supplemental material
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Supplementary figure 1. In vivo extracellular recording reveals that most mitral cells respond to only a single component in an effective mixture. The whole mixture 3 and a single component of that mixture - ethyl tiglate - reliably evoke suprathreshold responses. The other five components fail to evoke any responses. The strength of suprathreshold activity evoked by ethyl tiglate in isolation is similar to that induced by the whole mixture 3. The upper panel shows the extracellular recording trace and respiration activity trace. The black bar represents the 2s odor presentation. The number of stimulus presentations is given in parentheses. The lower panel shows the raster plots and post-stimulus histogram.