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

Knauff, M; May, E

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

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

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

Cite as: https://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.