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Fontenelle, Sarah A.; Kahrs, Bjorn Alexander; Neal, S. Ashley; Newton, A. Taylor; Lockman, Jeffrey J. – Journal of Experimental Child Psychology, 2007
Everyday environments, even small regions within reach, vary dramatically in terms of material composition. Adapting one's manual behavior to such transitions can be considered to be an important element of skilled action. To investigate the origins of this ability, we presented 8-month-olds (n=24) and 10-month-olds (n=24) hard or soft objects on…
Descriptors: Infants, Problem Solving, Perception Tests, Tactual Perception
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Iverson, Jana M.; Hall, Amanda J.; Nickel, Lindsay; Wozniak, Robert H. – Brain and Language, 2007
This study examined changes in rhythmic arm shaking and laterality biases in infants observed longitudinally at three points: just prior to, at, and just following reduplicated babble onset. Infants (ranging in age from 4 to 9 months at babble onset) were videotaped at home as they played with two visually identical audible and silent rattles…
Descriptors: Infants, Longitudinal Studies, Visual Aids, Motor Development