Specific aspects of motor and cognitive development may be more related than has previously been appreciated. This study investigates whether the development of exploratory behavior predicts the development of A-not-B performance, with biological risk factors influencing exploratory behavior. In a group of 76 premature infants, exploratory behavior and A-not-B performance were assessed at 7, 10, and 14 months of age. Parallel latent growth curve analysis was used to analyze the results. Biological risk factors predicted the development of mouthing. The development of holding a toy in each hand predicted the development of A-not-B performance. Finding these early predictors for later cognitive problems in preterm infants enables caretakers to intervene at an early age and prevent the development of more severe problems
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