Sense enables babies to perceive the physical and chemical changes that occur in the external environment. It occurs as a result of the dynamic interaction of sensory stimuli with sensory receptors in the eyes, ears, tongue, nose, and skin. The stimuli that newborns see, touch, and hear affect their brain development. The brain develops faster in…

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…

The literature on the effects of congenital blindness on infants' development of motor functions and concepts of object permanence is reviewed. The article questions the idea that infants must first develop an object concept before sound clues alone will elicit reaching. Possible interventions to redress the effects of congenital blindness on…