Assignment task:
A 37-year-old man presented with a c/o speech difficulty due to problems with tongue control. He described his speech as "slurred" and said that he was having difficulty with swallowing characterized by drooling and trouble moving the food around. An oral motor evaluation revealed tongue deviation to the right on protrusion and right-sided upper and lower facial weakness. Speech was characterized by imprecise articulation and vowel distortions with normal voice quality.
What type of motor speech disorder are these characteristics associated with?
Which cranial nerves are implicated in the diagnosis and why?