Specific language disorders and season of birth: Underlying environmental factors or chance findings?

Alessandro Ghezzo, Matteo Chiappedi, Antonina Ballerini, Giorgio Seragni, Michela Zanette, Chiara Conti, Maria Chiara Stefanini, Oreste Ferrari-Ginevra, Patrizia Spelta, Lucia Angelini, Ettore Beghi

Research output: Contribution to journalArticlepeer-review

Abstract

The medical records of 358 children and adolescents with specific language disorders (SLD; 122 girls and 236 boys) seen in rehabilitation centers from Northern and Central Italy were examined to compare season of birth in these cases to those of the Italian population. Exposure was calculated using univariate and multivariate odds ratios (ORs) and 95% confidence intervals (CIs). Compared to the Italian population, patients with SLD had a 1.67 (95% CI [1.35-2.07]) chance of birth in October-December. Independent predictors were younger age at inclusion and being firstborn. Different neurobiological hypotheses can be drawn to explain these findings.

Original languageEnglish
Pages (from-to)836-840
Number of pages5
JournalJournal of Clinical and Experimental Neuropsychology
Volume34
Issue number8
DOIs
Publication statusPublished - Oct 1 2012

Keywords

  • Birth season
  • Child neurodevelopment
  • Environmental factor
  • Fetal brain development
  • Specific language disorder

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology
  • Clinical Psychology

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