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Gundlach C, Müller MM. Increased visual alpha-band activity during self-paced finger tapping does not affect early visual stimulus processing. Psychophysiology 2024:e14707. [PMID: 39380314 DOI: 10.1111/psyp.14707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 08/13/2024] [Accepted: 09/26/2024] [Indexed: 10/10/2024]
Abstract
Alpha-band activity is thought to be involved in orchestrating neural processing within and across brain regions relevant to various functions such as perception, cognition, and motor activity. Across different studies, attenuated alpha-band activity has been linked to increased neural excitability. Yet, there have been conflicting results concerning the consequences of alpha-band modulations for early sensory processing. We here examined whether movement-related alterations in visual alpha-band activity affected the early sensory processing of visual stimuli. For this purpose, in an EEG experiment, participants were engaged in a voluntary finger-tapping task while passively viewing flickering dots. We found extensive and expected movement-related amplitude modulations of motor alpha- and beta-band activity with event-related-desynchronization (ERD) before and during, and event-related-synchronization (ERS) after single voluntary finger taps. Crucially, while a visual alpha-band ERS accompanied the motor alpha-ERD before and during each finger tap, flicker-evoked Steady-State-Visually-Evoked-Potentials (SSVEPs), as a marker of early visual sensory gain, were not modulated in amplitude. As early sensory stimulus processing was unaffected by amplitude-modulated visual alpha-band activity, this argues against the idea that alpha-band activity represents a mechanism by which early sensory gain modulation is implemented. The distinct neural dynamics of visual alpha-band activity and early sensory processing may point to distinct and multiplexed neural selection processes in visual processing.
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Affiliation(s)
- C Gundlach
- Wilhelm Wundt Institute for Psychology, Experimental Psychology and Methods, Universität Leipzig, Leipzig, Germany
| | - M M Müller
- Wilhelm Wundt Institute for Psychology, Experimental Psychology and Methods, Universität Leipzig, Leipzig, Germany
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2
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Andreu-Sánchez C, Martín-Pascual MÁ, Gruart A, Delgado-García JM. Differences in Mu rhythm when seeing grasping/motor actions in a real context versus on screens. Sci Rep 2024; 14:22921. [PMID: 39358411 PMCID: PMC11447160 DOI: 10.1038/s41598-024-74453-x] [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: 07/10/2024] [Accepted: 09/26/2024] [Indexed: 10/04/2024] Open
Abstract
Mu rhythm (∼8-12 Hz) in the somatosensory cortex has traditionally been linked with doing and seeing motor activities. Here, we aimed to learn how the medium (physical or screened) in which motor actions are seen could impact on that specific brain rhythm. To do so, we presented to 40 participants the very same narrative content both in a one-shot movie with no cuts and in a real theatrical performance. We recorded subjects' brain activities with electroencephalographic (EEG) procedures, and analyzed Mu rhythm present in left (C3) and right (C4) somatosensory areas in relation to the 24 motor activities included in each visual stimulus (screen vs. reality) (24 motor and grasping actions x 40 participants x 2 conditions = 1920 trials). We found lower Mu spectral power in the somatosensory area after the onset of the motor actions in real performance than on-screened content, more pronounced in the left hemisphere. In our results, the sensorimotor Mu-ERD (event-related desynchronization) was stronger during the real-world observation compared to screen observation. This could be relevant in research areas where the somatosensory cortex is important, such as online learning, virtual reality, or brain-computer interfaces.
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Affiliation(s)
- Celia Andreu-Sánchez
- Neuro-Com Research Group, Department of Audiovisual Communication and Advertising, Universitat Autònoma de Barcelona, Barcelona, 08193, Spain.
