{
  "id": 5353082,
  "title": "5 amazing visuals show how the male fruit fly’s brain map is advancing neuroscience",
  "url": "https://urgent.news/2026/09/03/5-amazing-visuals-show-how-the-male-fruit-flys-brain-map-is-advancing",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-03T15:05:00.000Z",
  "source": {
    "name": "Google Blog",
    "slug": "google-blog",
    "url": "https://blog.google/innovation-and-ai/technology/research/male-fruit-fly-brain-map/"
  },
  "original_language": "en",
  "account": "Researchers have achieved a monumental feat by creating a comprehensive map of the adult male fruit fly brain, revealing over 166,000 neurons. Utilizing artificial intelligence, scientists reconstructed these intricate neural connections to form a detailed 3D model of the fly's brain and central nervous system. This groundbreaking achievement, a collaborative effort between HHMI Janelia Research Campus, Google Research, and various collaborators, promises to be a cornerstone for neuroscience research for years to come.\n\nThe mapping process involved examining thin slices of fruit fly brains, imaging each slice, and then using computer algorithms and AI to amalgamate millions of 2D images into one cohesive 3D model. This method allows researchers to better comprehend how sensory input translates into movement and behavior, offering invaluable insights into brain function.\n\nThe fruit fly's brain, like humans, primarily utilizes organs located on its head for sensing, including two large compound eyes and a retractable proboscis for detecting smells and ingesting liquid food. Neurons in these sensory organs interpret external information and transmit signals to motor neurons that control movement. When viewed from above, the fly's prominent eyes and central brain are clearly discernible, connecting to the body via a thick nerve cord that governs behavior.\n\nThis new brain map, the first of its kind for a male fruit fly, builds upon the previously published complete map of the female fruit fly brain. The detailed visualization of the fly's neural landscape includes 11,691 types of neuron cells, categorized by size, shape, function, gene expression, or other factors. Most neurons are isomorphic between male and female fruit flies, but a minority are sex-specific or dimorphic, meaning they exist in both sexes but connect to different neighboring neurons.\n\nThe significance of this map lies in its ability to elucidate the visual-motor pathways of the male fruit fly brain. These pathways link visual neurons responsible for detecting the fly's environment to motor neurons that enable movement in response to stimuli. For example, the AOTU012 neurons, which play a role in processing sensory and taste inputs, exhibit varying connections in male and female fruit flies, with male-specific LoVP92 neurons involved in courtship behavior.\n\nThree accompanying studies, released alongside the brain map, apply this newfound knowledge to explore visual systems, taste perception, and social behavior in the male fruit fly. This groundbreaking project not only showcases the power of AI in advancing neuroscience but also highlights the potential for future studies on full vertebrate brains, as researchers continue to push the boundaries of connectomics.",
  "summary": "HHMI Janelia, Google and partners mapped the brain and central nervous system of a male fruit fly, a key model organism in science.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}