Dr. Blagojevich is interested in understanding how antidepressants affect brain structure. After administering SSRIs to a group of rats for several weeks, Dr. Blagojevich analyzes their brain tissue. He is likely to find an increase in ____ (Malberg, Eisch, Nestler, & Duman, 2000; Nasrallah, Hopkins, & Pixley, 2010).
a. subventricular volume
b. the thickness of the cerebral cortex
c. connectivity in the corpus callosum
d. the numbers of neurons in the hippocampus
