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Nature Neuroscience volume 10, pages 671672 (2007) | Download Citation

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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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Author information

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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Competing interests

The author declares no competing financial interests.

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DOI

https://doi.org/10.1038/nn0607-671

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