05.3_Semantic+Priming

05.3_Semantic+Priming - SceneRecognition...

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Scene Recognition
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Stages of Recognition  Process n Comparison Stage n Response Stage n n Features and smaller structural  descriptions are combined into a single  larger description n Features into faces n Objects into a scene
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Spatial context in visual  recognition n The elements of a scene semantically  prime each other n We may construct a meaningful scene out  of meaningless parts n Perception and recognition can not be  separated into successive processing  stages 
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Objects and Contexts are  Recognized through Structural  Descriptions n A structural description describes the  relative locations  of different  categories  of  objects   that are identified  through  feature representations . n Faces, scenes
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Advantages of Structural  Description n Structural  descriptions make it possible  to recognize an infinite number of  functionally equivalent instances  categorically.
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Cortical Specialization n Specialized areas in the temporal cortex are  devoted to the processing of complex familiar  visual patterns like faces and scene n Plans direct visual scanning of the  environment and deliver the appropriate  features to the specialized areas containing  structural descriptions of the patterns.
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Plans n A plan is a sequence of actions. n A plan may systematically scan input for  features consistent with a structural  description and hence build from the input  some representation consistent with the  structural description. n Visual structural descriptions for faces, scenes,  objects, etc. guide scanning plans that organize  the input into specific representations consistent  with them (compare them with representations in  memory 
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Procedural versus Declarative  Knowledge n The  categorical  structural descriptions that  direct plans used to construct representations  are part of procedural memory but the  instance  representations constructed with  the structural descriptions are part of  declarative memory.
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This note was uploaded on 10/26/2011 for the course PSYCHOLOG 303 taught by Professor Arnoldglass during the Spring '11 term at Rutgers.

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05.3_Semantic+Priming - SceneRecognition...

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