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A to Z of neurological topics

In this section we feature information on a number of tests, treatments and conditions, with links for more information either within this website or on external sites where possible. If you can't find what you're looking for, you may wish to speak with one of our Helpline team who may be able to answer your questions. Send an email to [email protected] or call free on 0808 808 1000.

  • G

    Gamma knife


    A type of radiosurgery that uses focussed beams of gamma radiation to treat lesions, such as tumours, within the brain.


    See our map of neurological centres in the UK



    Useful links:

    Contact A Family



    A group of tumours that occur in the brain and spinal cord, and develop from supporting cells in the central nervous system known as glial cells. Types of glioma include astrocytmoa, ependymoma, and oligodendroglioma.


    See our Brain tumour booklet

    See our Spinal tumours booklet


    Useful links:

    Astro Fund

    Glossopharyngeal neuralgia


    A chronic pain disorder that affects one of the nerves in the head and neck known as the glossopharyngeal nerve, and causes episodes of sudden, severe pain in the back of the throat, tongue and ear.


    See our Face pain booklet

    Guillain-Barre syndrome


    An auto-immune condition that affects nerves outside of the brain and spinal cord and can cause problems with sensation and muscle weakness in the legs and arms. It is often triggered by an infection.


    Useful links:

    Guillain Barre Support Group