Describes the various senses as sensory systems that are attuned to the environment. Develops the notion of rich sensory information that specifies the distal environment. Includes a discussion of affordances.

Every perceptual experience has an objective and a subjective side. We see object size, independent of distance, but we also see that distant objects project smaller images. Early modern conceptions focused on local stimulation and thus on the subjective aspect. Helmholtz and Hering emphasized the objective aspect. Helmholtz split visual experience into two stages, with sensation representing the subjective side and perception, through cognitive processes, the objective side. Gestalt theory denied this dualism, rejecting both sensory and cognitive stages. Despite contrary (...) evidence, the sensation/perception dualism persists, in brightness models and past experience theories. That we can detect visual angle and luminance does not mean that these are raw sensations out of which perception of size and lightness is built. Size and color constancy are truly visual, not cognitive. Instructions to subjects in vision experiments must avoid the proximal mode on the one hand and cognitive judgments on the other. (shrink)

Unlike the first English translation in 1974, this edition contains the text corresponding to Brentano's original 1874 edition.

Michael Heidelberger's exhaustive exploration of Fechner's writings, in relation to current issues in the field, successfully reestablishes Fechner'...

(This paper has since been republished in _Kant's Critique of Pure Reason: Critical Essays_, edited by Patricia Kitcher [Lanham: Rowman and Littlefield, 1998], 21-44.) Kant's claim that space and time are "forms of intuition" is contrasted with the nativist claim that space is an innate idea or construct of the mind and with the empiricist claim that space is given in or learned from experience. It is argued that the nativism/empiricism debate masks a more fundamental disagreement between sensationism and constructivism. (...) Kant's account of space- and time-cognition is shown to be neither sensationist nor constructivist and as a consequence to be "nativistic" in a sense which commentators from Vaihinger and Kemp Smith to Patricia Kitcher have failed to capture. (shrink)

This Is A New Release Of The Original 1868 Edition.