Final answer:
Electroencephalography (EEG) is a test that measures brain electrical activity using electrodes placed on the scalp.
Explanation:
Electroencephalography (EEG) is a neuroimaging technique that measures electrical brain activity by placing electrodes on the scalp. This test, commonly known as an electroencephalogram, records brain waves to trace electrical activity, aiding in detecting seizures, diagnosing epilepsy, coma, sleep disorders, and confirming brain death.
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