Intellect 39 Intellect -- 11 Thought and thinking 10 Memory 9 Brain 8 Knowledge, Theory of 4 Mental discipline 3 Problems, exercises, etc 3 Success in business 3 Cognition -- 2 Creative ability 2 Group relations training 2 Islam 2 Leadership 2 Learning 2 Management games 2 Mnemonics 2 Religious aspects -- 2 Self-actualization (Psychology) 2 Small groups 2 Social aspects 2 Thought and thinking -- 2 Ability 1 Alzheimer's diesease- Prevention 1 Alzheimer's disease- Prevention 1 Artificial insemination, Human -- 1 Barin 1 Brain- Aging 1 Brain-Aging 1 Child rearing -- 1