Reza suffered a stroke, which left him with language impairment. he has good comprehension, but produces speech that contains mostly content morphemes such as "car," "book," and "cup," and lacks function morphemes such as "and," "but," and "the." reza most likely has damage to of his brain.

I believe the answer is: Broca's Area

Broca's area is a part of our brain that is located on the frontal lobe region which function is mainly for speech production. Damage in this area of the brain is what commonly caused people to experience disfluency (most commonly known as stuttering).

answer; rational if melanie values sleep more highly than the benefits she expects to receive from attending the class;

answer; the hypothalamus;