In functional brain-imaging studies of Tourette patients who are suppressing their tics, abnormal activity has been consistently observed in the caudate and
A) prefrontal cortex.
B) cerebellum.
C) primary motor cortex.
D) association motor cortex.
E) dorsal horn.
Question 2
Brain-imaging studies have consistently revealed degeneration and shrinkage of the __________ in patients with anxiety disorders.
A) amygdala
B) cingulate cortex
C) thalamus
D) all of the above
E) none of the above