Published on 10 Jun 2013
View full lesson: http://ed.ted.com/lessons/what-color-…
How does one experience synesthesia — the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color to each day of the week. Richard E. Cytowic explains the fascinating world of entangled senses and why we may all have just a touch of synesthesia.
Lesson by Richard E. Cytowic, animation by TED-Ed.