Intellect Intelligence tests 65 Intelligence levels 44 Cognition 41 Brain 32 Social aspects 32 Knowledge, Theory of 31 more ... Artificial intelligence 30 Philosophy 28 Nature and nurture 27 Psychology 25 Thought and thinking 24 Psychological aspects 23 History 21 Genetic aspects 18 Personality 17 Ability 14 Child psychology 14 Animal intelligence 13 Cognitive science 13 Human information processing 13 Creative ability 12 Learning, Psychology of 11 Religious aspects 11 Consciousness 9 Evolution 9 Mind and body 9 Neuropsychology 9 Philosophy of mind 9 Psychology, Comparative 9 less ...