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Pigorini A, Avanzini P, Barborica A, Bénar CG, David O, Farisco M, Keller CJ, Manfridi A, Mikulan E, Paulk AC, Roehri N, Subramanian A, Vulliémoz S, Zelmann R. Simultaneous invasive and non-invasive recordings in humans: A novel Rosetta stone for deciphering brain activity. J Neurosci Methods 2024; 408:110160. [PMID: 38734149 DOI: 10.1016/j.jneumeth.2024.110160] [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: 12/18/2023] [Revised: 04/10/2024] [Accepted: 05/01/2024] [Indexed: 05/13/2024]
Abstract
Simultaneous noninvasive and invasive electrophysiological recordings provide a unique opportunity to achieve a comprehensive understanding of human brain activity, much like a Rosetta stone for human neuroscience. In this review we focus on the increasingly-used powerful combination of intracranial electroencephalography (iEEG) with scalp electroencephalography (EEG) or magnetoencephalography (MEG). We first provide practical insight on how to achieve these technically challenging recordings. We then provide examples from clinical research on how simultaneous recordings are advancing our understanding of epilepsy. This is followed by the illustration of how human neuroscience and methodological advances could benefit from these simultaneous recordings. We conclude with a call for open data sharing and collaboration, while ensuring neuroethical approaches and argue that only with a true collaborative approach the promises of simultaneous recordings will be fulfilled.
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Affiliation(s)
- Andrea Pigorini
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy; UOC Maxillo-facial Surgery and dentistry, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy.
| | - Pietro Avanzini
- Institute of Neuroscience, Consiglio Nazionale delle Ricerche, Parma, Italy
| | | | - Christian-G Bénar
- Aix Marseille Univ, Inserm, U1106, INS, Institut de Neurosciences des Systèmes, Marseille, France
| | - Olivier David
- Aix Marseille Univ, Inserm, U1106, INS, Institut de Neurosciences des Systèmes, Marseille, France
| | - Michele Farisco
- Centre for Research Ethics and Bioethics, Department of Public Health and Caring Sciences, Uppsala University, P.O. Box 256, Uppsala, SE 751 05, Sweden; Science and Society Unit Biogem, Biology and Molecular Genetics Institute, Via Camporeale snc, Ariano Irpino, AV 83031, Italy
| | - Corey J Keller
- Department of Psychiatry & Behavioral Sciences, Stanford University Medical Center, Stanford, CA 94305, USA; Wu Tsai Neurosciences Institute, Stanford University Medical Center, Stanford, CA 94305, USA; Veterans Affairs Palo Alto Healthcare System, and the Sierra Pacific Mental Illness, Research, Education, and Clinical Center (MIRECC), Palo Alto, CA 94394, USA
| | - Alfredo Manfridi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Ezequiel Mikulan
- Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Angelique C Paulk
- Department of Neurology and Center for Neurotechnology and Neurorecovery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Nicolas Roehri
- EEG and Epilepsy Unit, Dpt of Clinical Neurosciences, Geneva University Hospitals and University of Geneva, Switzerland
| | - Ajay Subramanian
- Department of Psychiatry & Behavioral Sciences, Stanford University Medical Center, Stanford, CA 94305, USA; Wu Tsai Neurosciences Institute, Stanford University Medical Center, Stanford, CA 94305, USA; Veterans Affairs Palo Alto Healthcare System, and the Sierra Pacific Mental Illness, Research, Education, and Clinical Center (MIRECC), Palo Alto, CA 94394, USA
| | - Serge Vulliémoz
- EEG and Epilepsy Unit, Dpt of Clinical Neurosciences, Geneva University Hospitals and University of Geneva, Switzerland
| | - Rina Zelmann
- Department of Neurology and Center for Neurotechnology and Neurorecovery, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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2
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Paolini S, Bazzini MC, Ferrari L, Errante A, Fogassi L, Rizzolatti G, Fabbri-Destro M, Avanzini P, Nuara A. The importance of observing the master's hand: Action Observation Training promotes the acquisition of new musical skills. Front Neurol 2024; 15:1383053. [PMID: 38872813 PMCID: PMC11169796 DOI: 10.3389/fneur.2024.1383053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/15/2024] [Indexed: 06/15/2024] Open
Abstract
Introduction Via mirror mechanism, motor training approaches based on the alternation of action observation and execution (i.e., Action Observation Training-AOT) promote the acquisition of motor abilities. Previous studies showed that both visual and auditory stimuli may elicit a common motor representation of music-related gestures; however, the potentialities of AOT for the acquisition of musical skills are still underexplored. Methods Twenty-one music-naïve participants underwent two blocks of training: AOT and Key-light Observation Training (KOT). AOT consisted of the observation of a melodic sequence played on a keyboard with the right hand by an expert model, followed by participant's imitation. Observation and execution were repeated six consecutive times (T1-T6). KOT followed the same procedure, except for the visual content of the stimulus, depicting the sequential highlighting of the piano keys corresponding to the melody. The rate of correct notes (C), the trainee-model similarity of key-pressure strength (S), and the trainee-model consistency of note duration (R) were collected across T1-T6. Results Both AOT and KOT improved musical performance. Noteworthy, AOT showed a higher learning magnitude relative to KOT in terms of C and S. Discussion Action Observation Training promotes the acquisition of key elements of melodic sequences, encompassing not only the accurate sequencing of notes but also their expressive characteristics, such as key-pressure dynamics. The convergence of listening and observation of actions onto a shared motor representation not only explains several pedagogical approaches applied in all musical cultures worldwide, but also enhances the potential efficacy of current procedures for music training.
