Second complete map of a fruit fly brain completed

Researchers from the Howard Hughes Medical Institute’s Janelia Research Campus and Google have successfully mapped every neuron in the brain of a male fruit fly. This comprehensive 'connectome' follows the earlier mapping of a female Drosophila brain, providing neurobiologists with a critical tool to study brain function. The project required a massive collaboration between biologists and computer scientists to process the hundreds of millions of synapses present in the tiny organ. By automating the interpretation of complex imaging data, the team has established a framework that could eventually be applied to more complex nervous systems, including those of vertebrates. Experts believe this achievement marks a significant milestone in neurobiology, offering a detailed blueprint that will accelerate research into how neural circuits govern behavior and cognitive processes in living organisms.