Progressive bulbar palsy

Progressive bulbar palsy is a form of motor neuron disease characterized by dysfunction of the muscles controlled by the cranial nerves of the lower brain stem (the "bulb") -- specifically, the glossopharyngeal nerve (IX), vagus nerve (X), and hypoglossal nerve (XII).

It should not be confused with pseudobulbar palsy.

The term Fazio Londe syndrome is used to describe juvenile onset.