Localized Neuron Stimulation with Organic Electrochemical Transistors on Delaminating Depth Probes.

Williamson, Adam; Ferro, Marc; Leleux, Pierre; Ismailova, Esma; Kaszas, Attila; Doublet, Thomas; Quilichini, Pascale; Rivnay, Jonathan et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

Organic electrochemical transistors are integrated on depth probes to achieve localized electrical stimulation of neurons. The probes feature a mechanical delamination process which leaves only a 4 μm thick film with embedded transistors inside the brain. This considerably reduces probe invasiveness and correspondingly improves future brain-machine interfaces.