Andrew Underwent a Wada Test, in Which One Hemisphere Is

question 16

Multiple Choice

 Andrew underwent a Wada test, in which one hemisphere is anesthetized at a time, prior to brain surgery. When his right hemisphere was anesthetized, he was unable to speak. How would Andrew's physicians most likely interpret this result?

• A) They must have made a mistake, because language functions are supposed to be managed by the left hemisphere.
• B) Andrew must have had a hemispherectomy for Rasmussen's syndrome many years ago.
• C) Andrew is one of a minority of people whose language is managed by the right hemisphere.
• D) Andrew must be bilingual. It is likely that he will still be able to speak in his other language.

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Definitions:

Fishes

Aquatic, gill-bearing animals that lack limbs with digits, often covered in scales, and residing in both freshwater and saltwater environments.

Flatworm

A group of simple invertebrates known for their flat bodies, including both free-living and parasitic species like tapeworms.

Planaria

A genus of flatworms, which are often used in scientific studies due to their remarkable regenerative abilities.