The next step is always to find a girlfriend and enjoy life. On Friday 4 October 2024 at 04:51:11 UTC+3 Brent Meeker wrote:
> I would think the next step would be to upload the simulated neurosphere > of a fly, so as to see that its brain can "see" and "react" in a simulated > world. Can an artificial fly be far behind? > > Brent > > > > On 10/3/2024 11:44 AM, John Clark wrote: > > *A fly has been uploaded. That's the takeaway I got after reading an > article in yesterday's issue of the journal Nature. Apparently Sebastian > Seung, a leader of the project, had a similar thought because he is quoted > as saying: * > > *“Mind uploading has been science fiction, but now mind uploading — for a > fly, at least — is becoming mainstream science.”* > > *They put the brain of an adult fly in a bath of liquid plastic which soon > hardened into a solid block. Then they sliced the entire brain into 7,050 > super thin slices and took 21 million high resolution pictures of it. Then > they wrote a computer program that could look at all those pictures and > trace which neuron was connected to which; from that they were able to > conclude that the fly brain had 139,255 neurons and 50 million connections. > Pretty impressive considering that previously the best neuronal map was > that of a worm that only had 385 neurons, but that's not even the best > part. They used the information about how those 139,255 neurons were wired > up to make a simulated fly brain on a computer, and they obtained typical > fly behavior! Sebastian Seung said:* > > *"We show that activation of sugar-sensing or water-sensing gustatory > neurons in the computational model accurately predicts neurons that respond > to tastes and are required for feeding initiation. In addition, using the > model to activate neurons in the feeding region of the Drosophila brain > predicts those that elicit motor neuron firing. Our results demonstrate > that modelling brain circuits using only synapse-level connectivity and > predicted neurotransmitter identity generates experimentally testable > hypotheses and can describe complete sensorimotor transformations."* > > *The researchers say their next target is uploading a mouse brain which > has about 1000 times more neurons than a fly brain. * > > *A Drosophila computational brain model reveals sensorimotor processing* > <https://www.nature.com/articles/s41586-024-07763-9.pdf> > > John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis> > vo3 > > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAJPayv0cq_b1%3DxapUvBN7DUtaCQELWAvNmMAL9k16w1HZ2qK%3DQ%40mail.gmail.com > > <https://groups.google.com/d/msgid/everything-list/CAJPayv0cq_b1%3DxapUvBN7DUtaCQELWAvNmMAL9k16w1HZ2qK%3DQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/0f99d3df-b94c-4424-8e72-340f5aa2613dn%40googlegroups.com.
