Fatal familial insomnia is a hereditary prion disease in which degeneration of the thalamus occurs, causing the patient to gradually lose their ability to sleep and progressing to a state of total insomnia, which invariably leads to death. In contrast, damage to the thalamus can result in coma.
Fatal familial insomnia is a hereditary prion disease in which degeneration of the thalamus occurs, causing the patient .to gradually lose their ability to sleep and progressing to a state of total insomnia, which invariably leads to death In contrast, damage to the thalamus can result in coma.