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Affiliation(s)
- Simone Paolini
- Dipartimento di Medicina e Chirurgia, Università di Parma, Parma, Italy
- Consiglio Nazionale Delle Ricerche, Istituto di Neuroscienze, Parma, Italy
| | | | - Laura Ferrari
- Consiglio Nazionale Delle Ricerche, Istituto di Neuroscienze, Parma, Italy
- School of Advanced Studies, Center for Neuroscience, Università di Camerino, Camerino, Italy
| | - Antonino Errante
- Dipartimento di Medicina e Chirurgia, Università di Parma, Parma, Italy
- Dipartimento Diagnostico, Unità di Neuroradiologia, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
| | - Leonardo Fogassi
- Dipartimento di Medicina e Chirurgia, Università di Parma, Parma, Italy
| | - Giacomo Rizzolatti
- Dipartimento di Medicina e Chirurgia, Università di Parma, Parma, Italy
- Consiglio Nazionale Delle Ricerche, Istituto di Neuroscienze, Parma, Italy
| | | | - Pietro Avanzini
- Consiglio Nazionale Delle Ricerche, Istituto di Neuroscienze, Parma, Italy
| | - Arturo Nuara
- Dipartimento di Medicina e Chirurgia, Università di Parma, Parma, Italy
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3
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Pisanu E, Arbula S, Rumiati RI. Agreeableness modulates mental state decoding: Electrophysiological evidence. Hum Brain Mapp 2024; 45:e26593. [PMID: 38339901 PMCID: PMC10826893 DOI: 10.1002/hbm.26593] [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: 08/10/2023] [Revised: 12/27/2023] [Accepted: 01/02/2024] [Indexed: 02/12/2024] Open
Abstract
Agreeableness is one of the five personality traits which is associated with theory of mind (ToM) abilities. One of the critical processes involved in ToM is the decoding of emotional cues. In the present study, we investigated whether this process is modulated by agreeableness using electroencephalography (EEG) while taking into account task complexity and sex differences that are expected to moderate the relationship between emotional decoding and agreeableness. This approach allowed us to identify at which stage of the neural processing agreeableness kicks in, in order to distinguish the impact on early, perceptual processes from slower, inferential processing. Two tasks were employed and submitted to 62 participants during EEG recording: the reading the mind in the eyes (RME) task, requiring the decoding of complex mental states from eye expressions, and the biological (e)motion task, involving the perception of basic emotional actions through point-light body stimuli. Event-related potential (ERP) results showed a significant correlation between agreeableness and the contrast for emotional and non-emotional trials in a late time window only during the RME task. Specifically, higher levels of agreeableness were associated with a deeper neural processing of emotional versus non-emotional trials within the whole and male samples. In contrast, the modulation in females was negligible. The source analysis highlighted that this ERP-agreeableness association engages the ventromedial prefrontal cortex. Our findings expand previous research on personality and social processing and confirm that sex modulates this relationship.