- Institut de Neurociències, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, 08193, Spain.
| | - Miguel Ángel Martín-Pascual
- Neuro-Com Research Group, Department of Audiovisual Communication and Advertising, Universitat Autònoma de Barcelona, Barcelona, 08193, Spain
- Research and Development, Institute of Spanish Public Television (RTVE), Corporación Radio Televisión Española, Barcelona, 08174, Spain
| | - Agnès Gruart
- Division of Neurosciences, University Pablo de Olavide, Seville, 41013, Spain
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3
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Dickinson A, Booth M, Daniel M, Campbell A, Miller N, Lau B, Zempel J, Webb SJ, Elison J, Lee AKC, Estes A, Dager S, Hazlett H, Wolff J, Schultz R, Marrus N, Evans A, Piven J, Pruett JR, Jeste S. Multi-site EEG studies in early infancy: Methods to enhance data quality. Dev Cogn Neurosci 2024; 69:101425. [PMID: 39163782 PMCID: PMC11380169 DOI: 10.1016/j.dcn.2024.101425] [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: 02/27/2024] [Revised: 07/30/2024] [Accepted: 07/30/2024] [Indexed: 08/22/2024] Open
Abstract
Brain differences linked to autism spectrum disorder (ASD) can manifest before observable symptoms. Studying these early neural precursors in larger and more diverse cohorts is crucial for advancing our understanding of developmental pathways and potentially facilitating earlier identification. EEG is an ideal tool for investigating early neural differences in ASD, given its scalability and high tolerability in infant populations. In this context, we integrated EEG into an existing multi-site MRI study of infants with a higher familial likelihood of developing ASD. This paper describes the comprehensive protocol established to collect longitudinal, high-density EEG data from infants across five sites as part of the Infant Brain Imaging Study (IBIS) Network and reports interim feasibility and data quality results. We evaluated feasibility by measuring the percentage of infants from whom we successfully collected each EEG paradigm. The quality of task-free data was assessed based on the duration of EEG recordings remaining after artifact removal. Preliminary analyses revealed low data loss, with average in-session loss rates at 4.16 % and quality control loss rates at 11.66 %. Overall, the task-free data retention rate, accounting for both in-session issues and quality control, was 84.16 %, with high consistency across sites. The insights gained from this preliminary analysis highlight key sources of data attrition and provide practical considerations to guide similar research endeavors.
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Affiliation(s)
- Abigail Dickinson
- Center for Autism Research and Treatment, Semel Institute for Neuroscience, University of California, Los Angeles, CA, USA.
| | - Madison Booth
- Department of Neurology, Children's Hospital of Los Angeles, Los Angeles, CA, USA
| | - Manjari Daniel
- Center for Autism Research and Treatment, Semel Institute for Neuroscience, University of California, Los Angeles, CA, USA
| | - Alana Campbell
- Carolina Institute for Developmental Disabilities, Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Neely Miller
- Center for Neurobehavioral Development, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - Bonnie Lau
- Department of Otolaryngology - Head and Neck Surgery, University of Washington, Seattle, WA, USA
| | - John Zempel
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Sara Jane Webb
- Center for Child Health, Behavior, and Development, Seattle Children's Research Institute, Seattle, WA, USA
| | - Jed Elison
- Institute of Child Development, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - Adrian K C Lee
- Department of Speech and Hearing Sciences, Institute for Learning and Brain Sciences, University of Washington, Seattle, WA, USA
| | - Annette Estes
- Department of Speech and Hearing Sciences, Institute for Learning and Brain Sciences, University of Washington, Seattle, WA, USA
| | - Stephen Dager
- Department of Radiology, University of Washington, Seattle, WA, USA
