An autosomal dominant disorder characterized by degeneration of the THALAMUS and progressive insomnia. It is caused by a mutation in the prion protein (PRIONS).

Synonyms: Fatals, Insomnia Familial, Fatal Familial Insomnia, Insomnias, Familial Fatal, Familial Fatal Insomnia, Fatal Insomnia, Familial, Familial Fatals, Insomnia, Insomnia, Familial Fatal, Fatal, Insomnia Familial, Fatal Insomnias, Familial, Insomnia, Fatal Familial, Insomnias, Fatal Familial, Familial Fatal Insomnias, Insomnia Familial Fatals, Familial Fatal, Insomnia, Insomnia Familial Fatal, Fatal Familial Insomnias