title: Visual Development and Neuropsychological Profile in Preterm Children from 6 Months to School Age.
abstract: The aim of this semilongitudinal study was to investigate the development of central visual pathways in children born preterm but without major neurologic impairments and to establish their cognitive and behavioral profile at school age. Ten children born preterm were assessed at 6 months and at school age, using visual evoked potentials at both time points and cognitive and behavioral tests at school age. We also tested 10 age-matched children born full-term. At 6 months' corrected age, we found no significant differences between preterm and full-term groups for either amplitude or latency of N1 and P1 components. At school age, the preterm group manifested significantly higher N1 amplitudes and tended to show higher P1 amplitudes than the full-term group. We found no significant differences in cognitive and behavioral measures at school age. These results suggest that preterm birth affects visual pathways development, yet the children born preterm did not manifest cognitive problems.
authors.affiliation: Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada.
authors.forename: Mélissa Sue
authors.initials: MS
authors.lastname: Sayeur
authors.affiliation: Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada.
authors.forename: Phetsamone
authors.initials: P
authors.lastname: Vannasing
authors.affiliation: Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada.
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Tremblay
authors.affiliation: Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada.
authors.forename: Franco
authors.initials: F
authors.lastname: Lepore
authors.affiliation: Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada.
authors.forename: Michelle
authors.initials: M
authors.lastname: McKerral
authors.affiliation: Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada.
authors.forename: Maryse
authors.initials: M
authors.lastname: Lassonde
authors.affiliation: Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada anne.gallagher@umontrel.ca.
authors.forename: Anne
authors.initials: A
authors.lastname: Gallagher
mesh_terms: D002648:Child; D002675:Child, Preschool; D003072:Cognition Disorders / Q000175:diagnosis / Q000209:etiology*; D002658:Developmental Disabilities / Q000175:diagnosis / Q000209:etiology*; D004569:Electroencephalography; D005074:Evoked Potentials, Visual / Q000502:physiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D007223:Infant; D008137:Longitudinal Studies; D008297:Male; D009483:Neuropsychological Tests; D010775:Photic Stimulation; D047928:Premature Birth / Q000503:physiopathology*; D011930:Reaction Time / Q000502:physiology; D014786:Vision Disorders / Q000175:diagnosis / Q000209:etiology*
keywords: behavior; cognition; preterm birth; visual evoked potentials; visual pathways