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Steeve, Roger W.; Moore, Christopher A.; Green, Jordan R.; Reilly, Kevin J.; McMurtrey, Jacki Ruark – Journal of Speech, Language, and Hearing Research, 2008
Purpose: The ontogeny of mandibular control is important for understanding the general neurophysiologic development for speech and alimentary behaviors. Prior investigations suggest that mandibular control is organized distinctively across speech and nonspeech tasks in 15-month-olds and adults and that, with development, these extant forms of…
Descriptors: Investigations, Human Body, Infants, Neurological Organization
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Barrett, Tracy M.; Davis, Evan F.; Needham, Amy – Developmental Psychology, 2007
These experiments explored the role of prior experience in 12- to 18-month-old infants' tool-directed actions. In Experiment 1, infants' use of a familiar tool (spoon) to accomplish a novel task (turning on lights inside a box) was examined. Infants tended to grasp the spoon by its handle even when doing so made solving the task impossible (the…
Descriptors: Experiments, Infant Behavior, Infants, Motor Development