Most locked-in syndrome patients do not recover lost functions however, in rare instances, significant improvement in the condition may occur.
Although there is no specific treatment for locked-in syndrome, supportive care and communication by eye movements can help the patient survive and improve their quality of life.
The syndrome is often (about 50% of the time) discovered by the patient's family members that recognize awareness in their family member MRI and eye-movement tests can help diagnose locked-in syndrome.
The symptoms and signs of locked-in syndrome include quadriplegia and the inability to speak or make facial movements, but those affected are aware and may communicate by eye movements.
The main causes of locked-in syndrome are brainstem hemorrhage or infarct rarely other causes such as trauma, tumors, or infection, for example, may cause the syndrome.
The affected person cannot communicate but is aware of their surroundings the patient can hear and see and has normal intelligence and reasoning ability but may only communicate with eye movements.
Locked-in syndrome occurs when a person is quadriplegic and also has no way to produce speech or facial movements.
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