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Affiliation(s)
| | | | - Raffaella Ida Rumiati
- Neuroscience Area, SISSATriesteItaly
- Dipartimento di Medicina dei SistemiUniversità degli Studi di Roma “Tor Vergata”RomeItaly
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4
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Friedrich EVC, Zillekens IC, Biel AL, O'Leary D, Singer J, Seegenschmiedt EV, Sauseng P, Schilbach L. Spatio-temporal dynamics of oscillatory brain activity during the observation of actions and interactions between point-light agents. Eur J Neurosci 2023; 57:657-679. [PMID: 36539944 DOI: 10.1111/ejn.15903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
Predicting actions from non-verbal cues and using them to optimise one's response behaviour (i.e. interpersonal predictive coding) is essential in everyday social interactions. We aimed to investigate the neural correlates of different cognitive processes evolving over time during interpersonal predictive coding. Thirty-nine participants watched two agents depicted by moving point-light stimuli while an electroencephalogram (EEG) was recorded. One well-recognizable agent performed either a 'communicative' or an 'individual' action. The second agent either was blended into a cluster of noise dots (i.e. present) or was entirely replaced by noise dots (i.e. absent), which participants had to differentiate. EEG amplitude and coherence analyses for theta, alpha and beta frequency bands revealed a dynamic pattern unfolding over time: Watching communicative actions was associated with enhanced coupling within medial anterior regions involved in social and mentalising processes and with dorsolateral prefrontal activation indicating a higher deployment of cognitive resources. Trying to detect the agent in the cluster of noise dots without having seen communicative cues was related to enhanced coupling in posterior regions for social perception and visual processing. Observing an expected outcome was modulated by motor system activation. Finally, when the agent was detected correctly, activation in posterior areas for visual processing of socially relevant features was increased. Taken together, our results demonstrate that it is crucial to consider the temporal dynamics of social interactions and of their neural correlates to better understand interpersonal predictive coding. This could lead to optimised treatment approaches for individuals with problems in social interactions.
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Affiliation(s)
- Elisabeth V C Friedrich
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Imme C Zillekens
- Independent Max Planck Research Group for Social Neuroscience, Max Planck Institute of Psychiatry, Munich, Germany.,International Max Planck Research School for Translational Psychiatry, Munich, Germany
| | - Anna Lena Biel
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-Universität München, Munich, Germany.,Department of Psychology, Research Unit Experimental Psychology, Münster University, Münster, Germany
| | - Dariusz O'Leary
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Johannes Singer
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-Universität München, Munich, Germany.,Department of Education and Psychology, Freie Universitat Berlin, Berlin, Germany
| | - Eva Victoria Seegenschmiedt
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Paul Sauseng
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Leonhard Schilbach
- Independent Max Planck Research Group for Social Neuroscience, Max Planck Institute of Psychiatry, Munich, Germany.,International Max Planck Research School for Translational Psychiatry, Munich, Germany.,Medical Faculty, Ludwig-Maximilians-Universität München, Munich, Germany
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5
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Del Vecchio M, De Marco D, Pigorini A, Fossataro C, Cassisi A, Avanzini P. Vision of haptics tunes the somatosensory threshold. Neurosci Lett 2022; 787:136823. [PMID: 35914589 DOI: 10.1016/j.neulet.2022.136823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 12/01/2022]
Abstract
The interaction between different sensory modalities represents a crucial issue in the neuroscience of consciousness: when the processing of one modality is deficient, the concomitant presentation of stimuli of other spared modalities may sustain the restoring of the damaged sensory functions. In this regard, visual enhancement of touch may represent a viable tool in the rehabilitation from tactile disorders, yet the specific visual features mostly modulating the somatosensory experience remain unsettled. In this study, healthy subjects underwent a tactile detection task during the observation of videos displaying different contents, including static gratings, meaningless motions, natural or point-lights reach-to-grasp-and-manipulate actions. Concurrently, near-threshold stimuli were delivered to the median nerve at different time-points. Subjective report was collected after each trial; the sensory detection rate was computed and compared across video conditions. Our results indicate that the specific presence of haptic contents (i.e., vision of manipulation), either fully displayed or implied by point-lights, magnifies tactile sensitivity. The notion that such stimuli prompt an aware tactile experience opens to novel rehabilitation approaches for tactile consciousness disorders.
