Olfactory receptor neuron pairing (IMAGE) University of California - San Diego Caption Researchers have shown that as flies encounter an odor signal, the specific pattern of interference between olfactory receptors helps flies quickly compute the “gist” of the odor’s meaning. Credit Palka Puri, UC San Diego Usage Restrictions Must be used in conjunction with PNAS paper on fly olfactory sensing. License Original content 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.