Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/60673
Type: Artigo de Periódico
Title: A Fully Adapted Headstage With Custom Electrode Arrays Designed for Electrophysiological Experiments
Authors: Flávio Afonso Gonçalves Mourão
Leonardo de Oliveira Guarnieri
Paulo Aparecido Amaral Júnior
Vinícius Rezende Carvalho
Eduardo Mazoni Andrade Marçal Mendes
Marcio Flavio Dutra Moraes
Abstract: Electrophysiological recordings lead amongst the techniques that aim to investigate the dynamics of neural activity sampled from large neural ensembles. However, the financial costs associated with the state-of-the-art technology used to manufacture probes and multi-channel recording systems make these experiments virtually inaccessible to small laboratories, especially if located in developing countries. Here, we describe a new method for implanting several tungsten electrode arrays, widely distributed over the brain. Moreover, we designed a headstage system, using the Intan® RHD2000 chipset, associated with a connector (replacing the expensive commercial Omnetics connector), that allows the usage of disposable and inexpensive cranial implants. Our results showed high-quality multichannel recording in freely moving animals (detecting local field, evoked responses and unit activities) and robust mechanical connections ensuring long-term continuous recordings. Our project represents an open source and inexpensive alternative to develop customized extracellular records from multiple brain regions.
Subject: Laboratórios
Eletrodos
Tungstenio
language: eng
metadata.dc.publisher.country: Brasil
Publisher: Universidade Federal de Minas Gerais
Publisher Initials: UFMG
metadata.dc.publisher.department: ENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
ENGENHARIA - ESCOLA DE ENGENHARIA
ICB - DEPARTAMENTO DE FISIOLOGIA E BIOFÍSICA
Rights: Acesso Aberto
metadata.dc.identifier.doi: https://doi.org/10.3389/fnins.2021.691788
URI: http://hdl.handle.net/1843/60673
Issue Date: 3-Mar-2022
metadata.dc.url.externa: https://www.frontiersin.org/articles/10.3389/fnins.2021.691788/full
metadata.dc.relation.ispartof: Frontiers in Neuroscience
Appears in Collections:Artigo de Periódico



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