Five-year-old Alfred was riding his bicycle without a helmet and experienced an intense fall. He was rushed to the Emergency Room by his worried parents. Though Alfred was not complaining of any pain, the doctor notices he is unable to focus on visual images. In the days following the accident, he has trouble with balance, vivid nightmares, and difficulty speaking coherently.

Explain how each of the following concepts applies to Alfred's situation.

Cerebellum

MRI

Broca's aphasia

REM sleep

Endorphins

Neuroplasticity

Occipital lobe