Tags

Type your tag names separated by a space and hit enter

A new method for comparing orthonasal and retronasal olfaction.
Behav Neurosci. 2004 Apr; 118(2):412-9.BN

Abstract

Odors seem to be perceived differently when presented ortho- or retronasally. In this study, stimuli of controlled concentration and duration were applied in either the anterior nasal cavity or epipharynx by means of air-dilution olfactometry. Stimulus concentration was monitored in the olfactory cleft. In Experiment 1, odor thresholds to a food (chocolate) and a nonfood (lavender) odor were lower for orthonasal, compared with retronasal, stimulation. In Experiment 2, intensity ratings to suprathreshold odor concentrations were significantly higher for orthonasal than for retronasal stimulation with hydro- hydrogen sulfide, but not phenyl ethyl alcohol. Accordingly, amplitudes and latencies of olfactory event-related gen potentials to retronasal stimuli were found to be smaller and prolonged, respectively. This indicates differential processing of olfactory stimuli presented through the retronasal or orthonasal routes.)

Authors+Show Affiliations

Heilmann S
Smell and Taste Clinic, Department of Otorhinolaryngology, University of Dresden Medical School, Dresden, Germany.
Hummel T
No affiliation info available

MeSH

AdultElectrophysiologyFemaleHumansMaleNasal CavityOdorantsSmell

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15113268

Citation

Heilmann, Stefan, and Thomas Hummel. "A New Method for Comparing Orthonasal and Retronasal Olfaction." Behavioral Neuroscience, vol. 118, no. 2, 2004, pp. 412-9.
Heilmann S, Hummel T. A new method for comparing orthonasal and retronasal olfaction. Behav Neurosci. 2004;118(2):412-9.
Heilmann, S., & Hummel, T. (2004). A new method for comparing orthonasal and retronasal olfaction. Behavioral Neuroscience, 118(2), 412-9.
Heilmann S, Hummel T. A New Method for Comparing Orthonasal and Retronasal Olfaction. Behav Neurosci. 2004;118(2):412-9. PubMed PMID: 15113268.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A new method for comparing orthonasal and retronasal olfaction. AU - Heilmann,Stefan, AU - Hummel,Thomas, PY - 2004/4/29/pubmed PY - 2004/8/13/medline PY - 2004/4/29/entrez SP - 412 EP - 9 JF - Behavioral neuroscience JO - Behav Neurosci VL - 118 IS - 2 N2 - Odors seem to be perceived differently when presented ortho- or retronasally. In this study, stimuli of controlled concentration and duration were applied in either the anterior nasal cavity or epipharynx by means of air-dilution olfactometry. Stimulus concentration was monitored in the olfactory cleft. In Experiment 1, odor thresholds to a food (chocolate) and a nonfood (lavender) odor were lower for orthonasal, compared with retronasal, stimulation. In Experiment 2, intensity ratings to suprathreshold odor concentrations were significantly higher for orthonasal than for retronasal stimulation with hydro- hydrogen sulfide, but not phenyl ethyl alcohol. Accordingly, amplitudes and latencies of olfactory event-related gen potentials to retronasal stimuli were found to be smaller and prolonged, respectively. This indicates differential processing of olfactory stimuli presented through the retronasal or orthonasal routes.) SN - 0735-7044 UR - https://www.unboundmedicine.com/medline/citation/15113268/A_new_method_for_comparing_orthonasal_and_retronasal_olfaction_ DB - PRIME DP - Unbound Medicine ER -