Is becoming mainstream delirium. =)))))))))))))))))))

On Thursday 3 October 2024 at 21:45:24 UTC+3 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
>
>
>
>

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