ABSTRACT
The possible hypotheses may be reduced to three, Epiphenomenalism, Parallelism, and Interaction. Epiphenornenalism is legitimate as a methodological principle in Physiology; it is untenable as a basis for Psychology because it implies the reduction of psychical facts to mechanical law. If a psychophysical hypothesis were ever directly applicable to the actualities of experience, dismiss Epiphenomenalism at once as inherently absurd. The proposition that the psychophysical theory of the “ connection” of “body ” and “mind” is an artificial transformation, due to the needs of empirical science, of the actual teleological unity of human experience, is sometimes expressed by the statement that mind and body are really one and the same thing. With the recognition that Psychology never deals directly with experienced reality, but always with the hypothetical products of an abstraction which is only justified by its usefulness for the special purposes of the psychologist, all the difficulties disappear.
