Howie Mandel Has a Fear of Being Contaminated by Touching

Howie Mandel has a fear of being contaminated by touching others. If we were able to track his brain activity when this obsessive behaviour occurs, the

A) hypothalamus.
B) cerebellum would be activated.
C) mesolimbic pathway would be activated (ventral tegmental area, ventral striatum, basal ganglia) .
D) orbitofrontal-cingulate pathway would be activated (prefrontal cortex, caudate nucleus) .
E) amygdala.