https://neuraspeak.com/Brain-computer interfaces, explained. Speech neuroprostheses, the companies building them, and a weekly digest.enhttps://neuraspeak.com/explainers/how-a-speech-neuroprosthesis-works/https://neuraspeak.com/explainers/how-a-speech-neuroprosthesis-works/A speech neuroprosthesis records the brain's speech motor signals and uses AI decoders to turn attempted speech into text or a synthesized voice.Wed, 07 Oct 2026 08:00:00 +0000https://neuraspeak.com/explainers/how-fast-can-bcis-decode-speech/https://neuraspeak.com/explainers/how-fast-can-bcis-decode-speech/Speech BCIs went from 15 words per minute in 2021 to 62–78 wpm in 2023 and near-real-time voice in 2025. Here are the verified benchmarks.Wed, 07 Oct 2026 08:00:00 +0000https://neuraspeak.com/explainers/invasive-vs-non-invasive-bci/https://neuraspeak.com/explainers/invasive-vs-non-invasive-bci/Implanted BCIs have restored fast, large-vocabulary speech in trials. Non-invasive EEG, MEG and fMRI avoid surgery but decode far less. A neutral comparison.Wed, 07 Oct 2026 08:00:00 +0000