... nerve cells are not stimulated these connections will remain weak and could eventually disappear. (cite) As a child begins to interact with their environment in different ways their visual nerve cells begin to learn and connect. This can be observed through the study of the development of a child's depth perception. Depth perception is the ability to judge distances between different objects and ... is important for every day motor activities such as walking. (cite) When a child first learns to crawl many new mothers have reported that their child seems fearless of the dangers of things...

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