Circutis connecting which of the following structures are implicated in obsessive compulsive disorder (OCD)?
a. the amygdala and raphe nuclei
b. the amygdala and the hippocampus
c. the posterior cingulate cortex and the hippocampus
d. the thalamus, the basal ganglia, and orbitofrontal cortex
Question 2
Head trauma, encephalitis, and streptococcal infections are among the environmental risk factors for _________ disorder.
a. obsessive compulsive
b. bipolar
c. panic
d. posttraumatic stress