gustofacial
adjEtymology From Latin gustus (“a tasting”), and facial.
1
Of or relating to a basic reflex where different tastes produce different reactions in young children.
- In the gustofacial reflex, sweet tastes evoke a smile, bitter tastes produce a look of disgust and sticking out of the tongue, while sour tastes make the newborn purse its lips.1993, Richard Cytowic, The Man Who Tasted Shapes: