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Human brain with an implanted chip.

Can Implanted Computer Chips Cure Depression?

Brain–computer interface (BCI) is promising for paralysis and prosthetics but raises concerns in the treatment of depression

Brain computer interface (BCI) shows promise in treating paralysis or enabling prosthetics to work almost naturally. But BCI for treating depression sounds like hype: Say goodbye to pills, therapy, and all that. With such gloomy prospects, it was only a matter of time scientists realized there must be better ways to treat depression rather than pills. After all, drugs only work because they act on certain brain regions to modulate the concentration of certain neurotransmitters, like serotonin or dopamine. Therefore, in the end, the regulation of mood depends on stimulating brain signals in certain parts of the brain — that is, neurons firing — and this can be done more accurately by just zapping the neurons directly with electricity. Diego…