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Behavioral Patterns in Full-Term and Preterm Twins
Published online by Cambridge University Press: 01 August 2014
Abstract
Scores from a behavioral assessment of 160 stable preterm newborn twins were compared with those obtained from 120 full-term newborn twins. The twins were examined during various activities to obtain representative samples of behavior in the following behavioral categories: irritability, resistance to soothing, reactivity, reinforcement value, and activity level. Within-pair correlations were found in all of the behavioral categories, suggesting a constitutional influence on behavioral patterns during the neonatal period. The preterm infants demonstrated internal consistency of behavior similar to that of the full-term group in the first three categories. However, group differences were found when comparing the preterm with the full-term infants on actual ratings of the items. Behavioral differences between these full-term and preterm twins were comparable to those published for samples of singleton infants.
- Type
- Research Article
- Information
- Acta geneticae medicae et gemellologiae: twin research , Volume 32 , Issue 3-4 , July 1983 , pp. 209 - 220
- Copyright
- Copyright © The International Society for Twin Studies 1983
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