The Idea of a Hierarchical System of Visual Perception Is

Multiple Choice

 The idea of a hierarchical system of visual perception is challenged by which of the following?

A) Single visual neurons are not capable of responding simultaneously to changes in two dimensions, such as orientation and movement.
B) A visual hierarchy would require a very large number of "grandmother" cells.
C) Single visual neurons can easily incorporate complex input from memory systems.
D) Hierarchies help us predict how other species "see."