| | - Heather Hazlett
- Carolina Institute for Developmental Disabilities, Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Jason Wolff
- Center for Neurobehavioral Development, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - Robert Schultz
- Center for Autism Research, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Natasha Marrus
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Alan Evans
- McGill Centre for Integrative Neuroscience, Montreal Neurological Institute, McGill University, Montréal, QC, Canada
| | - Joseph Piven
- Carolina Institute for Developmental Disabilities, Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - John R Pruett
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Shafali Jeste
- Department of Neurology, Children's Hospital of Los Angeles, Los Angeles, CA, USA; Department of Pediatrics and Neurology, University of Southern California, Los Angeles, CA, USA
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4
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Ünsal E, Duygun R, Yemeniciler İ, Bingöl E, Ceran Ö, Güntekin B. From Infancy to Childhood: A Comprehensive Review of Event- and Task-Related Brain Oscillations. Brain Sci 2024; 14:837. [PMID: 39199528 PMCID: PMC11352659 DOI: 10.3390/brainsci14080837] [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: 07/03/2024] [Revised: 08/12/2024] [Accepted: 08/14/2024] [Indexed: 09/01/2024] Open
Abstract
Brain development from infancy through childhood involves complex structural and functional changes influenced by both internal and external factors. This review provides a comprehensive analysis of event and task-related brain oscillations, focusing on developmental changes across different frequency bands, including delta, theta, alpha, beta, and gamma. Electroencephalography (EEG) studies highlight that these oscillations serve as functional building blocks for sensory and cognitive processes, with significant variations observed across different developmental stages. Delta oscillations, primarily associated with deep sleep and early cognitive demands, gradually diminish as children age. Theta rhythms, crucial for attention and memory, display a distinct pattern in early childhood, evolving with cognitive maturation. Alpha oscillations, reflecting thalamocortical interactions and cognitive performance, increase in complexity with age. Beta rhythms, linked to active thinking and problem-solving, show developmental differences in motor and cognitive tasks. Gamma oscillations, associated with higher cognitive functions, exhibit notable changes in response to sensory stimuli and cognitive tasks. This review underscores the importance of understanding oscillatory dynamics to elucidate brain development and its implications for sensory and cognitive processing in childhood. The findings provide a foundation for future research on developmental neuroscience and potential clinical applications.
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Affiliation(s)
- Esra Ünsal
- Department of Neuroscience, Graduate School of Health Sciences, Istanbul Medipol University, 34810 Istanbul, Turkey; (E.Ü.); (R.D.); (İ.Y.); (E.B.)
- Neuroscience Research Center, Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Istanbul, Turkey
| | - Rümeysa Duygun
- Department of Neuroscience, Graduate School of Health Sciences, Istanbul Medipol University, 34810 Istanbul, Turkey; (E.Ü.); (R.D.); (İ.Y.); (E.B.)
- Neuroscience Research Center, Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Istanbul, Turkey
| | - İrem Yemeniciler
- Department of Neuroscience, Graduate School of Health Sciences, Istanbul Medipol University, 34810 Istanbul, Turkey; (E.Ü.); (R.D.); (İ.Y.); (E.B.)
- Neuroscience Research Center, Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Istanbul, Turkey
- Department of Biophysics, School of Medicine, Istanbul Medipol University, 34810 Istanbul, Turkey
| | - Elifnur Bingöl
- Department of Neuroscience, Graduate School of Health Sciences, Istanbul Medipol University, 34810 Istanbul, Turkey; (E.Ü.); (R.D.); (İ.Y.); (E.B.)
