Assessment of pharyngeal sensitivity to mechanical stimuli using psychophysical and electrophysiological techniques

Thomas Hummel¹, Tobias Haenel, David Hull

¹Department of Otorhinolaryngology, University of Dresden Medical School, Fetscherstr. 74, Dresden, 01307, Germany. thummel@rcs.urz.tu-dresden.de

|July 9, 2002

Abstract:

The investigation was aimed to assess pharyngeal sensitivity by means of intensity ratings and event-related potentials (ERPs) to mechanical stimulation. Twenty healthy subjects participated (14 female, mean age 23.6 years). Both intensity ratings and ERP were obtained in response to three intensities of mechanical stimuli (air puffs) applied to the nasal cavity or the pharynx. Test-retest reliability was investigated for two sessions performed on different days. The study provided the following: (1) intensity ratings of nasal or pharyngeal stimuli increased with increasing stimulus intensity (P < 0.001); (2) they also exhibited a significant test-retest reliability (r

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Abstract:

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