D.B. ,a man described in the text,reported that he could not see anything in his left visual field after surgery.However,when D.B.was tested by having him point to spots of light presented in his left visual field,the results showed that he could point quite accurately.This phenomenon is called
A)binocular rivalry
B)perceptual bistability
C)blindsight

Question

Quizplus · Accepted Answer

Blindsight is a phenomenon in which a person with damage to their primary visual cortex (such as after surgery) is not consciously aware of visual stimuli in a certain area of their visual field, but can still respond to them in other ways (such as accurately pointing to the location of a light in that area). Binocular rivalry and perceptual bistability involve different aspects of visual perception, but do not apply to D.B.'s situation as described in the text.

DB ,A Man Described in the Text,reported That He Could