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Affiliation(s)
- Maria Del Vecchio
- Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Parma 43125, Italy.
| | - Doriana De Marco
- Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Parma 43125, Italy
| | - Andrea Pigorini
- University of Milan, Dipartimento di Scienze Biomediche e Cliniche "L. Sacco", Milano 20157, Italy
| | - Carlotta Fossataro
- MANIBUS Laboratory, Dipartimento di Psicologia, Università di Torino, Torino 10124, Italy
| | - Annalisa Cassisi
- Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Parma 43125, Italy; University of Parma, Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parma 43124,Italy
| | - Pietro Avanzini
- Istituto di Neuroscienze, Consiglio Nazionale delle Ricerche, Parma 43125, Italy
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6
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Mercier MR, Dubarry AS, Tadel F, Avanzini P, Axmacher N, Cellier D, Vecchio MD, Hamilton LS, Hermes D, Kahana MJ, Knight RT, Llorens A, Megevand P, Melloni L, Miller KJ, Piai V, Puce A, Ramsey NF, Schwiedrzik CM, Smith SE, Stolk A, Swann NC, Vansteensel MJ, Voytek B, Wang L, Lachaux JP, Oostenveld R. Advances in human intracranial electroencephalography research, guidelines and good practices. Neuroimage 2022; 260:119438. [PMID: 35792291 DOI: 10.1016/j.neuroimage.2022.119438] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 05/23/2022] [Accepted: 06/30/2022] [Indexed: 12/11/2022] Open
Abstract
Since the second-half of the twentieth century, intracranial electroencephalography (iEEG), including both electrocorticography (ECoG) and stereo-electroencephalography (sEEG), has provided an intimate view into the human brain. At the interface between fundamental research and the clinic, iEEG provides both high temporal resolution and high spatial specificity but comes with constraints, such as the individual's tailored sparsity of electrode sampling. Over the years, researchers in neuroscience developed their practices to make the most of the iEEG approach. Here we offer a critical review of iEEG research practices in a didactic framework for newcomers, as well addressing issues encountered by proficient researchers. The scope is threefold: (i) review common practices in iEEG research, (ii) suggest potential guidelines for working with iEEG data and answer frequently asked questions based on the most widespread practices, and (iii) based on current neurophysiological knowledge and methodologies, pave the way to good practice standards in iEEG research. The organization of this paper follows the steps of iEEG data processing. The first section contextualizes iEEG data collection. The second section focuses on localization of intracranial electrodes. The third section highlights the main pre-processing steps. The fourth section presents iEEG signal analysis methods. The fifth section discusses statistical approaches. The sixth section draws some unique perspectives on iEEG research. Finally, to ensure a consistent nomenclature throughout the manuscript and to align with other guidelines, e.g., Brain Imaging Data Structure (BIDS) and the OHBM Committee on Best Practices in Data Analysis and Sharing (COBIDAS), we provide a glossary to disambiguate terms related to iEEG research.
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7
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Friedrich EVC, Zillekens IC, Biel AL, O'Leary D, Seegenschmiedt EV, Singer J, Schilbach L, Sauseng P. Seeing a Bayesian ghost: Sensorimotor activation leads to an illusory social perception. iScience 2022; 25:104068. [PMID: 35355523 PMCID: PMC8958323 DOI: 10.1016/j.isci.2022.104068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/21/2021] [Accepted: 03/10/2022] [Indexed: 11/05/2022] Open
Abstract
Based on our prior experiences we form social expectations and anticipate another person’s response. Under certain conditions, these expectations can be so strong that they lead to illusory perception of another person who is actually not there (i.e., seeing a Bayesian ghost). We used EEG to investigate the neural correlates of such illusory social perception. Our results showed that activation of the premotor cortex predicted the occurrence of the Bayesian ghost, whereas its actual appearance was later accompanied by activation in sensorimotor and adjacent parietal regions. These findings confirm that our perception of others is so strongly affected by prior expectations, in such a way they can prompt illusory social perceptions associated with activity change in brain regions relevant for action perception. They also contribute to a better understanding of social interaction in healthy individuals as well as persons with mental illnesses, which can be characterized by illusory perception and social interaction difficulties. Expecting a response to a social action can lead to an illusion of another person The brain does not merely respond to social signals but anticipates social behavior Sensorimotor activity indicates top-down predictions that outweigh sensory input Illusory social perception is associated with sensorimotor and parietal activity
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Affiliation(s)
- Elisabeth V C Friedrich
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-University Munich, 80802 Munich, Germany
