CONSCIOUSNESS

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Controlling the brain with sound waves: how does it work? Well, to get straight to the science, the principle of non-invasive neuromodulation is to focus ultrasound waves into a region in the brain so that they all gather in a small spot. Then hopefully, given the right set of parameters, this can change the activity of the neurons. If you want to get rid of neurons that have gone wild, for example in epilepsy, then you might want to crank up the energy to essentially kill them. But if you want to selectively promote or block the neuronal activity, you need to fine-tune your ultrasound waves carefully. In other words, there’s a difference between ultrasound stimulation used for removing tissue, and ultrasound neuromodulation, which is aimed at controlling neuronal activity without damaging the tissue. Ultrasound neuromodulation is something that definitely works, but that we still don’t understand.

BREAKING: President Trump is set to announce billions of dollars in private sector investment to build artificial intelligence infrastructure in the U.S., OpenAI, Softbank and Oracle are planning a joint venture called Stargate — CBS

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