What's Actually Left to Solve in Brain-Computer Interfaces? A Practitioner Explains

CatAstro_Piyush · x · 2026-09-03

A BCI practitioner posted a long thread addressing the most common misconception in the field: 'isn't that already solved?' EEG has existed for a century and Neuralink is in people, yet the core problem remains unsolved — the thread breaks down what the real BCI challenge is, from signal quality and bandwidth to long-term implants and clinical deployment.

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