Final answer:
Phillip's improved coordination can mainly be linked to brain lateralization and the growth of the corpus callosum, which enhance communication between the brain's hemispheres. While nutrition plays an important role in general growth, the specific improvements in Phillip’s coordination stem from neurological development. Understanding these concepts helps grasp how brain maturation influences physical abilities in children.
Explanation:
Understanding Brain Development in Young Children
When Phillip, a 4-year-old, begins to coordinate the two sides of his body more efficiently, this development can primarily be attributed to brain lateralization and the growth of the corpus callosum.
Brain Lateralization
Brain lateralization refers to how certain cognitive processes and functions (like coordination) are distributed across the two hemispheres of the brain. As children grow, the two sides of the brain become more specialized, which helps with skills such as coordination and motor control.
Growth of the Corpus Callosum
The corpus callosum is a bundle of nerve fibers that connects the left and right hemispheres of the brain. As this structure grows and matures, it enhances communication between the two sides of the brain, facilitating improved coordination of body movements, which is evident in Phillip's development.
Other Factors
While adequate nutrition, including calcium in the diet, supports overall growth and health, the primary reasons for Phillip's improved coordination are linked to brain development rather than physical growth like longer arms and legs.
Learn more about child development here:
https://brainly.com/question/56603810