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Our Services

The Clinical Neurophysiology department provides a range of services such as:

Nerve conduction studies (NCS) and electromyography (EMG)

Nerve conduction studies (NCS) may be performed by physiologists. If NCS are performed with electromyography (EMG) then they are carried out by doctors. The test is used to study nerve and muscle function. NCS are carried out by applying small electrical impulses to the nerve. EMG study uses a fine needle inserted into the affected muscles to study them.

Nerve Conduction Studies

EMG and Nerve Conduction studies

Evoked Potentials (EPs)

Are a series of tests which can measure how certain nerves are working in response to a stimulus e.g. a flash, a sound, small electrical impulse etc.

Evoked Responses 

Quantitative Sensory Testing (QST)

A test of how the nerve endings are working in response to a change in temperature or vibration

Quantitative Sensory Testing

Electroencephalography (EEG)

Electroencephalography (EEG) is a painless recording of the electrical activity of the brain. Small discs called electrodes are placed on the head and a recording of the brain wave activity is taken. The patient may be asked to perform some deep breathing and look at a flashing light. The test lasts about forty-five minutes. The only preparation is to have clean hair and to have eaten before you come.



EEG with Back Averaging

Sleep deprived EEG

Sleep deprived EEG requires that you stay up the night before the test. The preparation is the same as the routine EEG. This test lasts about an hour and twenty minutes.

Sleep Deprived EEG

Video telemetry EEG monitoring

In the telemetry unit an EEG is recorded over a period of days. The patient will stay in the hospital in a four bedded bay or a single room which is specially equipped with video cameras. This unit is to help with the diagnosis of episodes and the classification of seizures.

Diagnostic Telemetry

Home Video EEG Telemetry

Sleep Studies

Sleep studies enable us to gather information about the quality of sleep by recording various signals e.g. EEG, breathing, movements etc.

Sleep Studies

Sleep Home Video EEG Telemetry

Sleep Monitoring Using An Actigraphy Watch


Magnetic Stimulation

Magnetic Stimulation is a non-invasive and painless way of stimulating the brain in order to investigate nerve conduction.

Magnetic Stimulation

Intra Operative Monitoring (IOM)

During surgery parts of a patient’s nervous system are monitored in order to reduce the risk of nerve damage and provide guidance to the surgeons.

Pre-operative Evoked Potentials

Spinal Cord Monitoring During surgery

Auditory pathway Monitoring During surgery

Pre-Surgical Evaluation for Epilepsy

Some patients with epilepsy do not respond to epilepsy medication and may be suitable for surgery. We provide a range of tests for pre-surgical evaluation.

Surgery Telemetry

Intracranial Telemetry

Epilepsy Surgery Programme – Frequently asked questions

Epilepsy Surgery – Frequently asked questions


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