Contact: Stefanie Merker
Caption: Each individual eye in the fly's compound eye perceives "on" and "off" contrast changes. This information is split up right behind each individual eye (blue arrow). The L1 cells only transmit information about "on" edges ("light on"), the L2 cells only about "off" edges ("light off") to the output cells (green).
Credit: Max Planck Institute of Neurobiology / Schorner
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