Locked-in syndrome: A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement.
NINDS Locked-In Syndrome Information Page
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Locked-in syndrome
A neurological condition in which a person is conscious
Can think and reason
But cannot speak or move ...
Locked-In Syndrome is characterized by complete paralysis except for voluntary eye movements. It is usually caused by lesions in the nerve centers that control muscle contractions, or a blood clot that blocks circulation of oxygen to the brain stem.
In locked-in syndrome the patient has awareness, sleep-wake cycles, and meaningful behavior (viz., eye-movement), but is isolated due to quadriplegia and pseudobulbar palsy.
[edit] Minimally conscious state
Main article: Minimally conscious state ...
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Serious complications from neck manipulation are rare and include brainstem or cerebellum infarction, locked-in syndrome, Wallenberg syndrome, spinal cord compression, tracheal rupture, vertebral fracture, internal carotid blood clot (hematoma), ...
For example, there is a condition called "locked-in syndrome" where a person is fully aware but is unable to move any of their muscles, so they are unable to move or speak.
Weakness or paralysis in the arms, legs, and/or face
Problems with sensation
Hearing loss
Vision problems
Vertigo (feeling of spinning or whirling when you are not moving)
'Locked-in syndrome' (only the eyes are able to move)
Coma ...
Locked-in syndrome. People in this condition are aware and awake, but can't move or speak because of complete paralysis to their bodies.
Brain death. When brain death occurs, there is no sign of any brain functioning.
vegetative state (a condition of brain damage in which a person has lost his thinking abilities and awareness of his surroundings, but retains some basic functions such as breathing and blood circulation)
locked-in syndrome (a neurological condition ...
 See also: Injury, Symptom, Paralysis, Brain Injury, Coma
  
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