2.6.1. Perception of Homeostatic and Hedonic Sensations
nausea, pain, fullness, abdominal bloating
Five 10-cm scales graded from −5 to +5 were used to measure: (a) meal wanting (impossible/eagerly), (b) meal liking (very disagreeable/very agreeable), (c) hunger/satiety (extremely hungry/completely satiated), (d) digestive well-being (extremely unpleasant sensation/extremely pleasant sensation) and (e) mood (negative/positive); three additional 10-cm scales graded from 0 (not at all) to 10 (very much) were used to measure (f) abdominal bloating–fullness, (g) discomfort–pain and (h) nausea. The wanting scale was scored at the presentation of each meal serving (how much would you like to eat this portion) and at the end of the meal (how much would you like to eat another portion). The liking scale was scored after each meal serving (how much did you like eating the previous portion). The rest of the scales were scored: (a) during the pre-ingestion period (10 min before the meal) at 5 min intervals, (b) during meal ingestion, after each meal serving, and (c) during the postprandial period at 5 min intervals during the first 20 min and at 10 min intervals up to 60 min after ingestion (