Figure 4.

Log₁₀ mean ratings of bitterness intensity perceived for 3-s post-exposures to naringin (a–d) or denatonium benzoate (e–h) for temperatures of 10°–37 °C following 0-, 3-, or 10-s pre-exposures to denatonium, narigin, or H₂O (only) at the same temperatures. The data points at 0-s are the same as those in Figure 3. Letters on the right y-axis represent semantic labels on the gLMS: BD = barely detectable, W = weak, M = moderate, S = strong. Vertical bars indicate SEMs.