Mind, Philosophy of

Philosophy of mind, and philosophy of psychology are two terms for the same general area of philosophical inquiry: the nature of mental phenomena and their connection with behaviour and, in more recent discussions, the brain. Much work in this area reflects a revolution in psychology that began mid-century. Before then, largely in reaction to traditional claims about the mind being non-physical (see Dualism; Descartes), many thought that a scientific psychology should avoid talk of private mental states. Investigation of such states had seemed to be based on unreliable introspection (see Introspection, psychology of), not subject to independent checking (see Private language argument), and to invite dubious ideas of telepathy (see Parapsychology). Consequently, psychologists like B.F. Skinner and J.B. Watson, and philosophers like W.V. Quine and Gilbert Ryle argued that scientific psychology should confine itself to studying publicly observable relations between stimuli and responses (see Behaviourism, methodological and scientific; Behaviourism, analytic).