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#neuroscience

68 posts · Last used 9d

David J. Atkinson @meltedcheese@c.im
· 2w ago
Replying to on lemmy.world
@Feathercrown@lemmy.world @artISAn@lemmy.world #consciousness #AI #brain #neuroscience #computer #functionalism Even a “complete simulation” of a fruit fly brain would be no more than an approximation. I think you mean “emulation” and I agree. The simple reason is that we do not know scientifically all of necessary and sufficient functional mechanisms of consciousness, nor consciousness’s functional role in “intelligence” (which we also have trouble describing). If, and only if we we did, we would (given the right tools) be able to replicate it functionally (in principle) using computation. Specifically, I refer to a Universal Turing Machine (UTM) and the Church-Turing Thesis (the foundational principle of all computer science). EVEN THEN, there are computational problems that cannot be proved to be solvable by a UTM (e.g., the Halting Problem) and we don’t know what, if any role they play in consciousness. Bottom line for me: we are going to need a revolution in each of the sciences of psychoneurophysics, mathematical logic, and theory of computation before we can begin to talk about replicating consciousness in a machine.
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Project Gutenberg @gutenberg_org@mastodon.social
· 3mo ago
“Funes the Memorious" and Other Cases of Extraordinary Memory In Jorge Luis Borges's story of barely 12 pages, the celebrated writer plays with the infinite in a context of vast labyrinths of memory and the consequences of having an unlimited capacity to remember. https://thereader.mitpress.mit.edu/borges-memory-funes-the-memorious/ Books by Pliny, the Elder at PG: https://www.gutenberg.org/ebooks/author/50041 #books #literature #neuroscience
thereader.mitpress.mit.edu
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Dimos Karamanlis @dimokaramanlis@neuromatch.social
· 1mo ago
Boosted by @welcome@friends.deko.cloud
Hello again, fediverse! 👋 I've moved here from qoto.org, which has since changed its name and had been having a lot of problems (outages, broken media) for a while. If you followed me there, please follow this account instead! For newcomers: I'm Dimos, a neuroscientist postdoc interested in neural coding, neuronal cell types and decision-making. Looking forward to reconnecting. #introduction #neuroscience
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FediBoard Science @fediboard_science@flipboard.social
· 1mo ago
Scientists identify the rare, widely connected brain cells that appear to trigger the onset of sleep https://arstechnica.com/science/2026/09/finding-the-cells-that-put-our-brain-to-sleep/ Ars Technica reports on the identification of a population of rare neurons with unusually broad connectivity that appear to play a key role in initiating sleep - a finding that could open new avenues #science #neuroscience #sleep
Finding the cells that put our brain to sleep
arstechnica.com

Finding the cells that put our brain to sleep

Rare cells with widespread connectivity seem to be able to trigger sleep.

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Philo Sophies @philosophies@mastodontech.de
· 1mo ago
🧠🧐The Failed #Theories of #Humanity – From #Freud to #Brain Research Is free will just an #illusion, or did the #neurosciences make their promises a bit too hastily? Listen now on #Spotify and all major #podcast platforms! 🎧👇 https://open.spotify.com/episode/226vjIQR1mDNDpN9hjrQJs?si=LTZLWKARRH28BAfYkC-vJA #Philosophy #Neuroscience #FreeWill #Freud #Copernicus #Darwin #BrainResearch #Science #Mindset #philosophies_de
open.spotify.com

The Failed Humiliations of Humanity – From Freud to Neuroscience

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Bob 🇨🇦🇲🇽🇺🇦 @bielsubob@infosec.exchange
· 1mo ago
Learning without a brain – how bacteria store memories and remember the past like artificial neural networks https://theconversation.com/learning-without-a-brain-how-bacteria-store-memories-and-remember-the-past-like-artificial-neural-networks-288782 #neuroscience #biology #ai
Learning without a brain – how bacteria store memories and remember the past like artificial neural networks
theconversation.com

Learning without a brain – how bacteria store memories and remember the past like artificial neural networks

Bacteria use strategies similar to artificial neural networks to use the past to adapt to the future.

