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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.

  • R



    A medical professional that performs, reads and writes reports on scans such as angiograms, CT scans, MRI scans, and X-rays.



    A form of radiotherapy that uses focussed beams of radiation to damage the cells in targeted areas, in order to stop them from growing or to cause cell death.


    See our map of neurological centres in the UK

    Raynaud's syndrome


    A condition in which the small blood vessels in the fingers, and sometimes the toes, nose, ears or lips, constrict when exposed to cold temperatures or emotional stress. This causes the skin to become very pale in these areas and it is often painful although sometimes it can also cause numbness.


    Useful links:

    Raynaud’s and Scleroderma Association

    Reye's syndrome


    A condition that causes damage to the brain and liver and occurs a few days after a viral infection.