Active Inference for Adaptive BCI: application to the P300 Speller

05/22/2018

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by   Jelena Mladenovic, et al.

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Adaptive Brain-Computer interfaces (BCIs) have shown to improve performance, however a general and flexible framework to implement adaptive features is still lacking. We appeal to a generic Bayesian approach, called Active Inference (AI), to infer user's intentions or states and act in a way that optimizes performance. In realistic P300-speller simulations, AI outperforms traditional algorithms with an increase in bit rate between 18 offering a possibility of unifying various adaptive implementations within one generic framework.