Scientists create the most detailed map of neuronal connections in mammals’ brain
American researchers have created the most detailed and extensive map of neural connections in a mammal brain, according to Nature Magazine.
Photo: standard and immunofluorescence fabric cultivation by Gerryshaw, https://creativecommons.org/licenses/by-sa/3.0/
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They focused on a section of the visual cortex of a genetically modified mouse whose neurons were the activity of duration.
For two hours, the researchers showed several videos to the mouse, including the clips of the movie The Matrix. Subsequently, they cut the target section of the brain into more than 25,000 layers, thinner than a human hair, and play about 100 million images of those fragments. Using artificial intelligence, they built a 3D map that shows more than 200,000 brain cells, including approximately 82,000 neurons and more than 500 million neuronal connections (synapses).
The team expects this innovative work to help scientists better understand how the contributions of synaptic dysfunction to Alzheimer’s disease, autism and other neuropsychiatric disorders.
