The perceptual reality of synesthetic colors

Proceedings of the National Academy of Sciences of the United States of America
Thomas J PalmeriWilliam Whetsell

Abstract

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 generated color may take place. Synesthetic colors were elicited by forms defined solely by binocular cues or solely by motion cues, which implies a central locus of visual processing for synesthetic binding of form and color. Also included among our measurements was a difficult visual search task on which non-synesthetic subjects required an effortful search through the visual display. Our subject, in contrast to non-synesthetic subjects, accomplished the task with relative ease because the target of the search had a different synesthetic color from the distractors. Thus, synesthetic experiences appear to originate from a binding of color and form that takes place within central stages of visual processing.

References

Jun 1, 1992·Perception & Psychophysics·J Theeuwes
Jan 1, 1991·Cerebral Cortex·D J Felleman, D C Van Essen
Mar 1, 1991·Psychological Bulletin·C M MacLeod
Apr 1, 1990·Cognitive Psychology·K R Cave, J M Wolfe
Jan 1, 1982·Cognitive Psychology·A Treisman, H Schmidt
Jan 1, 1980·Cognitive Psychology·A M Treisman, G Gelade
Feb 14, 1995·Proceedings of the National Academy of Sciences of the United States of America·G A OrbanL Mortelmans
Dec 31, 1997·Cerebral Cortex·S Van OostendeG A Orban
Sep 18, 1999·Psychological Research·K R Cave
Aug 10, 2000·Nature·M J DixonP M Merikle
Feb 13, 2001·Trends in Cognitive Sciences·P G. Grossenbacher, C T. Lovelace
Apr 3, 2001·Perception & Psychophysics·M Turatto, G Galfano
May 24, 2001·Proceedings. Biological Sciences·V S Ramachandran, E M Hubbard
Oct 12, 2001·Journal of Cognitive Neuroscience·D SmilekP M Merikle
Sep 1, 1948·The Laryngoscope·J P EGAN
May 1, 1998·Trends in Cognitive Sciences·R B TootellA M Dale

❮ Previous
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Citations

Jun 7, 2005·Brain Research. Cognitive Brain Research·Daria KnochPeter Brugger
Feb 4, 2003·Nature Reviews. Neuroscience·Lynn C Robertson
Dec 7, 2011·Proceedings of the National Academy of Sciences of the United States of America·Vera U LudwigTetsuro Matsuzawa
Feb 1, 2005·Cognitive Neuropsychology·Jamie WardVivian Auyeung
Mar 15, 2008·Cognitive Neuropsychology·Matej Hochel, Emilio G Milán
Nov 10, 2009·Neurocase·David Brang, V S Ramachandran
Jan 6, 2009·The Quarterly Journal of Experimental Psychology : QJEP·Kylie J BarnettFiona N Newell
Jan 10, 2008·Proceedings. Biological Sciences·C GheriM J Morgan
Mar 27, 2004·Psychological Science·Bruno LaengHella Oelmann
Jun 20, 2007·Psychological Science·Danko NikolićWolf Singer
May 30, 2009·Psychological Science·Gary BargaryFiona N Newell
Nov 5, 2005·Journal of Cognitive Neuroscience·Roi Cohen KadoshAvishai Henik
Mar 27, 2007·Journal of Cognitive Neuroscience·Julia Simner, Emma Holenstein
Jun 1, 2007·Journal of Cognitive Neuroscience·Daniel SmilekMichael Reynolds
Nov 20, 2008·Journal of Cognitive Neuroscience·Peter H WeissGereon R Fink
Jun 20, 2008·Journal of Cognitive Neuroscience·Jonathan S A CarriereDaniel Smilek
Jul 5, 2012·PloS One·Olympia ColizoliRomke Rouw
Aug 19, 2007·Psychonomic Bulletin & Review·Chai-Youn Kim, Randolph Blake
Feb 16, 2013·Psychonomic Bulletin & Review·Ophelia Deroy, Charles Spence
Aug 1, 2002·Proceedings of the National Academy of Sciences of the United States of America·Keith M ShafritzRene Marois
Jul 4, 2012·Annual Review of Psychology·Jamie Ward
Nov 13, 2004·Cognitive, Affective & Behavioral Neuroscience·Mike J DixonPhilip M Merikle
Sep 26, 2013·Journal of Integrative Medicine·Md Khirul IslamMd Anisuzzman
Jul 19, 2011·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·David BrangVilayanur S Ramachandran
Dec 24, 2015·Frontiers in Psychology·Tessa M van LeeuwenDanko Nikolić
Jun 16, 2009·Trends in Cognitive Sciences·David M Eagleman, Melvyn A Goodale
Apr 3, 2009·Annals of the New York Academy of Sciences·Jason B Mattingley
May 31, 2007·British Journal of Psychology·Jamie WardFlora Kaminski
Sep 20, 2011·Journal of Neuropsychology·Scott NovichDavid M Eagleman
Sep 20, 2011·Journal of Neuropsychology·Edward M HubbardVilayanur S Ramachandran
Sep 20, 2011·Journal of Neuropsychology·Romke RouwOlympia Colizoli
Sep 20, 2011·Journal of Neuropsychology·Romke Rouw
Sep 20, 2011·Journal of Neuropsychology·Maina AminNoam Sagiv
Sep 20, 2011·Journal of Neuropsychology·Julia SimnerMichelle D Taylor
Jan 11, 2012·British Journal of Psychology·Julia Simner
Aug 30, 2012·The European Journal of Neuroscience·Valentina NiccolaiPetra Stoerig

❮ Previous
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