Dopamine D4 receptor (DRD4) polymorphism and adaptability trait during infancy: a longitudinal study in 1- to 5-month-old neonates

  title={Dopamine D4 receptor (DRD4) polymorphism and adaptability trait during infancy: a longitudinal study in 1- to 5-month-old neonates},
  author={Alessandro De Luca and Mario Rizzardi and Isabella Torrente and Rosa Alessandroni and Gian Paolo Salvioli and Nando Filograsso and Bruno Dallapiccola and Giuseppe Novelli},
We have examined the relationship between the common dopamine D4 receptor (DRD4) exon III repeat polymorphism and infants' behavior measured with the Italian version of the Early and Revised Infancy Temperament Questionnaires (EITQ/RITQ) in 122 Italian neonates at 1 and 5 months of life, when the genetic contribution to the behavior can be more clearly assessed. Two-way (genotype × age) analysis of variance revealed a significant correlation with the temperamental subscale of adaptability [F(1… CONTINUE READING

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