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Bruce P. Halpern

S.L. Sage Professor, Emeritus

241 Uris Hall
Cornell University
Ithaca, NY 14853

Phone: (607) 255-6433
Fax: (607) 255-8433
Email: bph1@cornell.edu

Research Interests

My research is primarily in sensory systems, studying chemosensory functions and behaviors. THE 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]). 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. Present research is "EFFECTS OF RETRONASAL SMELLING, VARIETY AND CHOICE ON APPETITE AND SATIETY", funded by NASA, with Professor Jean Hunter, BEE, as PI.

Recent Publications

High-resolution time-intensity tracking of sustained human orthonasal and retronasal smelling during natural breathing. Lee, J. and Halpern, B. P. Chemosensory Perception 6: 20-35, 2013. doi: 10.1007/s12078-012-9136-6.

Shared retronasal Identifications of vapor-phase 18-carbon fatty acids. Chukir, T., Darlington R. B., Halpern, B. P. Chemical Senses, 38 (4) 343-353, 2013 . doi: 10.1093/chemse/bjt005

Assessment of low-density polyethylene squeeze bottles in delivering wine vapor-phase stimuli: A preliminary study. Hollis, F. and Halpern, B. P. Journal of Sensory Studies, 27 (5): 414-323, 2012. doi: 10.1111/j.1745-459X.2012.00395.x

Oral-cavity discrimination of vapor-phase long-chain 18-carbon fatty acids. Wajid, N. A. and Halpern, B. P. Chemical Senses 37 (7): 595-602, 2012. doi: 10.1093/chemse/bjs041

Retronasal discrimination between vapor-phase long-chain, aliphatic fatty acids. Kallas, O. and Halpern, B. P. Chemosensory Perception, 4: 16-24, 2011. doi: 10.1007/s12078-011-9085-5

Orthonasal and retronasal but not oral-cavity-only discrimination of vapor-phase fatty acids. Bolton, B. and Halpern, B. P. Chemical Senses, 35 (3), 229-238, 2010. doi:10.1093/chemse/bjq002

No Oral-Cavity-Only Discrimination of Purely Olfactory Odorants. Stephenson, D. and Halpern, B. P. Chemical Senses, 34 (2), 121-126, 2009. doi: 10.1093/chemse/bjn063

Retronasal olfaction. Halpern, B. P. In: L. R. Squire, Editor-in-Chief, Sensory Systems. Chemical Senses. Encyclopedia of Neuroscience. Amsterdam: Elsevier Online, pp. 297-304, 2009. http://www.sciencedirect.com/science/referenceworks/9780080450469#ancpt1370

Retronasal and oral-cavity-only identification of air-phase trigeminal stimuli. Parikh V, Lee-Lim AP, Halpern BP. Chemosensory Perception, 2 (1), 9-24, 2009. doi: 10.1007/s12078-009-9038-4

Retronasal but not oral-cavity-only identification of "purely olfactory" odorants. Chen, V. and Halpern, B. P. Chemical Senses, 33, 107-118, 2008. doi: 10.1093/chemse/bjm069

An oral cavity component in retronasal smelling of natural extracts. Dragich, A. M. and Halpern, B. P. Physiology and Behavior, 93 (3), 521-528, 2008. doi: 10.1016/j.physbeh.2007.10.012

Mechanisms and consequences of retronasal smelling: computational fluid dynamic observations and psychophysical measures. Halpern, B. P. ChemoSense, 10 (3), 1-8, 2008. http://www.chemosensory.com/chemosense.htm

Identification of Air-Phase Retronasal and Orthonasal Odorant Pairs. Sun, B. C., and Halpern, B. P. Chemical Senses, 30, 1-14, 2005. doi:10.1093/chemse/bji062

Retronasal and orthonasal smelling. Halpern, B. P. ChemoSense, 6 (3), 1-7. 2004. http://www.chemosensory.com/chemosense.htm

When are oral cavity odorants available for retronasal olfaction? Halpern, B. P. In: K. D. Deibler and J. Delwiche, eds., Handbook of Flavor Characterization: Sensory analysis, Chemistry, and Physiology (pp. 51-63). New York: Marcel Dekker, 2004.

