Kevitt was in a motorcycle accident that left him unable to recognize and discriminate objects visually. when his therapist tosses a crumpled piece of paper toward his head he can move out of the way but he cannot identify the tossed object. kevitt is demonstrating the phenomenon known as:

Visual agnosia

Explanation:

A person can suffer from visual agnosia after a severe brain injury in the primary visual cortex, this person can see normally, this is why in the case of Kevitt he have reflexes that allows him to dodge the ball, because the functioning of his visual system is correct, but make him unable to recognize what he is looking at.