Affected individuals may develop slurred speech (dysarthria) and, later, difficulty chewing or swallowing (dysphagia).
[ncbi.nlm.nih.gov]
Progressive Bulbar Palsy (PBP) A condition that starts with difficulties speaking, chewing and swallowing due to lower motor nerve cell (neuron) deterioration.
[my.clevelandclinic.org]
or swallowing.1 Signs of bulbar disease include dysarthria, facial weakness, weakness pushing the tongue outward (pulsion), poor palate elevation, difficulty chewing, impaired
[ajmc.com]