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  Field:    Food Science and Technology - Web

    Full list of Fields at the bottom of the page

Bruce P. Halpern
    (WEB PAGE)		bph1 @ cornell.edu
236 Uris Hall      607-255-6433		   [edit]

Faculty associated with: Bruce P. Halpern

Keywords: Aging (6), Olfaction (11)

My research is primarily in sensory systems, studying chemosensory functions and behaviors. MY LABORATORY'S FOCUS IS SMELL IN HUMANS. This research is designed to increase knowledge and understanding of retronasal smelling (smelling odorants that are located in the oral cavity) in relation to orthonasal smelling (smelling odorants that are located near the anterior nares [nostrils], typically outside the organism). The term "smelling" is used rather than "olfaction" because odorants can potentially access both the trigeminally-innervated nasal and oral mucosa and the olfactory mucosa of the nasal cavity during normal retronasal or orthonasal presentation of odorants. Subjects are asked to describe the odorants, match them for intensity, indicate their intensity, or distinguish between odorants and their solvents. These descriptions, intensity reports and discriminations are made either once for each odorant presentation or repeatedly during and after an odorant presentation (time-intensity or time-quality measures). Digital computers are used to provide instructions and acquire responses.

I'm also interested in AGING AND CHEMOSENSORY PERCEPTION. Human ability to detect or identify odorants often declines with age, but the rate of decline differs between odorants. These differential declines, coupled with lesser changes in tasting ability, can have profound effects on appreciation of flavor, enjoyment of food, quality of life, and, for odorants per se, responses to warning odorants.



Complete list of fields:

Please report corrections, questions, comments, and problems to: Lori Miller (lmm8 AT cornell.edu)