Humans Can Discriminate More than 1 Trillion Olfactory Stimuli-Reference-Cited by-同舟云学术

Humans Can Discriminate More than 1 Trillion Olfactory Stimuli

Published:2014-03-21 Issue:6177 Volume:343 Page:1370-1372
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Bushdid C.¹,Magnasco M. O.²,Vosshall L. B.¹³,Keller A.¹

Affiliation:

1. Laboratory of Neurogenetics and Behavior, The Rockefeller University, 1230 York Avenue, Box 63, New York, NY 10065, USA.

2. Laboratory of Mathematical Physics, The Rockefeller University, 1230 York Avenue, Box 212, New York, NY 10065, USA.

3. Howard Hughes Medical Institute, 1230 York Avenue, Post Office Box 63, New York, NY 10065, USA.

Abstract

All the Smells of the World How many odorant stimuli can a normal human being discriminate? During psychophysical tests of odor mixture discrimination, Bushdid et al. (p. 1370 ) were surprised to find that humans can discriminate among more than a trillion different smells. Because the authors reduced the complexity by investigating only mixtures of 10, 20, or 30 components drawn from a collection of 128 odorous molecules, this astonishingly large number is probably the lower limit of the potential number of olfactory stimuli that humans can distinguish.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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