Visual imagery can impede reasoning

@article{Knauff2002VisualIC,
  title={Visual imagery can impede reasoning},
  author={Markus Knauff and Philip N. Johnson-Laird},
  journal={Memory \& Cognition},
  year={2002},
  volume={30},
  pages={363-371}
}
Although it is natural to suppose that visual mental imagery is important in human deductive reasoning, the evidence is equivocal. This article argues that reasoning studies have not distinguished between ease of visualization and ease of constructing spatial models. Rating studies show that these factors can be separated. Their results yielded four sorts of relations: (1)visuospatial relations that are easy to envisage visually and spatially, (2)visual relations that are easy to envisage… 

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