Rodent Sniffing a Shifting Odor 'plume' (image) Cold Spring Harbor Laboratory Share Print E-Mail Caption The investigators discovered that two types of neuronal processors found in the rat olfactory bulb solve the difficult problem of identifying fluctuating environmental odors (which travel in plumes, depicted here) through linear summation. It's an operation no less straightforward than the one a child uses to add or multiply numbers. Credit Albeanu Lab, CSHL Usage Restrictions please give credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.