| | - Imme C Zillekens
- Independent Max Planck Research Group for Social Neuroscience, Max Planck Institute of Psychiatry, 80804 Munich, Germany.,International Max Planck Research School for Translational Psychiatry, 80804 Munich, Germany
| | - Anna Lena Biel
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-University Munich, 80802 Munich, Germany
| | - Dariusz O'Leary
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-University Munich, 80802 Munich, Germany
| | - Eva Victoria Seegenschmiedt
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-University Munich, 80802 Munich, Germany
| | - Johannes Singer
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-University Munich, 80802 Munich, Germany.,Department of Education and Psychology, Freie Universität Berlin, 14195 Berlin, Germany
| | - Leonhard Schilbach
- Independent Max Planck Research Group for Social Neuroscience, Max Planck Institute of Psychiatry, 80804 Munich, Germany.,International Max Planck Research School for Translational Psychiatry, 80804 Munich, Germany.,Medical Faculty, Ludwig-Maximilians-University Munich, 80336 Munich, Germany
| | - Paul Sauseng
- Department of Psychology, Research Unit Biological Psychology, Ludwig-Maximilians-University Munich, 80802 Munich, Germany
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8
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Kislinger L. Photographs of Actions: What Makes Them Special Cues to Social Perception. Brain Sci 2021; 11:brainsci11111382. [PMID: 34827381 PMCID: PMC8615998 DOI: 10.3390/brainsci11111382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/18/2021] [Accepted: 10/18/2021] [Indexed: 11/16/2022] Open
Abstract
I have reviewed studies on neural responses to pictured actions in the action observation network (AON) and the cognitive functions of these responses. Based on this review, I have analyzed the specific representational characteristics of action photographs. There has been consensus that AON responses provide viewers with knowledge of observed or pictured actions, but there has been controversy about the properties of this knowledge. Is this knowledge causally provided by AON activities or is it dependent on conceptual processing? What elements of actions does it refer to, and how generalized or specific is it? The answers to these questions have come from studies that used transcranial magnetic stimulation (TMS) to stimulate motor or somatosensory cortices. In conjunction with electromyography (EMG), TMS allows researchers to examine changes of the excitability in the corticospinal tract and muscles of people viewing pictured actions. The timing of these changes and muscle specificity enable inferences to be drawn about the cognitive products of processing pictured actions in the AON. Based on a review of studies using TMS and other neuroscience methods, I have proposed a novel hypothetical account that describes the characteristics of action photographs that make them effective cues to social perception. This account includes predictions that can be tested experimentally.
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9
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Rizzolatti G, Fabbri-Destro M, Nuara A, Gatti R, Avanzini P. The role of mirror mechanism in the recovery, maintenance, and acquisition of motor abilities. Neurosci Biobehav Rev 2021; 127:404-423. [PMID: 33910057 DOI: 10.1016/j.neubiorev.2021.04.024] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/12/2021] [Accepted: 04/20/2021] [Indexed: 10/21/2022]
Abstract
While it is well documented that the motor system is more than a mere implementer of motor actions, the possible applications of its cognitive side are still under-exploited, often remaining as poorly organized evidence. Here, we will collect evidence showing the value of action observation treatment (AOT) in the recovery of impaired motor abilities for a vast number of clinical conditions, spanning from traumatological patients to brain injuries and neurodegenerative diseases. Alongside, we will discuss the use of AOT in the maintenance of appropriate motor behavior in subjects at risk for events with dramatic physical consequences, like fall prevention in elderly people or injury prevention in sports. Finally, we will report that AOT can help to tune existing motor competencies in fields requiring precise motor control. We will connect all these diverse dots into the neurophysiological scenario offered by decades of research on the human mirror mechanism, discussing the potentialities for individualization. Empowered by modern technologies, AOT can impact individuals' safety and quality of life across the whole lifespan.
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Affiliation(s)
- Giacomo Rizzolatti
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy
| | | | - Arturo Nuara
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy; Università di Modena e Reggio Emilia, Dipartimento di Scienze Biomediche, Metaboliche, e Neuroscienze, Modena, Italy
| | - Roberto Gatti
- Istituto Clinico Humanitas, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Pietro Avanzini
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy; Istituto Clinico Humanitas, Humanitas Clinical and Research Center, Rozzano, Milan, Italy.
