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NEUROPHYSIOLOGY
Neurophysiology is an area of medicine that is concerned with testing the electrical functions of the brain, spinal cord and the nerves in the limbs and muscles. This is done to help in the diagnosis of a wide range of conditions affecting these parts of the body.
Clinical neurophysiology has close links with neurology, which deals with diseases of the nervous system and muscles. However, clinical neurophysiology is primarily diagnostic - that is to say it is used mainly to help diagnose diseases rather than treat them.
There are four main types of test carried out in neurophysiology departments.
They are:
1. EEG (electroencephalogram): a recording of the electrical activity of the brain.
2. Sleep EEG
3. Nerve conduction studies: a recording of the passage of electrical signals along nerves in the limbs.
4. EMG (electromyography): a recording of the electrical activity of muscles.
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