The 3D model containing 140,000 neurons and over 50 million connections is a first step towards mapping larger brains.
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00:19The closer you look, the more surprised we as scientists are.
00:23For example, we know that they can walk and fly, and those are actually pretty complicated things.
00:29They also can learn and remember things, quite complicated forms of learning.
00:34They can navigate, so they have a sense of which direction they're going,
00:38and they can even keep track, if you turn the lights off, of their movements as they walk along towards some target direction.
00:46And they can also sing, and recognize their species-specific song the males sing to the females during courtship.
00:53So there's lots of quite sophisticated behaviors, and actually many more that probably we don't yet know about.
00:58Music
01:17There's a million-fold difference in neurons between the fly brain and the human brain.
01:24And in fact, the volume of the brains, which is quite important for imaging and image processing to generate these brain maps, is even a little bit bigger.
01:32So it's going to be a while.
01:35We, right now in the field, are focusing a lot on some slightly, you know, some brains sort of in between.
01:43So the zebrafish is a common vertebrate model system, and the mouse is definitely in people's minds.
01:49Music