- Neuroscience Research Center, Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Istanbul, Turkey
- Department of Biophysics, School of Medicine, Istanbul Medipol University, 34810 Istanbul, Turkey
| | - Ömer Ceran
- Department of Pediatrics, School of Medicine, Istanbul Medipol University, 34810 Istanbul, Turkey;
| | - Bahar Güntekin
- Neuroscience Research Center, Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Istanbul, Turkey
- Department of Biophysics, School of Medicine, Istanbul Medipol University, 34810 Istanbul, Turkey
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5
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Colomer M, Zacharaki K, Sebastian-Galles N. Selective Action Prediction in Infancy Depending on Linguistic Cues: An EEG and Eyetracker Study. J Neurosci 2024; 44:e1301232024. [PMID: 38418219 PMCID: PMC10993032 DOI: 10.1523/jneurosci.1301-23.2024] [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: 07/12/2023] [Revised: 02/10/2024] [Accepted: 02/14/2024] [Indexed: 03/01/2024] Open
Abstract
Humans' capacity to predict actions and to socially categorize individuals is at the basis of social cognition. Such capacities emerge in early infancy. By 6 months of age, infants predict others' reaching actions considering others' epistemic state. At a similar age, infants are biased to attend to and interact with more familiar individuals, considering adult-like social categories such as the language people speak. We report that these two core processes are interrelated early on in infancy. In a belief-based action prediction task, 6-month-old infants (males and females) presented with a native speaker generated online predictions about the agent's actions, as revealed by the activation of participants' sensorimotor areas before the agent's movement. However, infants who were presented with a foreign speaker did not recruit their motor system before the agent's action. The eyetracker analysis provided further evidence that linguistic group familiarity influences how infants predict others' actions, as only infants presented with a native speaker modified their attention to the stimuli as a function of the agent's forthcoming behavior. The current findings suggest that infants' emerging capacity to predict others' actions is modulated by social cues, such as others' linguistic group. A facilitation to predict and encode the actions of native speakers relative to foreign speakers may explain, in part, why infants preferentially attend to, imitate, and learn from the actions of native speakers.
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Affiliation(s)
- M Colomer
- Center for Brain and Cognition (CBC), Universitat Pompeu Fabra, Barcelona 08018, Spain
- Department of Psychology, University of Chicago, Chicago, Illinois 60637
| | - K Zacharaki
- Center for Brain and Cognition (CBC), Universitat Pompeu Fabra, Barcelona 08018, Spain
| | - N Sebastian-Galles
- Center for Brain and Cognition (CBC), Universitat Pompeu Fabra, Barcelona 08018, Spain
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6
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Karimova ED, Ovakimian AS, Katermin NS. Live vs video interaction: sensorimotor and visual cortical oscillations during action observation. Cereb Cortex 2024; 34:bhae168. [PMID: 38679481 DOI: 10.1093/cercor/bhae168] [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: 03/07/2024] [Revised: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 05/01/2024] Open
Abstract
Increasingly, in the field of communication, education, and business, people are switching to video interaction, and interlocutors frequently complain that the perception of nonverbal information and concentration suffer. We investigated this issue by analyzing electroencephalogram (EEG) oscillations of the sensorimotor (mu rhythm) and visual (alpha rhythm) cortex of the brain in an experiment with action observation live and on video. The mu rhythm reflects the activity of the mirror neuron system, and the occipital alpha rhythm shows the level of visual attention. We used 32-channel EEG recorded during live and video action observation in 83 healthy volunteers. The ICA method was used for selecting the mu- and alpha-components; the Fourier Transform was used to calculate the suppression index relative to the baseline (stationary demonstrator) of the rhythms. The main range of the mu rhythm was indeed sensitive to social movement and was highly dependent on the conditions of interaction-live or video. The upper mu-range appeared to be less sensitive to the conditions, but more sensitive to different movements. The alpha rhythm did not depend on the type of movement; however, a live performance initially caused a stronger concentration of visual attention. Thus, subtle social and nonverbal perceptions may suffer in remote video interactions.
