![]() Because it’s not a vascular issue, it usually comes from a cranioencephalic trauma caused by a contusion to the brain stem or a vertebrobasilar dissection.ĭepending on how severely it cuts off the patient’s motor functions, there are three types of clinical classifications: There are usually warning signs that come weeks or even months before, like dizziness or nausea. ![]() The main cause of it is a basilar artery thrombosis. They can perceive all external stimuli, but they just can’t physically respond to them. The patient perceives, processes, and produces information with totally normal cognitive processes. Because neither the brain’s cortex nor thalamus are affected, there’s no change in cognitive functions. The general symptoms of this condition are: quadriplegia, anarthria (the inability to articulate words), and still being conscious. It’s a slow method, but it has helped give a “voice” to people who lost theirs because of this syndrome. They have a board with all the letters of the alphabet on it, and they choose the letters in the words and sentences they want to make. ![]() It’s worth pointing out that there are cases where people have managed to communicate with their eyelids. ![]() The only part of your body you can move is your eyelids. It’s like your brain “disconnects” from your body and loses its ability to give your body orders. But your brain keeps on receiving every kind of sensory signal like pain and temperature, and every kind of somatic signal too, like hunger.Ĭommunication becomes almost impossible because you’re completely unable to move your vocal muscles. ![]()
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