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Combrisson E, Di Rienzo F, Saive AL, Perrone-Bertolotti M, Soto JLP, Kahane P, Lachaux JP, Guillot A, Jerbi K. Human local field potentials in motor and non-motor brain areas encode upcoming movement direction. Commun Biol 2024; 7:506. [PMID: 38678058 PMCID: PMC11055917 DOI: 10.1038/s42003-024-06151-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 04/05/2024] [Indexed: 04/29/2024] Open
Abstract
Limb movement direction can be inferred from local field potentials in motor cortex during movement execution. Yet, it remains unclear to what extent intended hand movements can be predicted from brain activity recorded during movement planning. Here, we set out to probe the directional-tuning of oscillatory features during motor planning and execution, using a machine learning framework on multi-site local field potentials (LFPs) in humans. We recorded intracranial EEG data from implanted epilepsy patients as they performed a four-direction delayed center-out motor task. Fronto-parietal LFP low-frequency power predicted hand-movement direction during planning while execution was largely mediated by higher frequency power and low-frequency phase in motor areas. By contrast, Phase-Amplitude Coupling showed uniform modulations across directions. Finally, multivariate classification led to an increase in overall decoding accuracy (>80%). The novel insights revealed here extend our understanding of the role of neural oscillations in encoding motor plans.
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Affiliation(s)
- Etienne Combrisson
- Psychology Department, University of Montreal, Montreal, QC, Canada.
- University of Lyon, UCBL-Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité UR 7424, F-69622, Villeurbanne, France.
- Institut de Neurosciences de la Timone, Aix Marseille Université, UMR 7289 CNRS, 13005, Marseille, France.
| | - Franck Di Rienzo
- University of Lyon, UCBL-Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité UR 7424, F-69622, Villeurbanne, France
| | - Anne-Lise Saive
- Psychology Department, University of Montreal, Montreal, QC, Canada
- Cognitive Science Department, Lyfe Research and Innovation Center, Ecully, France
| | | | - Juan L P Soto
- Telecommunications and Control Engineering Department, University of Sao Paulo, Sao Paulo, Brazil
| | - Philippe Kahane
- Université Grenoble Alpes, Inserm, U1216, CHU Grenoble Alpes, Grenoble Institut Neurosciences, GIN, Grenoble, France
| | - Jean-Philippe Lachaux
- Lyon Neuroscience Research Center, EDUWELL team, INSERM UMRS 1028, CNRS UMR 5292, Université Claude Bernard Lyon 1, Université de Lyon, F-69000, Lyon, France
| | - Aymeric Guillot
- University of Lyon, UCBL-Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité UR 7424, F-69622, Villeurbanne, France
| | - Karim Jerbi
- Psychology Department, University of Montreal, Montreal, QC, Canada.
- Mila (Quebec AI Institute), montreal, QC, Canada.
- UNIQUE Centre (Quebec Neuro-AI research Center), Montreal, QC, Canada.
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Li G, Jiang S, Meng J, Wu Z, Jiang H, Fan Z, Hu J, Sheng X, Zhang D, Schalk G, Chen L, Zhu X. Spatio-temporal evolution of human neural activity during visually cued hand movements. Cereb Cortex 2023; 33:9764-9777. [PMID: 37464883 DOI: 10.1093/cercor/bhad242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 07/20/2023] Open
Abstract
Making hand movements in response to visual cues is common in daily life. It has been well known that this process activates multiple areas in the brain, but how these neural activations progress across space and time remains largely unknown. Taking advantage of intracranial electroencephalographic (iEEG) recordings using depth and subdural electrodes from 36 human subjects using the same task, we applied single-trial and cross-trial analyses to high-frequency iEEG activity. The results show that the neural activation was widely distributed across the human brain both within and on the surface of the brain, and focused specifically on certain areas in the parietal, frontal, and occipital lobes, where parietal lobes present significant left lateralization on the activation. We also demonstrate temporal differences across these brain regions. Finally, we evaluated the degree to which the timing of activity within these regions was related to sensory or motor function. The findings of this study promote the understanding of task-related neural processing of the human brain, and may provide important insights for translational applications.
