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Scenario II
In pioneering research by Sperry and colleagues,split-brain patients were asked to stare at a dot on a screen centered between their eyes while words of common objects were projected onto the screen either in their left or right visual fields.Subsequently,patients were asked to reach behind a screen with either their left or right hands and identify the object amongst other common objects by touch alone.
-(Scenario II)The split-brain surgical procedure is almost always performed to reduce:
A)seizure activity among epileptic patients.
B)brain swelling after traumatic injury.
C)delusions and hallucinations among paranoid schizophrenics.
D)the spread of cancerous brain tumors.

Question

Use the following to answer questions 
Scenario II
In pioneering research by Sperry and colleagues,split-brain patients were asked to stare at a dot on a screen centered between their eyes while words of common objects were projected onto the screen either in their left or right visual fields.Subsequently,patients were asked to reach behind a screen with either their left or right hands and identify the object amongst other common objects by touch alone.
-(Scenario II)The split-brain surgical procedure is almost always performed to reduce:
A)seizure activity among epileptic patients.
B)brain swelling after traumatic injury.
C)delusions and hallucinations among paranoid schizophrenics.
D)the spread of cancerous brain tumors.

Quizplus · Accepted Answer

The split-brain surgical procedure is primarily used to reduce seizures in epileptic patients. It involves severing the corpus callosum, the bundle of fibers that connects the two hemispheres of the brain, in order to prevent the spread of epileptic activity from one hemisphere to the other.

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