psyc105_ch9

psyc105_ch9 - • Evidence for verbal representations –...

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Unformatted text preview: • Evidence for verbal representations – Propositional theory (Pylyshyn, 1973) • mental images consist of a symbolic network of relations • Demand Characteristics (doing what the experimenter wants) – imagery experiments are often “cognitively penetrable” – some experimenters told one hypothesis and others told the opposite » Intons-Peterson (1983) » On some trials, primes were imagined, while on others there were actually shown ______ WEST-OF ______ San Diego Reno Imagery: Verbal or non-verbal? • Distorted images – mental maps reflect heuristics (rules of thumb) » Tversky (1981) – mental images are influenced by their labels » Chambers and Reisberg (1992) » Duck (A different than B) » Rabbit (A different than C) » Carmichael et al. (1932) • Non-verbal representations (Finke, 1989) – verbal effects rely on memory-based tasks – Implicit Encoding (visual equivalence) • latent knowledge in the visual representation • an example with the “Dual Coding Hypothesis” (verbal and...
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This note was uploaded on 09/15/2011 for the course PSYCH 105 taught by Professor Staff during the Spring '11 term at UCSD.

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psyc105_ch9 - • Evidence for verbal representations –...

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