Week 5 on Coursera : Miracles of human language (Introduction of human language)

From what i learned from week 5 is Aphasia. Aphasia is a condition that robs you of the ability to communicate. It can affect your ability to speak, write and understand language, both verbal and written. For what i learned of Aphasia is it helps for language disorder that affects a person who's hard to communicate, they give me a common types of Aphasia, which is : Global Aphasia, Broca's Aphasia, Mixed non-fluent Aphasia, Wernicke's Aphasia, Anomic Aphasia, and Primary Progressive Aphasia.