Javier Is Blind from Birth

question 154

Multiple Choice

Javier is blind from birth. Robert lost his sight in a boating accident at age 16. Who might have superior touch sensitivities during adult life?

• A) Both men will be equal in their touch sensitivity.
• B) Javier will be superior, because the neurons programmed for vision have been diverted to strengthen this sense.
• C) Robert will be superior, because when he lost his sight, he had better overall coping skills.
• D) Neither man will have superior touch sensitivity, as the brain cannot be reprogrammed.

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Definitions:

Auditory Tubes

Also known as Eustachian tubes, these are channels leading from the middle ear to the pharynx, helping equalize pressure on both sides of the eardrum.

Stylomastoid Foramen

An opening located between the mastoid and styloid processes of the temporal bone, through which the facial nerve exits the skull.

Supra-Orbital Foramen

A hole or notch located above the orbit (eye socket) on the frontal bone, through which nerves and blood vessels pass.

Foramen Lacerum

A triangular opening located at the base of the skull, filled with cartilage, through which certain arteries and nerves pass.