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Symptoms include nausea, headache, weakness, irritability, confusion, visual disturbances, parkinsonism, persistent vegetative state, akinetic mutism, agnosia, apraxia, confabulation, depression, delirium, and psychosis (8).
Probable sporadic: Cases with a history of rapidly progressive dementia, typical EEG and at least two of the following clinical features; myoclonus, visual or cerebellar signs, pyramidal/extrapyramidalsigns or akinetic mutism.
She was paralyzed and mute, a condition known as akinetic mutism.