What does the lemon test measure?
Salivary output to lemon juice was measured on 24 subjects in the morning and afternoon with and without the presentation of noise. It was found that time of day and noise affected salivation output and that these factors interacted such that more saliva was produced by noise in the morning than in the afternoon. Possible reasons for the interaction are discussed.
D001143:Arousal / Q000502:physiology*; D002940:Circadian Rhythm; D005638:Fruit; D006801:Humans; D009622:Noise; D012472:Salivation