and 22 mentally retarded preschoolers to emotional displays. Found that both groups looked more at the experimenter and displayed more interest and concern when the experimenter showed strong distress than when she showed neutral affect. Autistic…
Descriptors: Affective Behavior, Attention, Autism, Child Behavior
