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Pattern Recognition - • could not recognize faces or...

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Pattern Recognition Pattern Recognition sensation : reception of stimulation from the environment and the initial encoding of that stimulation into the nervous system sensory information = visual, auditory, tactile, olfactory perception : the process of interpreting and understanding sensory information (Ashcraft, 1994) uses previous knowledge to interpret what is registered by the senses More than just simple registering of sensory information... involves some sort of interpretation of that information visual agnosia : an inability to recognize visual objects that is neither a function of general intellectual loss nor a loss of basic sensory abilities apperceptive agnosia (Benson & Greenberg, 1969) soldier who suffered brain damage from carbon monoxide poisoning recognized objects through feel, smell, or sound could not distinguish between a circle and a square
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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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