A transformer-based decoder model trained jointly across six intracortical speech BCI participants reveals how to pool intracortical data across people to yield more accurate, generalizable, and rapidly-deployable decoding models.
By aligning patient-specific neural data to a shared latent space, it is shown that speech BCIs can be trained on data combined across patients, enabling cross-patient speech BCIs and support future speech BCIs that are more accurate and rapidly deployable.
Z. Spalding, S. Duraivel, S. Rahimpour et al.· Nature Communications· 0 citations
It is demonstrated for the first time crossing the intelligibility threshold necessary for clinically viable brain-to-voice BCIs for people with paralysis, and brain2voice 2.0 demonstrates that highly intelligible real-time voice synthesis from neural signals is achievable.
M. Wairagkar, Aparna Srinivasan, N. Card et al.· bioRxiv· 0 citations
State-of-the-art intracortical brain-to-text systems pair a neural-sequence phone decoder with an external language model. Two design axes remain underexplored: whether selective state-space models (Mamba) improve on recurrent decoders, and how the output target (phonetic vs.\ character) interacts with that choice. On...
Lucas Zamora Vera, Jose A. Gonzalez-Lopez· arXiv.org· 0 citations
Non-invasive decoding of inner speech faces a fundamental data problem: a corpus pairing brain activity with a person's spontaneous inner monologue cannot be collected, and the available proxy paradigms (cued repetitive and retrospectively reported generative inner speech) are slow to acquire, poorly time-locked, and s...
I. Marquardt, A. Alchanat, Priyanka Jain· 0 citations
The need to identify effective electrode positions and frequency domain features to design an Alternative and Augmentative Communication (AAC) device using imagined speech signals is demonstrated.
K. Vaishnavi, G. Sadasivam· Scientific Reports· 0 citations
In the temporal group, where comprehension was impaired, better envelope tracking at syllable rates may help build a stable representation of the speech stream supporting phonological and lexical analysis and comprehension.
Guangting Mai, Emily Upton, T. Griffiths et al.· Brain Communications· 0 citations
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