Definition from Wiktionary, the free dictionary
- (neurology, psychology) A neurological or cognitive phenomenon in which activation of a particular concept triggers a sensory-like experience.
- ^ Nikolić, D. (2009) Is synaesthesia actually ideaesthesia? An inquiry into the nature of the phenomenon. Proceedings of the Third International Congress on Synaesthesia, Science & Art, Granada, Spain, April 26–29, 2009.