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McDonald, Nicole M.; Baker, Jason K.; Messinger, Daniel S. – Developmental Psychology, 2016
This longitudinal study investigated whether variation in the oxytocin receptor gene (OXTR) and early parent-child interactions predicted later empathic behavior in 84 toddlers at high or low familial risk for autism spectrum disorder. Two well-studied OXTR single-nucleotide polymorphisms, rs53576 and rs2254298, were examined. Parent-child…
Descriptors: Genetics, Physiology, Parent Child Relationship, Interaction
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Serrien, Deborah J.; Sovijärvi-Spapé, Michiel M.; Rana, Gita – Developmental Psychology, 2014
Manual dexterity is known to gradually progress with developmental age. In this study, we evaluate the performance of unimanual and bimanual actions under perturbed and unperturbed conditions in children between 4 and 10 years of age. Behavior was assessed by means of trajectory measurements and degree of bimanual coupling. The results showed that…
Descriptors: Psychomotor Skills, Motor Development, Young Children, Age Differences
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Bendersky, Margaret; Lewis, Michael – Developmental Psychology, 1994
Examined the impact of 2 environmental factors--social class and family risk levels--and 2 biological factors--intraventricular hemorrhage (IVH) and medical risk--on the cognitive and motor development of 175 preterm infants. Family risk, early medical risk, and the interaction of family risk and IVH were found to be significant predictors of…
Descriptors: Age Differences, At Risk Persons, Biological Influences, Cognitive Development