Answer оne оf the twо questions below. Define аphаsiа. Compare and contrast fluent and nonfluent aphasia based on key speech characteristics (e.g., fluency, comprehension, repetition). Then, identify and briefly describe at least two types of aphasia within each category (fluent and nonfluent), for a total of four different types. OR Discuss the role of executive functions in cognition and explain how neurological disorders (e.g., TBI or dementia) can impact these functions.