Table 1.

Definitions of commonly used terms

Term	Definition
Taste acuity	The ability to detect and recognise taste stimuli [23]
Detection threshold	The lowest concentration at which a taste solution can be distinguished from water [23]
Recognition threshold	The lowest concentration at which a taste solution can be correctly identified [23]
Taste sensitivity	The minimum concentration at which a specific taste quality can be perceived [24]
Hedonic taste	The affective component of taste - whether a taste is liked or disliked [6]
Negative allisthaesia	The point at which a pleasant sensation becomes unpleasant following repeated exposure [25]