Coding properties of peak and average response rates in American cockroach olfactory sensory cells

Bio Systems
W M Getz, R P Akers

Abstract

The response of phasic neurons is often measured in terms of average spiking rates over arbitrarily selected time intervals. Averages taken over inappropriate intervals may severely reduce the information content of data, as we show here using response data from female American cockroach peripheral olfactory cells. We demonstrate that a 100-ms period around the peak response contains the best information for discriminating among odors at moderate to high concentrations. Further, the 100-ms post-peak response period contains the best information at low concentrations, as well as in situations where it is important to minimize errors in misidentifying the quality of an odor. Averaging the data over the full 0.5 s stimulus period degrades the odor separation qualities of the data.

References

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Citations

Sep 22, 2001·Bulletin of Mathematical Biology·P Lánský, W M Getz
May 21, 2013·Journal of the American Veterinary Medical Association·Timothy M DallJames W Gillula
Aug 7, 2002·Journal of Neurophysiology·Pascale GiraudetMichel Chaput

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