Our work on stable contrast processing is now out in eLife! Our work shows that a luminance gain leads to stable behavior in the ON pathway. This luminance gain is mediated by distinct first-order luminance-sensitive lamina interneurons L1 and L3 of the fly visual system. Contrary to our previous understanding, all lamina neurons give input to both ON and OFF pathways, redefining the input architecture to the fly visual system. The three lamina neurons L1, L2 and L3 distribute distinct contrast and luminance information to enable downstream computations such as motion vision
