A Rose By Any Other Name…

My professional colleagues know that I follow all developments in the field of psychophysics, especially vision and olfaction. We have a pretty good handle on vision. But olfaction is still a very uncertain field, as this latest paper disputing another recent paper shows. One paper says we can discriminate one trillion different odors. The recent paper shows that the original data and mathmatical technique shows that instead it could be as low as 5,000 odors, which was what most researchers had estimated before the 2014 paper. Science, a brutal contact sport !!!

https://asunews.asu.edu/20150707-gerkin-sense-of-smell

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