Sweet, umami, and bitter stimuli were significantly correlated with hedonic rating and blood flow in specific facial skin regions.

Abstract

<p>Sweet (a) and umami (b) stimuli were significantly correlated with hedonic rating and eyelid skin blood flow (sweet: r = 0.60, n = 41; umami: r = 0.57, n = 44). Bitter (c) stimuli were significantly correlated with hedonic rating and nose skin blood flow (r = 0.52, n = 38).</p