Some People Who Are Blind Are Able to Use Echolocation

Multiple Choice

 Some people who are blind are able to use echolocation to locate objects and perceive shapes by making clicking noises and listening to the reverberations. When expert echolocators use this technique, _____.

A) they have 45% more activation in their frontal lobes than sighted individuals
B) they rely only on activation from the occipital lobe
C) the clicking sounds activate the auditory and visual cortices
D) the clicking sounds activate A1 but not subcortical structures