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West Surrey Clinical Neurophysiology was founded at Ashford & St Peter’s Hospitals in 2002.

It serves both our hospitals and some patients of other trusts nearby. Nearly all the tests are done at St Peter’s.

The department is located on level 2 of the outpatient block along the corridor next to the pharmacy.


Clinical Neurophysiology is a diagnostic specialty, that is we do tests that help other doctors to work out what is wrong with a patient. We perform studies of the electrical activity of the brain, nerves and muscles. We have a few other, more specialised tests.

The main categories of test are:

  • EEG – electroencephalography. Study of the electrical activity of the brain.
  • EMG – electromyography. Study of the electrical activity of muscle. It includes nerve conduction studies (NCS).
  • EP – evoked potentials. Studies of the brain’s response to stimulation such as patterns of light.


In this department we pride ourselves on looking after our patients – we explain the test before we do it and keep people as comfortable as possible during the test. For some of the simpler tests we are able to give the results straight away, although this is not always the case.

Clinics are held Monday to Friday, but we do not provide every type of test on every day.


Link to the AccessAble website


Information about access to our Clinical Neurophysiology unit can be found on the AccessAble website.


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