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Unformatted text preview: • could not recognize faces or letters • could not copy shapes shown to them • could discriminate colors and which direction an object was moving • was able to register visual information, but could not combine that information into a perceptual experience associative agnosia (Ratcliff & Newcombe, 1982) • able to recognize simple shapes and can copy shapes shown to them • unable to recognize such objects • anchor --> umbrella • apperceptive agnosia --> early perceptual processes are disrupted • associative agnosia --> later processes (pattern recog) are disrupted • visual perception can be divided into an early phase in which shapes and objects are extracted from the visual scene and into a later phase in which the shapes and objects are recognized (Anderson, 1995)...
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- Fall '09
- Psychology, sensory information, Apperceptive agnosia, Associative agnosia