observation

Ajani was playing with his stuffed animals  he had both of them in his hand . Ajani "please put your piano away" his mother asked. He walked over to the piano with the toys in his hand . Looked at the piano for a minute and decided that he had to put the toys down in order to pick up the piano.

Frontal lobe–

the part of the brain located behind the forehead that is involved in critical thinking, problem solving, planning, reasoning, and decision making.
Within that one minute he made  a number of decisions  using different areas of his brain. Your infant/toddler must be given the opportunity to have a variety of experiences in order to build the whole brain.