Question

specialized neuron in the visual cortex that responds only to particular features of visual stimuli

input vector

edge detection

object recognition

feature detector

block diagram

Explanation:

A feature detector is a specialized neuron in the visual cortex that responds only to particular features of visual stimuli. Input vector is a set of input values. Edge detection is about finding edges in an image. Object recognition is identifying objects. Block diagram is a diagram of a system.

Answer:

feature detector