Final answer:
Brain maturity occurs in an organized and hierarchical fashion during adolescence.
Step-by-step explanation:
Brain maturity occurs in an organized and hierarchical fashion. During adolescence, the brain undergoes changes that result in increased complexity and efficiency. These changes include an increase in folds in the cerebral cortex, synaptic pruning, and increased myelination. As a result, the brain becomes more organized and hierarchical in its functioning.