During infancy and toddlerhood large bursts of neuronal and synaptic formation in the brain occurs and begins in this area of the brain. temporal lobe O frontal lobe O visual/touch areas of cortex O cerebellum D Question 5 This process involves the elimination of unused neural circuits in order to streamline neural processing and make the remaining circuits work more quickly and efficiently O integration O pruning O differntiation O neurogenesis Question 6 is the most common cause of postneonatal deaths in developed countries. malnutrition O cancer O car accidents 2 pts 2 pts