Brian Is a 70-Year-Old Man Who Has Recently Been Diagnosed

Multiple Choice

Brian is a 70-year-old man who has recently been diagnosed with Alzheimer's Disease. Because Alzheimer's Disease has a genetic component, Brian is worried that his family is also at risk of developing the neurological disorder. As the disorder progresses Brian has a difficult time remembering details about his personal life or even recognizing his own son.
-In response to his disorder,Brian develops depression and his doctor prescribes an SSRI for him.Apart from serotonin,low levels of _________ are also implicated in the development of depression.

A) GABA
B) acetylcholine
C) norepinephrine
D) dopamine