Lecture12-SpatialRep-Corrected

Lecture12-SpatialRep-Corrected - Lecture 12 Spatial...

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1 Lecture 12: Spatial representation Fall 2009 Prof. Lombrozo Overview of today’s class: 1. Visual Memory - How are images stored in memory? 2. Spatial Representation - How are spatial relationships organized and represented? Reminder: Assignment 4 due by Friday @ 10pm 12.2 Visual & Spatial memory • Short-term/working memory – Visuospatial sketchpad • Long-term memory – Mental maps, mental images, … • Questions about visual and spatial memory: – How is visual/spatial information represented? • Is format the same as that for verbal representation? – How is visual/spatial memory organized? • Are there visual/spatial “chunks”? • Are there visual/spatial “schemas”? 12.3 Visual Memory Picture-superiority effect : memory for pictures is typically better than memory for words Paivio’s Dual-coding hypothesis : visual and verbal information employ different codes Stimulus: Representation: CAT verbal : “cat” visual : verbal : “cat”
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2 12.4 Evidence for picture superiority (Standing, 1973) 0 10 20 30 40 50 20 40 100 200 400 1000 Words Pictures Vivid pictures 0 250 500 750 1000 20 40 100 200 400 1000 % recognition errors # of items studied (N) Est. items retained # of items studied (N) Task:
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This note was uploaded on 10/01/2011 for the course COG SCI 10 taught by Professor Lombrozo during the Fall '09 term at Berkeley.

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Lecture12-SpatialRep-Corrected - Lecture 12 Spatial...

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