Dani has a seizure disorder, and her neurologist wants to determine the overall pattern of brain activity to help determine the locus of her seizures. She has a variety of electrodes placed all around her skull and lies still as a series of recordings are made. Dani is most likely undergoing which type of test?

A) an electroencephalogram or EEG
B) transcranial magnetic recording
C) an MRI
D) a PET scan

Seizure Disorder

A neurological condition characterized by episodes of uncontrolled electrical activity in the brain, leading to convulsions, sensory disturbances, or loss of consciousness.

Electroencephalogram

A medical test that measures electrical activity in the brain using small, flat metal discs attached to the scalp.

EEG

Electroencephalography, a method to record electrical activity of the brain using electrodes placed along the scalp.