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Jagdish Chandra Bose & plant neurobiology
«From general electrical response of different parts of the plant, he proceeded to record responses from individual cells using microelectrode recording system devised by him. In those early years, prior to the 1920s, such microelectrode studies had not yet been initiated on single neurons in animals. On the basis of a large number of studies,…
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Invertebrate sentience: A review of the neuroscientific literature
Regarding invertebrate sentience «we might discover that, for a unit of objective time, some invertebrate’s experience of suffering lasts subjectively longer than a human’s experience would» Read more: https://www.animal-ethics.org/invertebrate-sentience-a-review-of-the-neuroscientific-literature/
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Some problems of the very intuitive evolutionary emergentist paradigm trying to explain consciousness from neurons
Some problems of the very intuitive evolutionary emergentist paradigm trying to explain consciousness from neurons, thanks to Andrés Gómez Emilsson and Chris Percy at Qualia Research Institute: The “Slicing Problem” is a thought experiment that raises questions for substrate-neutral computational theories of consciousness, particularly, in functionalist approaches. The thought experiment uses water-based logic gates to…
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Only mammals and birds are sentient, according to Nick Humphrey
Only mammals and birds are sentient, according to neuroscientist Nick Humphrey’s theory of consciousness, recently explained in “Sentience: The invention of consciousness”. In 2023, Nick Humphrey published his book Sentience: The invention of consciousness (S:TIOC). In this book he proposed a theory of consciousness that implies, he says, that only mammals and birds have any…
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Consciousness baffles me, but not the Hard Problem
Simply put, the Hard Problem asks the following question: how can the machinery of the brain (the neurons and synapses) produce consciousness — the colours that we see, for example, or the sounds that we hear? https://www.abc.net.au/news/2017-07-07/david-chalmers-and-the-puzzle-of-consciousness/8679884 «Consciousness baffles me, but not the Hard Problem. The Hard Problem arises only if one makes a metaphysical…
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LLM, DL and generative AI to represent metaphysical hypotheses and theories.
«I realized that DALL-E 3 enables me to illustrate metaphysical models. Here is an image of our evolved perceptual user interface parsing the physical world from basement reality’s much more complicated qualitative dynamics.» —Michael Spark Leer más: https://www.facebook.com/groups/Sentience.Research/posts/1462369867653527/
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Decapitation in Rats: Latency to Unconsciousness and the ‘Wave of Death’
The question whether decapitation is a humane method of euthanasia in awake animals is being debated. To gather arguments in this debate, obsolete rats were decapitated while recording the EEG, both of awake rats and of anesthetized rats. Following decapitation a fast and global loss of power of the EEG was observed; the power in…
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The Interface Theory of Perception by Donald D. Hoffman
A goal of perception is to estimate true properties of the world. A goal of categorization is to classify its structure. Aeons of evolution have shaped our senses to this end. These three assumptions motivate much work on human perception. I here argue, on evolutionary grounds, that all three are false. Instead, our perceptions constitute…
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Does every experience have some negative valence?
Roger Thisdell holds that every experience has some negative valence and that there are no experiences with a positive hedonic level. There is a point where you deconstruct perception to basic experiences by not feeding certain mental processes with your attention, they fade out. If I’m not paying attention to thought, the experience and comprehension…