The Initial Establishment of Ocular Dominance Columns Occurs

The initial establishment of ocular dominance columns occurs

A) during a critical period shortly after birth and relies on visual input during that period.
B) during a critical period shortly after birth but does not need visual input during that period.
C) before birth and does not rely on visual experience.
D) shortly after birth but not during a specific critical period, relying on visual experience.
E) gradually throughout development into adulthood, relying on visual experience.