After a long night of drinking with his buddies, a young man accidentally falls off a two-story balcony, hurting his head in the incident. Doctors soon learn that the man has lost some basic communication skills, including not being able to read or write. Based on this information, identify the area or areas that may be damaged in his brain. Make sure to include where the area or areas are located, as well as the important function it serves. Explain in detail your assessment.