intensity of the aftertaste sensations "nontasters" experienced after caffeine consumption was found to diminish faster than the sensations "tasters" experienced. This may imply that because of their taste-bud profiles, "tasters" may be more sensitive to the tastes of different foods, and thus experience a more persistent sensation of those foods' tastes.

Taste receptor dynamics

Because a lingering taste sensation is intrinsic to aftertaste, the molecular mechanisms that underlie aftertaste are presumed to be linked to either

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