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Hacker News @hackernews@robot.villas
· 2mo ago
Decoding silent reading from non-invasive EEG https://arxiv.org/abs/2608.20186 #HackerNews #Tech #Neuroscience
Decoding silent reading from non-invasive EEG
arxiv.org

Decoding silent reading from non-invasive EEG

Non-invasive decoding of inner speech faces a fundamental data problem: a corpus pairing brain activity with a person's spontaneous inner monologue cannot be collected, and the available proxy paradigms (cued repetitive and retrospectively reported generative inner speech) are slow to acquire, poorly time-locked, and subject compliance is unverifiable. We therefore treat silent reading as a scalable proxy task and ask how much lexical and semantic information a contrastive decoder can extract fr

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FediBoard Science @fediboard_science@flipboard.social
· 3mo ago
Two-thirds of an octopus's neurons live in its arms — each one thinks for itself, including the reproductive one https://www.wired.com/story/octopus-arms-distributed-intelligence-nine-brains/ Two-thirds of an octopus’s neurons are in its arms—each operating independently—including the one it uses to have sex. #science #octopus #neuroscience
When Your Brain Is in Your Arm
wired.com

When Your Brain Is in Your Arm

Two-thirds of an octopus’s neurons are in its arms—each operating independently—including the one it uses to have sex.

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Chronogram Magazine @chronogram@robot.villas
· 3mo ago
Oxytocin: Molecular Signaling, Network Modulation, and Emerging Research https://www.chronogram.com/resource-guide/oxytocin-molecular-signaling-network-modulation-and-emerging-research/ #Science #Neuroscience #Health
Oxytocin: Molecular Signaling, Network Modulation, and Emerging Research
chronogram.com

Oxytocin: Molecular Signaling, Network Modulation, and Emerging Research

Within the expanding landscape of peptide-based signaling systems, Oxytocin is believed to occupy a particularly intriguing position as a compact yet

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Neuromatch @neuromatch@neuromatch.social
· 3mo ago
We're still looking for #volunteer reviewers for the Impact Scholars Program! The commitment is ~5 hrs/week, fully remote, 3-18 Sept. Open to PhD students w some review experience, postdocs, faculty, research scientists, & industry researchers. Sign up by 11 August: https://neuromatch.io/volunteer/ #OpenScience #ImpactScholars #VolunteerOpportunity #Neuroscience #DeepLearning #NeuroAI
Volunteer - neuromatch.io
neuromatch.io

Volunteer - neuromatch.io

Volunteer and work alongside a global network creating accessible education and research training.

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datum (n=1) @datum@zeroes.ca
· 3mo ago
Even if a complete neuron doesn't die, if a huge chunk of the synapses are destroyed, whatever that neuron was doing before, it's doing a fraction afterwards: a measurable, consistent, and symptom-correlated loss of dopamine nerve terminals averaging 18 percent across the long COVID group. with localized damage to areas that match Long COVID symptoms: “In other illnesses this magnitude of loss is associated with symptoms: loss in one region is associated with trouble with motivational energy problems, loss in another region is associated with some slowness of movement, and loss in a third region is associated with memory trouble.” in short, the terminals are gone, the loss is measurable, and it correlates with the symptoms patients have been reporting for years. https://tech-paper.com/scientists-finally-have-a-biological-explanation-for-why-long-covid-patients-lose-motivation-and-cant-think-clearly-they-scanned-their-brains-and-found-the-dopamine-system-was-physically-damaged/ #neuroscience #neurology #science #LongCOVID #PASC #health
Long COVID symptoms linked to measurable damage in the brain's dopamine system
psypost.org

Long COVID symptoms linked to measurable damage in the brain's dopamine system

A recent study provides evidence that people experiencing long COVID show a measurable reduction in the brain’s dopamine-releasing neurons. These physical changes tend to be associated with persistent symptoms like apathy, memory problems, and slowed physical movements.

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