what is EEG ?explain it.
Answers
Answer:
An electroencephalogram (EEG) is a test used to evaluate the electrical activity in the brain.
Explanation:
An EEG tracks and records brain wave patterns. Small metal discs with thin wires (electrodes) are placed on the scalp, and then send signals to a computer to record the results.
Answer:
(1) EEG stands for electroencephalography.
(2) It refers to the recordings of the brain's spontaneous electrical activities in certain period of time. These are recorded using multiple electrodes.
(3) EEG is non-invasive method and measures voltage luctuations resulting from ionic current within the neurons.
(4) The basic concepts involved in this are similar to ECG.
(5) It is used to diagnose conditions like epilepsy, sleep disorders, encephalopathics, coma, etc.