Intellect Intelligence tests 65 Intelligence levels 43 Cognition 41 Brain 32 Social aspects 31 Artificial intelligence 30 more ... Knowledge, Theory of 30 Philosophy 28 Nature and nurture 27 Psychological aspects 23 Psychology 23 Thought and thinking 23 History 19 Genetic aspects 17 Personality 16 Ability 14 Child psychology 14 Animal intelligence 13 Cognitive science 13 Human information processing 13 Creative ability 11 Learning, Psychology of 11 Religious aspects 10 Consciousness 9 Evolution 9 Neuropsychology 9 Philosophy of mind 9 Psychology, Comparative 9 Education 8 less ...