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NeurogastronomyHow the Brain Creates Flavor and Why It Matters$
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Gordon Shepherd

Print publication date: 2013

Print ISBN-13: 9780231159111

Published to Columbia Scholarship Online: November 2015

DOI: 10.7312/columbia/9780231159111.001.0001

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PRINTED FROM COLUMBIA SCHOLARSHIP ONLINE (www.columbia.universitypressscholarship.com). (c) Copyright University of Minnesota Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CUPSO for personal use.date: 19 September 2021

Dogs, Humans, and Retronasal Smell

Dogs, Humans, and Retronasal Smell

(p.19) Chapter Two Dogs, Humans, and Retronasal Smell

Gordon M. Shepherd

Columbia University Press

This chapter compares the human adaptation for smell with that of the dog. Dogs are adapted primarily for sniffing in smells of the environment, whereas humans are adapted primarily for sensing smell as the main feature of flavor. Thus the dog's nose is engineered mainly for orthonasal smell, and the human nose is engineered mainly for retronasal smell. The retronasal route for smells has delivered a richer repertoire of flavors in humans than in subhuman primates, dogs, and other mammals. On this basis, it is postulated that this system in the human brain played a much more important role in the evolution of early humans than has been realized, as well as a much more important role in our daily lives.

Keywords:   dogs, humans, sense of smell, retronasal smell, orthonasal smell, neurogastronomy

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