I remember the trolls in the Hobbit and how they are a little slow on the uptake. By day they are fixed as rock but come alive at night. Thought process is slow and tendancy to get stuck in a rut in conversations which <. Remember trying to raise a point with Nuala once repeatedly and discussion had moved on (AM with hangover). She said it was like talking to limestone....
MIND Misunderstood feels
MIND Talks - one subject, of nothing but
SPEECH Repeats, same thing