The perceptual reality of synesthetic colors.

  title={The perceptual reality of synesthetic colors.},
  author={Thomas J. Palmeri and Randolph Blake and Ren{\'e} Marois and Marci A. Flanery and William O. Whetsell},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={99 6},
Synesthesia is a remarkable, rare condition where an individual has multimodal perceptual experiences from a unimodal sensory event. We have studied such an individual, an adult male for whom achromatic words and alphanumeric characters are seen in vivid, reliable colors. We used a variety of perceptual tasks to document the perceptual reality of synesthetic colors and to begin to localize the stage of visual processing where this anomalous binding of externally specified form and internally… CONTINUE READING