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Questions related to BCIs

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I wrote these questions in 2022, and I spent much of the next year trying to answer them. If you're curious about particular questions and want to know my answers, feel free to email me. What is a good 1st order electrical/sound model of the brain? How important is the diploe layer in scattering of ultrasound? What is a good model for the diploe layer? What is the difference between optics and sound in terms of wave propagation in the brain? Why is ultrasound attenuation lower compared to electromagnetic waves for a fixed frequency? Why are ultrasound power limits higher? Why is the signal from EEG no good? Why can magnetic fields penetrate the brain? What level of precision do humans have in their control of neurons? Can humans control a single neuron? To what extent can you control arbitrary subsets of neurons? What happens if you heat up or cool down the brain? One effect — though not sure how significant — is you’d change the probabilities of ion channels opening/closing. Apparentl

Questions related to BCIs Raffi Hotter Questions related to BCIs Dec 18, 2024 I wrote these questions in 2022, and I spent much of the next year trying to answer them. If you're curious about particular questions and want to know my answers, feel free to email me . What is a good 1st order electrical/sound model of the brain? Electric Fields of the Brain proposes a 4 concentric sphere model, with fixed dielectric constant and conductivity for each layer. How important is the diploe layer in scattering of ultrasound? What is a good model for the diploe layer? What is the difference between opti

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