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.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 12 print issues and online access
$209.00 per year
only $17.42 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
References
Hubbard, E.M. & Ramachandran, V.S. Neuron 48, 509–520 (2005).
Rich, A.N. & Mattingley, J.B. Nat. Rev. Neurosci. 3, 43–52 (2002).
Simner, J. et al. Perception 35, 1024–1033 (2006).
Mattingley, J.B., Rich, A.N., Yelland, G. & Bradshaw, J.L. Nature 410, 580–582 (2001).
Dixon, M.J., Smilek, D., Cudahy, C. & Merikle, P.M. Nature 406, 365 (2000).
Hubbard, E.M., Arman, A.C., Ramachandran, V.S. & Boynton, G.M. Neuron 45, 975–985 (2005).
Nunn, J.A. et al. Nat. Neurosci. 5, 371–375 (2002).
Grossenbacher, P.G. & Lovelace, C.T. Trends Cogn. Sci. 5, 36–41 (2001).
Rouw, R. & Scholte, H.S. Nat. Neurosci. 10, 792–797 (2007).
Hensch, T.K. Nat. Rev. Neurosci. 6, 877–888 (2005).
Dixon, M.J., Smilek, D. & Merikle, P.M. Cogn. Affect. Behav. Neurosci. 4, 335–343 (2004).
Weiss, P.H., Zilles, K. & Fink, G.R. Neuroimage 28, 859–868 (2005).
Esterman, M., Verstynen, T., Ivry, R.B. & Robertson, L.C. J. Cogn. Neurosci. 18, 1570–1576 (2006).
Cohen, L. et al. Brain 123, 291–307 (2000).
Dehaene, S., Cohen, L., Sigman, M. & Vinckier, F. Trends Cogn. Sci. 9, 335–341 (2005).
Author information
Authors and Affiliations
Ethics declarations
Competing interests
The author declares no competing financial interests.
Rights and permissions
About this article
Cite this article
Hubbard, E. A real red-letter day. Nat Neurosci 10, 671–672 (2007). https://doi.org/10.1038/nn0607-671
Issue Date:
DOI: https://doi.org/10.1038/nn0607-671