Monique Has Been Diagnosed with a Specific Psychological Disorder

Monique has been diagnosed with a specific psychological disorder.She researches her condition so that she can better understand it,and learns that this particular illness has been linked to problems with the reticular formation in her midbrain.What diagnosis has Monique probably received?

A) attention-deficit hyperactivity disorder (ADHD)
B) major depressive disorder
C) generalized anxiety disorder
D) schizophrenia