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10
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Bretas R, Taoka M, Hihara S, Cleeremans A, Iriki A. Neural Evidence of Mirror Self-Recognition in the Secondary Somatosensory Cortex of Macaque: Observations from a Single-Cell Recording Experiment and Implications for Consciousness. Brain Sci 2021; 11:brainsci11020157. [PMID: 33503993 PMCID: PMC7911187 DOI: 10.3390/brainsci11020157] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 11/23/2022] Open
Abstract
Despite mirror self-recognition being regarded as a classical indication of self-awareness, little is known about its neural underpinnings. An increasing body of evidence pointing to a role of multimodal somatosensory neurons in self-recognition guided our investigation toward the secondary somatosensory cortex (SII), as we observed single-neuron activity from a macaque monkey sitting in front of a mirror. The monkey was previously habituated to the mirror, successfully acquiring the ability of mirror self-recognition. While the monkey underwent visual and somatosensory stimulation, multimodal visual and somatosensory activity was detected in the SII, with neurons found to respond to stimuli seen through the mirror. Responses were also modulated by self-related or non-self-related stimuli. These observations corroborate that vision is an important aspect of SII activity, with electrophysiological evidence of mirror self-recognition at the neuronal level, even when such an ability is not innate. We also show that the SII may be involved in distinguishing self and non-self. Together, these results point to the involvement of the SII in the establishment of bodily self-consciousness.
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Affiliation(s)
- Rafael Bretas
- Laboratory for Symbolic Cognitive Development, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan; (R.B.); (M.T.)
| | - Miki Taoka
- Laboratory for Symbolic Cognitive Development, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan; (R.B.); (M.T.)
| | - Sayaka Hihara
- Laboratory for Symbolic Cognitive Development, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan; (R.B.); (M.T.)
| | - Axel Cleeremans
- Program in Brain, Mind & Consciousness, Canadian Institute for Advanced Research, Toronto, ON M5G 1M1, Canada;
- Consciousness, Cognition, and Computation Group (CO3), Centre for Research in Cognition and Neurosciences (CRCN), ULB Neuroscience Institute (UNI), Université Libre de Bruxelles (ULB), B-1050 Brussels, Belgium
| | - Atsushi Iriki
- Laboratory for Symbolic Cognitive Development, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan; (R.B.); (M.T.)
- Program in Brain, Mind & Consciousness, Canadian Institute for Advanced Research, Toronto, ON M5G 1M1, Canada;
- Correspondence:
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11
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Del Vecchio M, Avanzini P. La Recherche du Temps Perdu: Timing in Somatosensation. Commentary: Somatosensation in the Brain: A Theoretical Re-evaluation and a New Model. Front Syst Neurosci 2020; 14:597755. [PMID: 33281569 PMCID: PMC7690214 DOI: 10.3389/fnsys.2020.597755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/12/2020] [Indexed: 11/23/2022] Open
Affiliation(s)
- Maria Del Vecchio
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy
| | - Pietro Avanzini
- Consiglio Nazionale delle Ricerche, Istituto di Neuroscienze, Parma, Italy
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12
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Florio TM. Stereotyped, automatized and habitual behaviours: are they similar constructs under the control of the same cerebral areas? AIMS Neurosci 2020; 7:136-152. [PMID: 32607417 PMCID: PMC7321770 DOI: 10.3934/neuroscience.2020010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 05/18/2020] [Indexed: 11/19/2022] Open
Abstract
Comprehensive knowledge about higher executive functions of motor control has been covered in the last decades. Critical goals have been targeted through many different technological approaches. An abundant flow of new results greatly progressed our ability to respond at better-posited answers to look more than ever at the challenging neural system functioning. Behaviour is the observable result of the invisible, as complex cerebral functioning. Many pathological states are approached after symptomatology categorisation of behavioural impairments is achieved. Motor, non-motor and psychiatric signs are greatly shared by many neurological/psychiatric disorders. Together with the cerebral cortex, the basal ganglia contribute to the expression of behaviour promoting the correct action schemas and the selection of appropriate sub-goals based on the evaluation of action outcomes. The present review focus on the basic classification of higher motor control functioning, taking into account the recent advances in basal ganglia structural knowledge and the computational model of basal ganglia functioning. We discuss about the basal ganglia capability in executing ordered motor patterns in which any single movement is linked to each other into an action, and many actions are ordered into each other, giving them a syntactic value to the final behaviour. The stereotypic, automatized and habitual behaviour's constructs and controls are the expression of successive stages of rule internalization and categorisation aimed in producing the perfect spatial-temporal control of motor command.
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Affiliation(s)
- Tiziana M Florio
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Italy
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