The Handbook of Multisensory Processes
Gemma Calvert is a Wellcome Career Development Fellow and Head of the Multisensory Research Group at the Department of Physiology and Center for Functional Magnetic Resonance Imaging of the Brain at Oxford University.
Barry E. Stein is Professor and Chair of the Department of Neurobiology and Anatomy at Wake Forest University School of Medicine. His previous books on this topic include
52: Grapheme-Color Synesthesia: When 7 Is Yellow and D Is Blue
Mike J. Dixon, Daniel Smilek, Brandon Wagar, Philip M. Merikle, 2004. "Grapheme-Color Synesthesia: When 7 Is Yellow and D Is Blue", The Handbook of Multisensory Processes, Gemma A. Calvert, Charles Spence, Barry E. Stein
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