Hubel and Wiesel determined that the geographic map of the retina in the primary visual

cortex

a. represented all parts of the visual field equally.
b. overrepresented the center of the visual field.
c. underrepresented the center of the visual field.
d. involved one cortical cell per rod or cone.
e. involved one module for each small portion of the visual field.

b. overrepresented the center of the visual field.