During an epileptic attack, abnormal seizure "waves" are commonly recorded in both hemispheres. One major reason for this is that __________.
A) EEG recording devices are not very sensitive to the location of the abnormal waves
B) both hemispheres are damaged in most cases of epilepsy
C) the dominant hemisphere exerts control over the nondominant hemisphere
D) seizure activity is propagated across the corpus callosum

Question

Quizplus · Accepted Answer

The corpus callosum connects the two hemispheres of the brain and allows for communication between them. The abnormal seizure activity can cross this bridge and affect both hemispheres simultaneously. EEG recording devices are sensitive enough to detect this activity, and while there may be differences in the severity or location of the seizure activity in each hemisphere, it is common for both to be affected during a seizure. The dominance of one hemisphere over the other does not necessarily play a role in this process.

During an Epileptic Attack, Abnormal Seizure "Waves" Are Commonly Recorded