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Don't put words in my mouth: Speech perception can generate False Positive activation of a speech BCI
A Schippers1, M J Vansteensel1, Z V Freudenburg1
1Department of Neurology and Neurosurgery, University Medical Center Utrecht Brain Center, Utrecht, The Netherlands.
Medrxiv : the Preprint Server for Health Sciences
|February 12, 2024
Summary
Brain-computer interfaces (BCIs) for speech decoding can misinterpret perceived speech as intended speech, leading to false positives. This interference from speech perception impacts BCI reliability and user adaptation.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Signal Processing
Background:
- Brain-computer interfaces (BCIs) show promise for communication by decoding speech from brain activity.
- The sensorimotor cortex (SMC), a common signal source for speech BCIs, is also active during speech perception, potentially causing BCI errors.
Conclusions:
- Speech perception poses a significant challenge to reliable speech BCI control.
- Future BCI designs must incorporate strategies to mitigate false positives from speech perception.
- Addressing these false positives is crucial for end-user adaptation and successful BCI implementation.
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