Stimulus Driven Single Unit Activity From Micro-Electrocorticography.
action potential
birdsong
brain machine interface
electrocorticogram
neural interface
Journal
Frontiers in neuroscience
ISSN: 1662-4548
Titre abrégé: Front Neurosci
Pays: Switzerland
ID NLM: 101478481
Informations de publication
Date de publication:
2020
2020
Historique:
received:
02
09
2019
accepted:
14
01
2020
entrez:
18
3
2020
pubmed:
18
3
2020
medline:
18
3
2020
Statut:
epublish
Résumé
High-fidelity measurements of neural activity can enable advancements in our understanding of the neural basis of complex behaviors such as speech, audition, and language, and are critical for developing neural prostheses that address impairments to these abilities due to disease or injury. We develop a novel high resolution, thin-film micro-electrocorticography (micro-ECoG) array that enables high-fidelity surface measurements of neural activity from songbirds, a well-established animal model for studying speech behavior. With this device, we provide the first demonstration of sensory-evoked modulation of surface-recorded single unit responses. We establish that single unit activity is consistently sensed from micro-ECoG electrodes over the surface of sensorimotor nucleus HVC (used as a proper name) in anesthetized European starlings, and validate responses with correlated firing in single units recorded simultaneously at surface and depth. The results establish a platform for high-fidelity recording from the surface of subcortical structures that will accelerate neurophysiological studies, and development of novel electrode arrays and neural prostheses.
Identifiants
pubmed: 32180695
doi: 10.3389/fnins.2020.00055
pmc: PMC7059620
doi:
Types de publication
Journal Article
Langues
eng
Pagination
55Subventions
Organisme : NIDCD NIH HHS
ID : R01 DC018446
Pays : United States
Informations de copyright
Copyright © 2020 Hermiz, Hossain, Arneodo, Ganji, Rogers, Vahidi, Halgren, Gentner, Dayeh and Gilja.
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