Optical Recording of Neuronal Activity in the Insect Central Nervous System: Odorant Coding by the Antennal Lobes of Honeybees

Voltage‐sensitive dyes and activity‐dependent intrinsic optical signals were used to study the spatio‐temporal activity in the antennal lobes of honeybees. The intrinsic signals are somewhat slower than the dye signals but show a 10‐fold larger intensity change. These intrinsic signals consist of at...

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