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Genetic and Environmental Contributions to the Development of Childhood Aggression
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Lubke, Gitta H.; McArtor, Daniel B.; Boomsma, Dorret I.; Bartels, Meike – Developmental Psychology, 2018
Longitudinal data from a large sample of twins participating in the Netherlands Twin Register (n = 42,827, age range 3-16) were analyzed to investigate the genetic and environmental contributions to childhood aggression. Genetic auto-regressive (simplex) models were used to assess whether the same genes are involved or whether new genes come into…
Descriptors: Foreign Countries, Longitudinal Studies, Twins, Aggression
Face Identity Recognition and the Social Difficulties Component of the Autism-Like Phenotype: Evidence for Phenotypic and Genetic Links
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Lewis, Gary J.; Shakeshaft, Nicolas G.; Plomin, Robert – Journal of Autism and Developmental Disorders, 2018
Autism spectrum disorder (ASD) and autism-like traits are associated with deficits in face memory ability, although it is not yet clear whether this deficit reflects a specific aspect of the ASD/autism-like phenotype. We addressed this issue using a neurotypical sample of adolescent twins (N[subscript complete pairs] = 782) drawn from the Twins…
Descriptors: Autism, Pervasive Developmental Disorders, Identification, Genetics
Language Development in a Hearing and a Deaf Twin with Simultaneous Bilateral Cochlear Implants
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Ruggirello, Caterina; Mayer, Connie – Journal of Deaf Studies and Deaf Education, 2010
This case study is an examination of the language development of a single pair of fraternal twins--one with a profound, sensorineural hearing loss who received simultaneous bilateral cochlear implants at 1 year of age and the other with normal hearing. The purpose of the study was to compare the twins' language development over time from 6 months…
Descriptors: Twins, Hearing Impairments, Language Acquisition, Deafness
Theory of Mind May Be Contagious, but You Don't Catch It From Your Twin
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Cassidy, Kimberly Wright; Fineberg, Deborah Shaw; Brown, Kimberly; Perkins, Alexis – Child Development, 2005
The theory-of-mind abilities of twins, children with nontwin siblings, and only children were compared to investigate further the link between number and type of siblings and theory-of-mind abilities. Three- to 5-year-old children with nontwin siblings outperformed both only children and twins with no other siblings, twins who also had other…
Descriptors: Twins, Cognitive Development, Siblings, Comparative Analysis
Impact of Twin-to-Twin Transfusion Syndrome, Preterm Birth, and Vision Loss on Development
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Celeste, Marie – Journal of Visual Impairment and Blindness, 2005
This study compared the developmental outcomes of twin boys (one who is blind and one who is sighted) who were born prematurely and diagnosed with twin-to-twin transfusion syndrome (TTTS) at age 24 months. The results indicate a disparity in the developmental outcomes of the twins. Although the medical risk factors that are associated with TTTS…
Descriptors: Vision, Risk, Premature Infants, Twins
Triplet Birth and Infant Development: The Impact of Intrauterine Growth and Maternal-Infant Interaction on the Infant's Emotional and Cognitive Development
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Eidelman, Arthur I.; Feldman, Ruth – Zero to Three, 2006
The explosion in the rate of multiple births has led to new questions about how adequately prepared parents are for the demands of raising triplets and the implications for the healthy development of the infants. The authors examined the relationship between mothering, infant social behavior, and cognitive development in a longitudinal study of 23…
Descriptors: Mothers, Social Behavior, Infants, Interaction