A Closed-Loop Optogenetic Platform

Neuromodulation is an established treatment for numerous neurological conditions, but to expand the therapeutic scope there is a need to improve the spatial, temporal and cell-type specificity of stimulation. Optogenetics is a promising area of current research, enabling optical stimulation of genet...

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Main Authors: Dimitrios Firfilionis, Frances Hutchings, Reza Tamadoni, Darren Walsh, Mark Turnbull, Enrique Escobedo-Cousin, Richard G. Bailey, Johannes Gausden, Aaliyah Patel, Dorian Haci, Yan Liu, Fiona E. N. LeBeau, Andrew Trevelyan, Timothy G. Constandinou, Anthony O'Neill, Marcus Kaiser, Patrick Degenaar, Andrew Jackson
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-09-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnins.2021.718311/full
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author Dimitrios Firfilionis
Frances Hutchings
Reza Tamadoni
Darren Walsh
Mark Turnbull
Enrique Escobedo-Cousin
Richard G. Bailey
Johannes Gausden
Aaliyah Patel
Dorian Haci
Yan Liu
Yan Liu
Fiona E. N. LeBeau
Andrew Trevelyan
Timothy G. Constandinou
Timothy G. Constandinou
Anthony O'Neill
Marcus Kaiser
Marcus Kaiser
Marcus Kaiser
Patrick Degenaar
Andrew Jackson
author_facet Dimitrios Firfilionis
Frances Hutchings
Reza Tamadoni
Darren Walsh
Mark Turnbull
Enrique Escobedo-Cousin
Richard G. Bailey
Johannes Gausden
Aaliyah Patel
Dorian Haci
Yan Liu
Yan Liu
Fiona E. N. LeBeau
Andrew Trevelyan
Timothy G. Constandinou
Timothy G. Constandinou
Anthony O'Neill
Marcus Kaiser
Marcus Kaiser
Marcus Kaiser
Patrick Degenaar
Andrew Jackson
author_sort Dimitrios Firfilionis
collection DOAJ
description Neuromodulation is an established treatment for numerous neurological conditions, but to expand the therapeutic scope there is a need to improve the spatial, temporal and cell-type specificity of stimulation. Optogenetics is a promising area of current research, enabling optical stimulation of genetically-defined cell types without interfering with concurrent electrical recording for closed-loop control of neural activity. We are developing an open-source system to provide a platform for closed-loop optogenetic neuromodulation, incorporating custom integrated circuitry for recording and stimulation, real-time closed-loop algorithms running on a microcontroller and experimental control via a PC interface. We include commercial components to validate performance, with the ultimate aim of translating this approach to humans. In the meantime our system is flexible and expandable for use in a variety of preclinical neuroscientific applications. The platform consists of a Controlling Abnormal Network Dynamics using Optogenetics (CANDO) Control System (CS) that interfaces with up to four CANDO headstages responsible for electrical recording and optical stimulation through custom CANDO LED optrodes. Control of the hardware, inbuilt algorithms and data acquisition is enabled via the CANDO GUI (Graphical User Interface). Here we describe the design and implementation of this system, and demonstrate how it can be used to modulate neuronal oscillations in vitro and in vivo.
