Cold pleasure. Why we like ice drinks, ice-lollies and ice cream
R. Eccles Appetite Available online 21 September 2013
Ingestion of cold food and drink may be perceived as pleasant.
External body cooling may be unpleasant but oral cooling is pleasant.
Cold stimuli are perceived differently on skin and mouth.
Ice cream and ice lollies may be perceived as pleasant because they satiate thirst.
This review discusses how the ingestion of cold foods and drinks may be perceived as pleasant because of the effects of cooling of the mouth. The case is made that man has originated from a tropical environment and that cold stimuli applied to the external skin may initiate thermal discomfort and reflexes such as shivering and vasoconstriction that defend body temperature, whereas cold stimuli applied to the mouth are perceived as pleasant because of pleasure associated with satiation of thirst and a refreshing effect.
Cold water is preferred to warm water as a thirst quencher and cold products such as ice cream may also be perceived as pleasant because oral cooling satiates thirst. The case is made that cold stimuli may be perceived differently in the skin and oral mucosa, leading to different effects on temperature regulation, and perception of pleasure or displeasure, depending on the body temperature and the temperature of the external environment.
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