The excitatory and inhibitory components of a centre-surround receptive field:
A) Are multiplied together to determine the cell's net response
B) Differ in width
C) Both have a high-pass spatial frequency response
D) Differ in orientation tuning

Question

Quizplus · Accepted Answer

The centre-surround receptive field has an excitatory component at the centre and an inhibitory component in the surround. These two components have different widths, with the center being smaller than the surround. Additionally, both components have a band-pass spatial frequency response, not a high-pass one. The orientation tuning of the cell is determined by its location in the visual pathway rather than its receptive field. The net response of the cell is not determined by multiplying the two components together, but rather by subtracting the inhibitory response from the excitatory response.

The Excitatory and Inhibitory Components of a Centre-Surround Receptive Field