Developmental change in the neuropsychological functioning of very low birth weight infants |
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| Authors: | Cynthia L Miller Susan H Landry Karen E Smith Susan R Wildin Anne E Anderson Paul R Swank |
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| Institution: | 1. University of Texas Health Science Center Houston ,;2. University of Texas Medical Branch-Galveston ,;3. Baylor College of Medicine ,;4. University of Houston , |
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| Abstract: | Research on very low birth weight (VLBW) infants has not carefully evaluated developmental patterns of neurological and neuropsychological functioning across time. This study reports on a broad range of developmental outcomes for VLBW infants of low (LR, n = 116) and high (HR, n = 84) medical risk compared to full term infants (FT, n = 120) across 6, 12, and 24 months of age. While low risk infants showed initial delays in most areas, faster rates of change in motor and neurological development resulted in catch-up by 2 years of age as compared to the FT infants. The lack of acceleration in development of mental skills demonstrates a persistent lag in this area. In contrast, HR infants showed initial delays in all areas as compared to both LR and FT infants with slower rates of change in mental and expressive language skills. Although faster rates of change were evident for HR infants in motor, neurological, and receptive language skills, scores in these areas remain lower than those for the LR and FT infants. The absence of accelerated rates of development for certain VLBW infants has implications for prognosis and patient access to early intervention services. |
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