Question

a circus performer was trying a new act that involved walking on a tightrope stretched between two poles. after a few practice sessions, he was able to do it perfectly. when he started performing the same act blindfolded, he lost his balance and fell into the safety net below the tightrope. which statement best explains why he fell?
○ a. his visual receptors could not send messages to his brain so that it could process them and keep him balanced.
○ b. his visual receptors could not send messages to his leg muscles and keep him balanced.
○ c. his brain could not process the information being sent to it by his leg muscles.

Explanation:

The problem involves balance control, which relies on sensory integration (including vision). When blindfolded, visual receptors can't send spatial information to the brain for processing balance, leading to falls. Option A correctly links the loss of visual input (receptors not sending messages) to impaired balance processing.

Answer:

A. His visual receptors could not send messages to his brain so that it could process them and keep him balanced.