Nathan had an operation to treat epilepsy. what did it likely involve?
(a.)severing the corpus callosum
b. electroconvulsive therapy
c. a prefrontal lobotomy
d. removing the pons

The correct answer in this case is A - severing the corpus callosum.

The reason why this is the correct answer is because when the corpus callosum gets severed the spread of electricity discharge that happens in an epileptic attack and which then results in a grand seizure cannot cross to both hemispheres due to the corpus callosum, that connects them, being severed.

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