0

Comatose

1

Lives by the most basic instincts; not capable of logic or reason

2

Animal-level intelligence, acts mostly on instinct but can be trained

5

Can speak but is apt to react instinctively and impulsively, sometimes resorts to charades to express thoughts

6

Dull-witted or slow, often uses and mispronounces words

8

Has trouble following trains of thought, forgets most unimportant things

10

Knows what they need to get by

12

Picks up new ideas quickly and learns easily; fairly logical

15

Can solve most problems without trying very hard; able to do math or logic puzzles mentally with reasonable accuracy

18

Genius-level intelligence, may invent new processes or uses for knowledge

20

Highly knowledgeable; probably the smartest person many people know

25

World-famous level intelligence; constantly sought out for advice