1) Write a, brief essay that answers the following questions:

• What is the difference between receptive and expressive language?
• What is a critical period and how does it affect language development?
• What structures of the brain are most closely involved in language?
• How does the language ability of other species compare to humans?

2) After a mild stroke, Mr. McGeorge showed some signs of aphasia. What pattern of symptoms would lead you to believe the damage occurred primarily in Broca's area? What different symptom pattern would be associated with damage to Wernicke's area?