Clinical neurophysiology measures the electrical activity of the brain, nerves and muscles. These tests show how well signals travel and where they are interrupted, which helps explain symptoms such as fits, weakness, numbness and tingling when an examination alone is not conclusive.
Patients at Apex are advised on the right test after the neurologist examines them. Tests are not painful, and they add information that scans cannot provide, because scans show structure, while neurophysiology shows function. A normal scan therefore does not rule out a nerve or brain-wave problem.

Results are interpreted together with symptoms and the examination, and the report is reviewed by the treating neurologist. A diagnosis cannot be made based solely on a test result, and mild abnormalities may not be clinically significant.

Clinical neurophysiology services at Apex include:

• Electroencephalogram (EEG): Recording of brain waves to assess seizures, unexplained loss of awareness and some causes of confusion, helping the doctor decide on the type of epilepsy and its treatment.
• Electromyography (EMG): Testing of muscle electrical activity to find out whether weakness comes from the muscle, the nerve or the nerve root, guiding the choice of treatment.
• Nerve Conduction Studies: Measurement of the speed and strength of signals in the arms and legs, used to diagnose neuropathy, carpal tunnel syndrome and nerve compression.
• Result Interpretation: Review of findings by the neurologist alongside symptoms and examination so that the test supports a diagnosis rather than replacing clinical judgement.