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Affiliation(s)
- Ekaterina D Karimova
- Laboratory of Applied Physiology of Human Higher Nervous Activity, Institute of Higher Nervous Activity and Neurophysiology of RAS (IHNA&NPh RAS), 5A Butlerova street, 117485 Moscow, the Russian Federation
| | - Alena S Ovakimian
- Laboratory of Applied Physiology of Human Higher Nervous Activity, Institute of Higher Nervous Activity and Neurophysiology of RAS (IHNA&NPh RAS), 5A Butlerova street, 117485 Moscow, the Russian Federation
| | - Nikita S Katermin
- Flow cytometry data processing group, BostonGene Technologies, Hrachya Qochar Str., 2A, 0033, Yerevan, Armenia
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7
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Rayson H, Szul MJ, El-Khoueiry P, Debnath R, Gautier-Martins M, Ferrari PF, Fox N, Bonaiuto JJ. Bursting with Potential: How Sensorimotor Beta Bursts Develop from Infancy to Adulthood. J Neurosci 2023; 43:8487-8503. [PMID: 37833066 PMCID: PMC10711718 DOI: 10.1523/jneurosci.0886-23.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/15/2023] [Accepted: 07/20/2023] [Indexed: 10/15/2023] Open
Abstract
Beta activity is thought to play a critical role in sensorimotor processes. However, little is known about how activity in this frequency band develops. Here, we investigated the developmental trajectory of sensorimotor beta activity from infancy to adulthood. We recorded EEG from 9-month-old, 12-month-old, and adult humans (male and female) while they observed and executed grasping movements. We analyzed "beta burst" activity using a novel method that combines time-frequency decomposition and principal component analysis. We then examined the changes in burst rate and waveform motifs along the selected principal components. Our results reveal systematic changes in beta activity during action execution across development. We found a decrease in beta burst rate during movement execution in all age groups, with the greatest decrease observed in adults. Additionally, we identified three principal components that defined waveform motifs that systematically changed throughout the trial. We found that bursts with waveform shapes closer to the median waveform were not rate-modulated, whereas those with waveform shapes further from the median were differentially rate-modulated. Interestingly, the decrease in the rate of certain burst motifs occurred earlier during movement and was more lateralized in adults than in infants, suggesting that the rate modulation of specific types of beta bursts becomes increasingly refined with age.SIGNIFICANCE STATEMENT We demonstrate that, like in adults, sensorimotor beta activity in infants during reaching and grasping movements occurs in bursts, not oscillations like thought traditionally. Furthermore, different beta waveform shapes were differentially modulated with age, including more lateralization in adults. Aberrant beta activity characterizes various developmental disorders and motor difficulties linked to early brain injury, so looking at burst waveform shape could provide more sensitivity for early identification and treatment of affected individuals before any behavioral symptoms emerge. More generally, comparison of beta burst activity in typical versus atypical motor development will also be instrumental in teasing apart the mechanistic functional roles of different types of beta bursts.
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Affiliation(s)
- Holly Rayson
- Institut des Sciences, Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5229, Bron, 69500, France
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon, 69100, France
- Inovarion, Paris, 75005, France
| | - Maciej J Szul
- Institut des Sciences, Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5229, Bron, 69500, France
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon, 69100, France
| | - Perla El-Khoueiry
- Institut des Sciences, Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5229, Bron, 69500, France
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon, 69100, France
| | - Ranjan Debnath
- Center for Psychiatry and Psychotherapy, Justus-Liebig University, Giessen, 35394, Germany
| | - Marine Gautier-Martins
- Institut des Sciences, Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5229, Bron, 69500, France
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon, 69100, France
| | - Pier F Ferrari
- Institut des Sciences, Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5229, Bron, 69500, France
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon, 69100, France
| | - Nathan Fox
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland, 20742
| | - James J Bonaiuto
- Institut des Sciences, Cognitives Marc Jeannerod, Centre National de la Recherche Scientifique Unité Mixte de Recherche 5229, Bron, 69500, France
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon, 69100, France
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Rimbert S, Trocellier D, Lotte F. Impact of the baseline temporal selection on the ERD/ERS analysis for Motor Imagery-based BCI. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2023; 2023:1-4. [PMID: 38082700 DOI: 10.1109/embc40787.2023.10340748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Motor Imagery-based Brain-Computer Interfaces (MI-BCIs) are neurotechnologies that exploit the modulation of sensorimotor rhythms over the motor cortices, respectively known as Event-Related Desynchronization (ERD) and Synchronization (ERS). The interpretation of ERD/ERS is directly related to the selection of the baseline used to estimate them, and might result in a misleading ERD/ERS visualization. In fact, in BCI paradigms, if two trials are separated by a few seconds, taking a baseline close to the end of the previous trial could result in an over-estimation of the ERD, while taking a baseline too close to the upcoming trial could result in an under-estimation of the ERD. This phenomenon may cause a functional misinterpretation of the ERD/ERS phenomena in MI-BCI studies. This may also impair BCI performances for MI vs Rest classification, since such baselines are often used as resting states. In this paper, we propose to investigate the effect of several baseline time window selections on ERD/ERS modulations and BCI performances. Our results show that considering the selected temporal baseline effect is essential to analyze the modulations of ERD/ERS during MI-BCI use.
