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The dual coding of colour: 'Surface colour' and 'illumination colour' as constituents of the representational format of perceptual primitives

ions, as has repeatedly been emphasised in the literature. Stumpf (1917, p. 8), for instance, insisted that a specification of colour attributes is based on the "ability and the conditions for an isolating abstraction"; and Burnham, Hanes & Bartleson (1963, p. 5), in a report on behalf of the Inter-Society Color Council, regarded these "visually abstractable dimensions" as representing "an abstraction from a total visual experience" and emphasised that they "represent a cultural development upon which there is reasonably general agreement." Concepts of basic colour attributes, such as hue, saturation and brightness, are theoretical terms that have been developed and abstracted