Abstract
Objectives
Our primary goal was to evaluate the effect of stimulus‐duration on electrogustometry (EGM) thresholds. Additionally, we sought to evaluate any sex‐related influences and compare the above results to those of taste strips.
Design
EGM‐ thresholds of various stimulus durations (0.5, 1.0, 1.5, and 2.0 s) were measured in 212 non‐smokers (age range: 10 – 80 years, divided into eight age groups) without self‐reported gustatory impairment. Furthermore, taste strips chemogustometry measurements in 132 participants were performed.
Setting
Tertiary referral medical centre.
Participants
212 non‐smokers, divided in eight age‐groups participated in the study.
Main outcome measures
EGM‐thresholds and taste strips, duration of EGM‐stimuli
Results
EGM‐thresholds increased progressively with age and with stimulus duration from 0.5 to 2 seconds. This pattern was consistent in all six anatomic areas, irrespective of sex. In contrast, when using chemogustometry, no age‐ or sex‐related differences were observed.
Conclusions
EGM threshold values increase progressively with age and with stimulus duration. Therefore, we recommend documenting stimulus duration in future EGM recordings as it may significantly affect EGM amplitude threshold values.
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