An abnormal sensation often caused by pressure or damage to a nerve, and includes feelings of tingling, pricking, burning or numbness.
A loss of muscle function in part of your body.
A progressive, degenerative condition that affects the brain and can cause problems with movement, rigidity, tremors, and speech.
A fluid filled sac that affects nerve roots, often those at the level of the sacrum. These cysts don’t usually cause symptoms, but if they are compressing the nerve root they may cause low back pain, sciatica, incontinence, and other neurological symptoms.
Persistent vegetative state (PVS)
A disorder of consciousness in which someone appears to be unaware of their environment and are largely unresponsive but experiences a ‘sleep-wake cycle’ and has their eyes open at times, referred to as wakefulness.
A physical form of therapy that aims to help restore movement, mobility and normal body function.
A pineal cyst is a cyst found on the pineal gland in the brain. They are often asymptomatic but in some cases can cause headaches and other symptoms.
A condition in which the sciatic nerve is compressed or irritated by the piriformis muscle, which is located in the buttocks. It can cause pain, numbness or tingling along the back of the leg and down in to the foot, and can be very similar in presentation to sciatica.
A type of tumour that occurs in the brain, and develops from the pituitary gland.
(also known as polio)
An infectious disease caused by the polio virus. Most people may not experience any symptoms, but in some cases it can cause problems such as muscle weakness, paralysis, and meningitis.
A complication of shingles (a condition caused by the chickenpox virus) that affects nerve fibres in the skin and causes a burning pain that continues in an area previously affected by shingles.
Post-traumatic stress disorder (PTSD)
An anxiety disorder that is caused by very stressful or distressing events. Someone with PTSD can experience nightmares or flashbacks to the event, and may also have emotional difficulties, problems sleeping, and other symptoms such as panic attacks.
The space in the back of the skull where the cerebellum usually sits.
(also known as orthostatic hypotension)
A form of low blood pressure that occurs when you change position from sitting or lying down, to standing up, and can cause symptoms including light-headedness, dizziness, and headache.
Postural orthostatic tachycardia syndrome (POTS)
(also known as postural tachycardia syndrome)
A disorder that is characterised by an abnormal increase in heart rate that occurs after sitting up or standing, and that can cause symptoms including dizziness, light-headedness, headaches, and fainting.
Progressive supranuclear palsy (PSP)
A progressive condition that affects the brain and can cause problems with balance, movement, vision, speech, and swallowing.
An abnormal collection of cerebrospinal fluid, sometimes found around the surgery site after decompression surgery.