Proceedings of nanoGe Spring Meeting 2022 (NSM22)
DOI: https://doi.org/10.29363/nanoge.nsm.2022.238
Publication date: 7th February 2022
A cornerstone of clinical management for many neurological disorders is recording and manipulating pathologic electrical brain signals. However, limitations in the types and resolution of neural activity that can be acquired continue to exist, and use of current neural interface devices often carries the risk of significant side effects. Here, we demonstrate the capacity for soft, organic electronics to facilitate large-scale recording and closed loop neuromodulation of brain signals. We are able to record high spatiotemporal resolution intracranial and scalp electroencephalography (EEG) from human subjects. We have innovated devices to acquire such signals from the developing rodent brain, tracking physiologic developmental trajectories and identifying networks involved in emergence of epileptic activity. We have leveraged this data to create fully implantable closed-loop devices that can suppress pathologic activity in epileptic networks. These applications of organic electronics highlight the potential of such materials and devices to benefit diagnosis and therapy of neurological disorders.
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