The Journal of General Physiology
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The Journal of General Physiology, Vol 65, 179-205, Copyright © 1975 by The Rockefeller University Press

ARTICLES

Olfactory receptor responses to sex pheromone components in the redbanded leafroller moth

RJ O'Connell

Electrical responses of single olfactory receptor neurons of the male redbanded leafroller moth were elicited by each of the principle components of the sex pheromone and six other behaviorally active compounds. Response frequencies to equal intensities of each of these compounds and changes in response frequency with increasing amounts of any one compound, varied from receptor to receptor. These differences in response characteristics appear to be due to factors intrinsic to the olfactory recptor neuron and not to factors external to it. The encoding of odor quality by these receptor neurons cannot be in the simple presence or absence of activity in any one of them. Rather, odor quality may be encoded by the pattern of activity which invariably arises across an ensemble of receptor neurons, each having its own distribution of sensitivities.
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R. J. O'CONNELL, A. J. GRANT, M. S. MAYER, and R. W. MANKIN
Morphological Correlates of Differences in Pheromone Sensitivity in Insect Sensilla
Science, June 24, 1983; 220(4604): 1408 - 1410.
[Abstract] [PDF]


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