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spelling doaj.art-54a1aa74b23b437eb610dea17c6814362022-12-21T20:03:12ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2021-09-011510.3389/fnins.2021.718311718311A Closed-Loop Optogenetic PlatformDimitrios Firfilionis0Frances Hutchings1Reza Tamadoni2Darren Walsh3Mark Turnbull4Enrique Escobedo-Cousin5Richard G. Bailey6Johannes Gausden7Aaliyah Patel8Dorian Haci9Yan Liu10Yan Liu11Fiona E. N. LeBeau12Andrew Trevelyan13Timothy G. Constandinou14Timothy G. Constandinou15Anthony O'Neill16Marcus Kaiser17Marcus Kaiser18Marcus Kaiser19Patrick Degenaar20Andrew Jackson21Neuroprosthesis Lab, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomDigital Institute, Newcastle University, Newcastle upon Tyne, United KingdomNeuroprosthesis Lab, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomBiosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United KingdomBiosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United KingdomEmerging Technologies and Materials Group, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomEmerging Technologies and Materials Group, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomEmerging Technologies and Materials Group, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomEmerging Technologies and Materials Group, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomDepartment of Electrical and Electronic Engineering, Imperial College London, London, United KingdomDepartment of Electrical and Electronic Engineering, Imperial College London, London, United KingdomDepartment of Micro-Nano Electronics, Shanghai Jiaotong University, Shanghai, ChinaBiosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United KingdomBiosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United KingdomDepartment of Electrical and Electronic Engineering, Imperial College London, London, United KingdomCare Research and Technology Centre, UK Dementia Research Institute, London, United KingdomEmerging Technologies and Materials Group, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomSchool of Computing, Newcastle University, Newcastle upon Tyne, United KingdomSchool of Medicine, University of Nottingham, Nottingham, United Kingdom0Rui Jin Hospital, Shanghai Jiao Tong University, Shanghai, ChinaNeuroprosthesis Lab, School of Engineering, Newcastle University, Newcastle upon Tyne, United KingdomBiosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United KingdomNeuromodulation is an established treatment for numerous neurological conditions, but to expand the therapeutic scope there is a need to improve the spatial, temporal and cell-type specificity of stimulation. Optogenetics is a promising area of current research, enabling optical stimulation of genetically-defined cell types without interfering with concurrent electrical recording for closed-loop control of neural activity. We are developing an open-source system to provide a platform for closed-loop optogenetic neuromodulation, incorporating custom integrated circuitry for recording and stimulation, real-time closed-loop algorithms running on a microcontroller and experimental control via a PC interface. We include commercial components to validate performance, with the ultimate aim of translating this approach to humans. In the meantime our system is flexible and expandable for use in a variety of preclinical neuroscientific applications. The platform consists of a Controlling Abnormal Network Dynamics using Optogenetics (CANDO) Control System (CS) that interfaces with up to four CANDO headstages responsible for electrical recording and optical stimulation through custom CANDO LED optrodes. Control of the hardware, inbuilt algorithms and data acquisition is enabled via the CANDO GUI (Graphical User Interface). Here we describe the design and implementation of this system, and demonstrate how it can be used to modulate neuronal oscillations in vitro and in vivo.https://www.frontiersin.org/articles/10.3389/fnins.2021.718311/fulloptogeneticsclosed-loopneuromodulationelectrophysiologyopen-source
spellingShingle Dimitrios Firfilionis
Frances Hutchings
Reza Tamadoni
Darren Walsh
Mark Turnbull
Enrique Escobedo-Cousin
Richard G. Bailey
Johannes Gausden
Aaliyah Patel
Dorian Haci
Yan Liu
Yan Liu
Fiona E. N. LeBeau
Andrew Trevelyan
Timothy G. Constandinou
Timothy G. Constandinou
Anthony O'Neill
Marcus Kaiser
Marcus Kaiser
Marcus Kaiser
Patrick Degenaar
Andrew Jackson
A Closed-Loop Optogenetic Platform
Frontiers in Neuroscience
optogenetics
closed-loop
neuromodulation
electrophysiology
open-source
title A Closed-Loop Optogenetic Platform
title_full A Closed-Loop Optogenetic Platform
title_fullStr A Closed-Loop Optogenetic Platform
title_full_unstemmed A Closed-Loop Optogenetic Platform
title_short A Closed-Loop Optogenetic Platform
title_sort closed loop optogenetic platform
topic optogenetics
closed-loop
neuromodulation
electrophysiology
open-source
url https://www.frontiersin.org/articles/10.3389/fnins.2021.718311/full
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