In the Motor-Perceptual Stage stage the focus of the child’s activity is on exploring the environment.
Later, one acquires aches in muscles they never new existed.
For the baby one of many important areas for discovery is the vocal mechanism. The action here is originally totally reflexive. Cooing and Crying are instinctive, and every normal child can do these. Through use and maturation, however, more elaborate movements and sounds become possible, although they are still pretty much reflexive in nature.
But it is a beginning for the learning process that leads to an awareness of the tongue, the velum, the jaw and the larynx and what they can do.
2. Motor-Perceptual: The motor-perceptual stage does not wait for the Motor stage to be completely finished before it begins.