The effect of microgravity and space flight on the chemical senses. Olabi, A. A., Lawless, H. T., Hunter, J. B., Levitsky, D. A., and Halpern, B. P. Journal of Food Science, 67, 468-478, 2002.

Orthonasal and retronasal identification based upon vapor phase input from common substances. Pierce, J., and B. P. Halpern. Chemical Senses, 21, 529-543, 1996.

Wajid, N. A. and Halpern, B. P. (2012). Oral-Cavity Discrimination of Vapor-Phase Long-Chain 18-carbon Fatty Acids. Chemical Senses, Advanced access published March 29, 2012. doi: 10.1093/chemse/bjs041

Kallas, O. and Halpern, B. P. (2011). Retronasal discrimination between vapor-phase long-chain, aliphatic fatty acids. Chemosensory Perception, 4: 16-24. doi: 10.1007/s12078-011-9085-5

Bolton, B. and Halpern, B. P. (2010). Orthonasal and retronasal but not oral-cavity-only discrimination of vapor-phase fatty acids. Chemical Senses, 35 (3), 229-238. doi:10.1093/chemse/bjq002

Parikh, V., Lee-Lim, A. P,. and Halpern B. P. (2009). Retronasal and oral-cavity-only identification of air-phase trigeminal stimuli. Chemosensory Perception, 2 (1), 9-24.
DOI: 10.1007/s12078-009-9038-4

Stephenson, D. and Halpern, B. P. (2009). No oral-cavity-only discrimination of purely olfactory odorants. Chemical Senses, 34 (2), 121-126. DOI: 10.1093/chemse/bjn063  

Halpern, B. P. (2008). Retronasal olfaction. In: L. R. Squire, Editor-in-Chief, Sensory Systems. Chemical Senses. Olfaction. Encyclopedia of Neuroscience. Oxford: Academic Press (on-line), pp. 297-304.
http://www.sciencedirect.com/science?_ob=RefWorkIndexURL&_idxType=SC&_cdi=5
9351&_refWorkId=5098&_explode=6910000129,6910000131&_alpha=&_acct=C00005
0221&_version=1&_userid=10&md5=4d4fc3d847b88edab971c49f9f8e3fea&refID=691
0000131#6910000131

Halpern, B. P. (2008). Mechanisms and consequences of retronasal smelling: computational fluid dynamic observations and psychophysical measures. ChemoSense, 10 (3), 1-8. 
http://www.chemosensory.com/chemosense.htm

Dragich, A. M. and Halpern, B. P. (2008). An oral cavity component in retronasal smelling of natural extracts. Physiology and Behavior, 93 (3), 521-528. DOI: 10.1016/j.physbeh.2007.10.012. 

Chen, V. and Halpern, B. P. (2008). Retronasal but not oral-cavity-only identification of "purely olfactory" odorants. Chemical Senses, 33, 107-108. DOI:10.1093/chemse/bjm069

Sun, B. C., and Halpern, B. P. (2005). Identification of Air-Phase Retronasal and Orthonasal OdorantPairs. Chemical Senses, 30, 1-14. DOI: 10.1093/chemse/bji062

Halpern, B. P. (2004). Retronasal and orthonasal smelling. ChemoSense, 6 (3),
1-7.
http://www.chemosensory.com/chemosense.htm

Halpern, B. P. (2004). When are oral cavity odorants available for retronasal olfaction? In: K. D. Deibler and J. Delwiche, (eds.), Handbook of Flavor Characterization: Sensory, Analysis, Chemistry, and Physiology (pp. 51-63). New York: Marcel Dekker.

Olabi, A. A., Lawless, H. T., Hunter, J. B., Levitsky, D. A., and Halpern, B. P. (2002). The effect of microgravity and space flight on the chemical senses. Journal of Food Science, 67, 468-478.

Halpern, B.P. (2002). Taste. In: H. Pashler (Ser. Ed.) & S. Yantis (Vol. Ed.), Stevens' handbook of experimental psychology: Vol. 1. Sensation and perception (3rd ed., pp. 653-90). Wiley, NY.