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Affiliation(s)
- Guangye Li
- Institute of Robotics, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shize Jiang
- Department of Neurosurgery of Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jianjun Meng
- Institute of Robotics, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zehan Wu
- Department of Neurosurgery of Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Haiteng Jiang
- Department of Neurobiology, Affiliated Mental Health Center & Hangzhou Seventh People's Hospital, Zhejiang University School of Medicine, Hangzhou 310013, China
- MOE Frontier Science Center for Brain Science & Brain-Machine Integration, Zhejiang University, Hangzhou 310058, China
| | - Zhen Fan
- Department of Neurosurgery of Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jie Hu
- Department of Neurosurgery of Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Xinjun Sheng
- Institute of Robotics, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dingguo Zhang
- Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, United Kingdom
| | - Gerwin Schalk
- Chen Frontier Lab for Applied Neurotechnology, Tianqiao and Chrissy Chen Institute, Shanghai 200052, China
- Department of Neurosurgery of Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Liang Chen
- Department of Neurosurgery of Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Xiangyang Zhu
- Institute of Robotics, Shanghai Jiao Tong University, Shanghai 200240, China
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Theta but not beta activity is modulated by freedom of choice during action selection. Sci Rep 2022; 12:9115. [PMID: 35650241 PMCID: PMC9160249 DOI: 10.1038/s41598-022-13318-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 05/16/2022] [Indexed: 11/08/2022] Open
Abstract
Large-scale neurophysiological markers of action competition have been almost exclusively investigated in the context of instructed choices, hence it remains unclear whether these markers also apply to free choices. This study aimed to compare the specific brain dynamics underlying instructed and free decisions. Electroencephalography (EEG) was recorded while 31 participants performed a target selection task; the choice relied either on stimulus-response mappings (instructed) or on participants' preferences (free). Choice difficulty was increased by introducing distractors in the informative stimulus in instructed choices, and by presenting targets with similar motor costs in free choices. Results revealed that increased decision difficulty was associated with higher reaction times (RTs) in instructed choices and greater choice uncertainty in free choices. Midfrontal EEG theta (4-8 Hz) power increased with difficulty in instructed choices, but not in free choices. Although sensorimotor beta (15-30 Hz) power was correlated with RTs, it was not significantly influenced by choice context or difficulty. These results suggest that midfrontal theta power may specifically increase with difficulty in externally-driven choices, whereas sensorimotor beta power may be predictive of RTs in both externally- and internally-driven choices.
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Shan L, Huang H, Zhang Z, Wang Y, Gu F, Lu M, Zhou W, Jiang Y, Dai J. Mapping the emergence of visual consciousness in the human brain via brain-wide intracranial electrophysiology. Innovation (N Y) 2022; 3:100243. [PMID: 35519511 PMCID: PMC9065914 DOI: 10.1016/j.xinn.2022.100243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 04/12/2022] [Indexed: 10/25/2022] Open
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Sadaghiani S, Brookes MJ, Baillet S. Connectomics of human electrophysiology. Neuroimage 2021; 247:118788. [PMID: 34906715 DOI: 10.1016/j.neuroimage.2021.118788] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 11/03/2021] [Accepted: 12/06/2021] [Indexed: 12/15/2022] Open
Abstract
We present both a scientific overview and conceptual positions concerning the challenges and assets of electrophysiological measurements in the search for the nature and functions of the human connectome. We discuss how the field has been inspired by findings and approaches from functional magnetic resonance imaging (fMRI) and informed by a small number of significant multimodal empirical studies, which show that the canonical networks that are commonplace in fMRI are in fact rooted in electrophysiological processes. This review is also an opportunity to produce a brief, up-to-date critical survey of current data modalities and analytical methods available for deriving both static and dynamic connectomes from electrophysiology. We review hurdles that challenge the significance and impact of current electrophysiology connectome research. We then encourage the field to take a leap of faith and embrace the wealth of electrophysiological signals, despite their apparent, disconcerting complexity. Our position is that electrophysiology connectomics is poised to inform testable mechanistic models of information integration in hierarchical brain networks, constructed from observable oscillatory and aperiodic signal components and their polyrhythmic interactions.
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Affiliation(s)
- Sepideh Sadaghiani
- Department of Psychology, University of Illinois, Urbana-Champaign, IL, United States; Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, IL, United States
| | - Matthew J Brookes
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG72RD, United Kingdom
| | - Sylvain Baillet
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
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