Philosophy of mind 40 Philosophy of the Self 40 Self 40 Phenomenology 12 Phenomenology  12 Philosophy 8 Difference (Psychology) 7 Personality 7 Personality and Differential Psychology 7 Philosophy of Mind 7 Cognitive Psychology 6 Cognitive psychology 6 Ethics 5 History of Philosophy 5 Moral Philosophy and Applied Ethics 5 Philosophy of Biology 5 Aesthetics 4 Early Modern Philosophy 4 Educational sociology 4 Gender Studies 4 Philosophy of Nature 4 Philosophy of nature 4 Philosophy, Modern 4 Sex 4 Sociology of Education 4 Biology 3 Community Psychology 3 Community psychology 3 History 3 Metaphysics 3