Neurobehavioral Performance of Lowbirthweight Infants at 40 Weeks Conceptional Age: Comparison with Normal Full term Infants

Abstract
The neurobehavioral status of 118 low-birthweight [human] infants tested at 40 wk conceptional age was compared with that of 76 normal fullterm infants. A neonatal neurobehavioral examination comprising 21 test and 4 summary items was used. The most striking differences between the groups were found in visual and auditory orienting, with approximately 2/3 of the low-birthweight infants falling below the range of performance of the fullterm group. Items testing motor performance showed a lower incidence of deviant performance among the low-birthweight infants. Of the 21 test items, 19 could be assigned cut-off scores, below which infants can be considered deviant on the specific items.

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