Which of the Following Is True About the Center-Surround Organization

Multiple Choice

Which of the following is true about the center-surround organization of receptive fields?

A) Illumination of both the center and the surround leads to an increase in cell activity in the same direction.
B) Illumination of both the center and the surround leads to a decrease in cell activity in the same direction.
C) Illumination of both the center and the surround leads to an antagonistic effect on cell activity, with one exciting the cell and the other inhibiting the cell.
D) Only illumination of the center of the receptive field has an effect on cell activity.
E) Only illumination of the surround of the receptive field has an effect on cell activity.