[Phantasy]

In fact their cranial vault is filled with 90% cerebellum and only 10% cerebrum. Enough to control the basic motor functions and little else.

Except Teddy Kennedy's.

[stm]

In Big Head Ted's case, his shrunken cerebellum is suspended in ethanol and the cerebrum has become an artifact like the appendix

[Gordongekko909]

Ted Kennedy's head is filled with whatever alcohol metabolizes to. And I don't think we need to elaborate on his motor skills.