Purpose: This study examined the neurobehavioral functioning in preterm infants diagnosed with intraventricular hemorrhage (IVH) grades III and IV, using the Assessment of Preterm Infants' Behavior (APIB).
Design and sample: The APIB was completed on nine infants with IVH III/IV at 36 and 40weeks postmenstrual age to determine the effects of IVH on the neurobehavioral functioning and maturation over time. The APIB neurobehavioral scores (i.e., physiologic, motor, state, attention/interaction, regulatory, and examiner facilitation subsystem scores) were examined in relation to the two different testing times and to infants without lesion.
Results: APIB scores at 36weeks suggested easily disorganized and poorly modulated behavioral regulation and low threshold of disorganization and stress. At 40 weeks, poor overall behavioral regulation persisted; only motor differences statistically improved between the two ages. Neurobehavior was significantly poor in all but state subsystems when tested at both ages in infants with a brain lesion.
Keywords: Assessment of Preterm Infants’ Behavior (APIB); behavioral organization; intraventricular hemorrhage; prematurity; white matter injury.
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