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Visual Imagery in Deductive Reasoning: Results from experiments with sighted, blindfolded, and congenitally totally blind persons

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84019

Knauff,  M
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Knauff, M. (2004). Visual Imagery in Deductive Reasoning: Results from experiments with sighted, blindfolded, and congenitally totally blind persons. In Twenty-sixth Annual Conference of the Cognitive Science Society (CogSci 2004) (pp. 708-713). Mahwah, NJ, USA: Lawrence Erlbaum.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-D82F-D
Abstract
We report three experiments on visual mental imagery in de-ductive reasoning. Reasoning performance of sighted partici-pants was impeded if the materials were easy to envisage as visual mental images. Congenitally totally blind participants did not show this visual-impedance effect. Blindfolded par-ticipants with normal vision showed the same pattern of per-formance as the sighted. We conclude that irrelevant visual detail can be a nuisance in reasoning and impedes the process.