At a minimum an elementary motion detector requires inputs from:
A) One input receptive field
B) Two input receptive fields
C) Three input receptive fields
D) Four input receptive fields

Question

Quizplus · Accepted Answer

A motion detector requires at least two input receptive fields to detect motion. This is because motion is detected by comparing the relative positions and movements of objects in different parts of the visual field. Two input receptive fields allow for this comparison to take place.

At a Minimum an Elementary Motion Detector Requires Inputs From