 During PS’s study, researchers determined the consistency of her responses to be greater than 99% over a three-week period, indicating the validity of her condition.A result of her study demonstrated that merely listening to someone speak a string of words in quick succession, such as reading, did not evoke synesthetic tastes.This led to the implication that single words must be focused on in order to activate the inducer-concurrent taste in certain forms of lexical-gustatory synesthesia.