Question

EEG represents spontaneous electrical activity of the

• A. brain recorded from electrodes placed on scalp
• B. heart recorded from electrodes placed on limbs
• C. spinal cord
• D. pacemaker inserted underneath the skin

Answer 1

The correct option is A brain recorded from electrodes placed on scalp

An EEG is a test that detects abnormalities in brain waves or in the electrical activity of the brain. The electrodes consisting of small metal discs with thin wires are pasted onto scalp. The electrodes detect tiny electrical charges that result from the activity of brain cells.

So, the correct option is 'Brain recorded from electrodes placed on scalp'.