Spence Assumed That Excitatory and Inhibitory Gradients Interact

Multiple Choice

Spence assumed that excitatory and inhibitory gradients interact,

A) magnifying the effect of both gradients.
B) opposing or reducing the effect of both gradients.
C) but that excitatory gradients are stronger and tend to cancel the effects of inhibitory gradients.
D) but that inhibitory gradients are stronger and tend to cancel the effects of excitatory gradients.