Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior
Summary: It is widely accepted that Beta-band oscillations play a role in sensorimotor behavior. To further explore this role, we developed a hybrid platform to combine neural operant conditioning and phase-specific intracortical microstimulation (ICMS). We trained monkeys, implanted with 96 electro...
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doaj-0940fa9158bb4115a138d40f60185eb52020-11-25T02:15:42ZengElsevierCell Reports2211-12472020-02-0130825552566.e3Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects BehaviorOren Peles0Uri Werner-Reiss1Hagai Bergman2Zvi Israel3Eilon Vaadia4Department of Medical Neurobiology, Institute of Medical Research-Israel Canada, The Hebrew University-Hadassah Medical School, Jerusalem 9112102, Israel; Edmond and Lily Safra Centre for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel; Corresponding authorDepartment of Medical Neurobiology, Institute of Medical Research-Israel Canada, The Hebrew University-Hadassah Medical School, Jerusalem 9112102, Israel; Edmond and Lily Safra Centre for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, IsraelDepartment of Medical Neurobiology, Institute of Medical Research-Israel Canada, The Hebrew University-Hadassah Medical School, Jerusalem 9112102, Israel; Edmond and Lily Safra Centre for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, IsraelDepartment of Neurosurgery, Hadassah University Hospital, Jerusalem 9112102, IsraelDepartment of Medical Neurobiology, Institute of Medical Research-Israel Canada, The Hebrew University-Hadassah Medical School, Jerusalem 9112102, Israel; Edmond and Lily Safra Centre for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, IsraelSummary: It is widely accepted that Beta-band oscillations play a role in sensorimotor behavior. To further explore this role, we developed a hybrid platform to combine neural operant conditioning and phase-specific intracortical microstimulation (ICMS). We trained monkeys, implanted with 96 electrode arrays in the motor cortex, to volitionally enhance local field potential (LFP) Beta-band (20–30 Hz) activity at selected sites using a brain-machine interface. We find that Beta oscillations of LFP and single-unit spiking activity increase dramatically with brain-machine interface training and that pre-movement Beta power is anti-correlated with task performance. We also find that phase-specific ICMS modulates the power and phase of oscillations, shifting local networks between oscillatory and non-oscillatory states. Furthermore, ICMS induces phase-dependent effects in animal reaction times and success rates. These findings contribute to unraveling the functional role of cortical oscillations and to the future development of clinical tools for ameliorating abnormal neuronal activities in brain disease. : Peles et al. show that motor cortex Beta oscillations can be differentially modulated by combined neural operant conditioning and phase-specific intracortical microstimulation. Successfully manipulating this frequency band paves the way to understanding its functional role and to development of clinical tools for treating brain diseases, including Parkinson’s and schizophrenia. Keywords: motor cortex, operant conditioning, brain-machine interface, microsimulation, Beta oscillations, local field potential, non-human primateshttp://www.sciencedirect.com/science/article/pii/S2211124720301595 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Oren Peles Uri Werner-Reiss Hagai Bergman Zvi Israel Eilon Vaadia |
spellingShingle |
Oren Peles Uri Werner-Reiss Hagai Bergman Zvi Israel Eilon Vaadia Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior Cell Reports |
author_facet |
Oren Peles Uri Werner-Reiss Hagai Bergman Zvi Israel Eilon Vaadia |
author_sort |
Oren Peles |
title |
Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior |
title_short |
Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior |
title_full |
Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior |
title_fullStr |
Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior |
title_full_unstemmed |
Phase-Specific Microstimulation Differentially Modulates Beta Oscillations and Affects Behavior |
title_sort |
phase-specific microstimulation differentially modulates beta oscillations and affects behavior |
publisher |
Elsevier |
series |
Cell Reports |
issn |
2211-1247 |
publishDate |
2020-02-01 |
description |
Summary: It is widely accepted that Beta-band oscillations play a role in sensorimotor behavior. To further explore this role, we developed a hybrid platform to combine neural operant conditioning and phase-specific intracortical microstimulation (ICMS). We trained monkeys, implanted with 96 electrode arrays in the motor cortex, to volitionally enhance local field potential (LFP) Beta-band (20–30 Hz) activity at selected sites using a brain-machine interface. We find that Beta oscillations of LFP and single-unit spiking activity increase dramatically with brain-machine interface training and that pre-movement Beta power is anti-correlated with task performance. We also find that phase-specific ICMS modulates the power and phase of oscillations, shifting local networks between oscillatory and non-oscillatory states. Furthermore, ICMS induces phase-dependent effects in animal reaction times and success rates. These findings contribute to unraveling the functional role of cortical oscillations and to the future development of clinical tools for ameliorating abnormal neuronal activities in brain disease. : Peles et al. show that motor cortex Beta oscillations can be differentially modulated by combined neural operant conditioning and phase-specific intracortical microstimulation. Successfully manipulating this frequency band paves the way to understanding its functional role and to development of clinical tools for treating brain diseases, including Parkinson’s and schizophrenia. Keywords: motor cortex, operant conditioning, brain-machine interface, microsimulation, Beta oscillations, local field potential, non-human primates |
url |
http://www.sciencedirect.com/science/article/pii/S2211124720301595 |
work_keys_str_mv |
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