Some researchers see developmental changes in motor behavior across the first year as resulting from the interaction of all the complex systems in which infants find themselves (Thelen, 2002). For example, stepping can be explained with reference to changes in both the brain and:

Question

Quizplus · Accepted Answer

Stepping behavior in infants is influenced by physical changes such as weight gain and muscle strength, which affect their ability to perform motor actions.

Some Researchers See Developmental Changes in Motor Behavior Across the First