While looking at a painting in an art gallery, many of Jinan's brain cells fire in response to lines presented at various angles, while others fire in response to specific colors. These brain cells are termed because they help us recognize objects and other things, like faces.

Explanation:

Feature detectors are individual neurons or groups of neurons located in the brain which code for perceptually significant stimuli. Early in the sensory pathway feature detectors tend to have simple properties; ater they become more and more complex as the features to which they respond become more and more specific

answer; the masks were used in rituals and celebrations, some tribes wore animal masks as a way of thinking the animals for their gift of food;

correct answer is b "write as much as you can about the subject so you might earn extra-credit points"