Was Proust A Taster? Taste Sensitivity To 6-N-Propylthiouracil and the Relationships Among Memory, Imagination, Synesthesia, and Emotional Response to Visual Experience

Individuals can be classified as tasters or nontasters of 6-n-propylthiouracil (PROP), based on the strength of their taste response to this chemical. We studied the taste sensitivity of 202 college students and grouped them into tasters and nontasters.