Motor Neurone Disease

What is Motor Neurone Disease?

Motor Neurone Disease (MND) is the name given to a group of closely related disorders affecting the motor neurones (nerve cells controlling muscles) in the brain and spinal cord. Degeneration of these motor neurones results in progressive muscle wasting and weakness because the muscles have lost their nerve supply.

There are three main types of MND which are different forms of the same disease: a) Amyotrophic Lateral Sclerosis (ALS) b) Progressive Muscular Atrophy c) Progressive Bulbar Palsy There is considerable overlap between these clinical categories. ALS is the most common type and, indeed in the USA the name “ALS” is generally used to cover all types of MND. But in Australia the term MND is more commonly used. If you have MND and are not sure which type you have, then your doctor will be able to help you.

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