CP_patrec_post - PERCEPTION AND PATTERN RECOGNITION Making...

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PERCEPTION AND PATTERN RECOGNITION Making sense of sensation Local vs. Global scope Data-driven (sensory, bottom-up) vs. Concept-driven (knowledge, “top-down”) Organizing the perceptual world Gestalt “strategies” of grouping Recognizing familiar patterns Changes in performance and process as we practice Impairments of pattern recognition skill
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GESTALT “STRATEGIES” OF PATTERN ORGANIZATION PROXIMITY SIMILARITY CONTINUITY CLOSURE
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ASYMMETRIES IN HEMISPHERIC PROCESSING One hypothesis: Left Hemisphere specialized for “local detail,” fine-grained analysis Right Hemisphere specialized for “global form” and wide scope Damaged LH Damaged RH
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vast number of distinct patterns can be learned e.g., over 60,000 spoken or written words recognition can with practice by very fast and “automatic” e.g., Lexical Decision Speed BLACK ? ~600 msec BLARK can succeed in spite of great variability of input (“noise”) SOME BASIC FACTS ABOUT HUMAN PATTERN RECOGNITION
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CP_patrec_post - PERCEPTION AND PATTERN RECOGNITION Making...

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