Feature detectors are neurons in the retina or brain that respond to specific attributes of a stimulus, movement, orientation etc.

Where are facial feature detectors located?

19.5 indicates the positions of the nine facial-features used to train the facial-feature detectors: the outer corners of each eye, the four corners of the eyebrows, the center of the nostrils, and the corners of the mouth. FIGURE 19.5.

Where are feature detectors psychology?

In the area of psychology, the feature detectors are neurons in the visual cortex that receive visual information and respond to certain features such as lines, angles, movements, etc.