A Technique in Which More Than Two Dozen Electrodes Are

Multiple Choice

A technique in which more than two dozen electrodes are placed at important locations on the scalp and they then record the brain's electrical activity in a way that is converted by a computer into colored images on a TV screen and used to detect abnormal cortical activity such as that occurring during an epileptic seizure is ________.

A) magnetoencephalography (MEG)
B) the electroencephalograph (EEG)
C) positron emission tomography (PET) scanning
D) magnetic resonance imaging (MRI)