 Brentano, Franz |  consciousness |  consciousness: and intentionality |  Descartes, René: life and works |  dualism |  Hume, David |  James, William |  Kant, Immanuel: view of mind and consciousness of self |  Leibniz, Gottfried Wilhelm: philosophy of mind |  neuroscience, philosophy of |  neutral monism |  personal identity |  qualia |  Reid, Thomas 