Fly Bloom Filter (IMAGE) Proceedings of the National Academy of Sciences Caption The fly Bloom filter stores information about which odors have been recently experienced. This filter is used to generate an analog novelty signal for odors. MBON-α'3 is a mushroom body output neuron that computes novelty responses for odors. Credit Salk Institute for Biological Studies Usage Restrictions None License Licensed 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.