Abstract
The Strongin-Hinsie Peck whole-mouth salivation measure (Peck, 1959) is typically collected for a 2-min duration. This study compared saliva collected for 120 sec with saliva collected for shorter durations (30 and 60 sec) over repeated presentation of gustatory cues. Results showed reliable increases in salivation from a water stimulus baseline to the first presentation of lemon juice as a function of measurement duration. Repeated measures analysis of variance showed overall decreases in salivation across each measurement duration, with a greater rate of habituation for the 120-sec interval than for the 30- and 60-sec intervals. These data suggest that shorter measurement intervals can be used to measure salivation in acute and repeated measurement paradigms, but the change in response to repeated stimulus presentations is more pronounced for the longer measurement duration.
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