Figure 1 Subjective responses to a series of five questions assessed by visual analog scale ratings from individuals deprived of water for 24 h. Questions were asked before and during a 60-min rehydration period. The data are shown as differences (in cm) from initial values and significant differences are indicated by filled symbols. (Redrawn with permission from Rolls BJ, Wood RJ, Rolls ET et al. (1980) Thirst following water deprivation in humans. American Journal of Physiology 239: R476-R482.)
'How full does your stomach feel now?' (not at all - very full)
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