Intelligence emerging from random polymer networks

A team of researchers assembled a sulfonated polyaniline (SPAN) organic electrochemical network device (OEND) for use in reservoir computing. SPAN was deposited on gold electrodes which formed a disordered network providing humidity-dependent electrical properties. The SPAN OEND was tested for reservoir computing using benchmark tasks and spoken-digit classification, which showed 70% accuracy. The device has the potential to be applied to a wide range of artificial intelligence tasks including speech recognition.

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