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A real red-letter day

Nature Neuroscience volume 10, pages 671–672 (2007)Cite this article

Synesthesia, in which letters or numbers elicit color perception, could be due to increased brain connectivity between relevant regions, or due to failure to inhibit feedback in cortical circuits. Diffusion tensor imaging now provides evidence for increased connectivity in word processing and binding regions of the brain.

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Figure 1: The outer cortical surface with relevant brain regions indicated.

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Authors and Affiliations

  1. The author is at Institut National de la Santé et de la Recherche Médicale Unité 562, Neuroimagerie Cognitive, CEA/SAC/DSV/DRM/NEUROSPIN, Bât. 145, Point courrier 156, 91191 Gif-Sur-Yvette, France. edhubbard@gmail.com,

    Edward M Hubbard

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  1. Edward M Hubbard
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The author declares no competing financial interests.

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Hubbard, E. A real red-letter day. Nat Neurosci 10, 671–672 (2007). https://doi.org/10.1038/nn0607-671

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