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Hinchberger V, Kang SH, Kline J, Stanley CJ, Bulea TC, Damiano DL. Investigation of brain mechanisms underlying upper limb function in bilateral cerebral palsy using EEG. Clin Neurophysiol 2023; 151:116-127. [PMID: 37245498 PMCID: PMC10330582 DOI: 10.1016/j.clinph.2023.04.006] [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: 11/28/2022] [Revised: 03/13/2023] [Accepted: 04/15/2023] [Indexed: 05/30/2023]
Abstract
OBJECTIVE Few studies focus on upper limbs in bilateral cerebral palsy (CP) despite potential bimanual deficits. Electroencephalography (EEG) was utilized to investigate brain mechanisms underlying upper limb tasks in bilateral CP and typical development (TD) and relationships to function. METHODS 26 (14 CP; 12 TD) completed the Box and Blocks Test and transport task with paper, sponge or mixed blocks, while recording EEG and motion data. RESULTS Group effects for path time, path length and Box and Blocks Test revealed bimanual deficits. Four sensorimotor-related EEG clusters were identified. Group effects were found in premotor and dominant motor clusters with greater beta event-related desynchronization (ERD) in CP. Hand and hand by group effects were found in the dominant motor cluster, showing greater ERD with the more affected hand in CP. Condition effects were prominent in the posterior parietal cluster with higher ERD reflecting greater difficulty in force modulation. CONCLUSIONS Higher brain activation associated with greater bimanual deficits is similar to our lower limb findings but contrasts studies in TD or unilateral CP linking higher ERD to greater proficiency. SIGNIFICANCE Bilateral CP shows overreliance on the dominant hemisphere with the less functional hand and higher brain activity presumably related to excessive intracortical connectivity.
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Affiliation(s)
- Victoria Hinchberger
- Neurorehabilitation and Biomechanics Research Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, USA
| | - Si Hyun Kang
- Neurorehabilitation and Biomechanics Research Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, USA; Department of Physical Medicine and Rehabilitation, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Julia Kline
- Neurorehabilitation and Biomechanics Research Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, USA
| | - Christopher J Stanley
- Neurorehabilitation and Biomechanics Research Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, USA
| | - Thomas C Bulea
- Neurorehabilitation and Biomechanics Research Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, USA
| | - Diane L Damiano
- Neurorehabilitation and Biomechanics Research Section, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, USA.
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10
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Salo VC, Debnath R, Rowe ML, Fox NA. Experience with pointing gestures facilitates infant vocabulary growth through enhancement of sensorimotor brain activity. Dev Psychol 2023; 59:676-690. [PMID: 36480360 PMCID: PMC10038843 DOI: 10.1037/dev0001493] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Exposure to communicative gestures, through their parents' use of gestures, is associated with infants' language development. However, the mechanisms supporting this link are not fully understood. In adults, sensorimotor brain activity occurs while processing communicative stimuli, including both spoken language and gestures. Using electroencephalogram (EEG) mu rhythm desynchronization (mu ERD), a marker of sensorimotor activity, we examined whether experimental manipulation of infants' exposure to gestures would affect language development, and specifically whether such an effect would be mediated by changes in sensorimotor brain activity. Mu ERD was measured in 10- to 12-month-old infants (N = 81; 42 male; 15% Hispanic, 62% White) recruited from counties surrounding a large mid-Atlantic university while they observed an experimenter gesturing toward or grasping an object. Half of the infants were randomized to receive increased gesture exposure through a parent-directed training. All 81 infants provided behavioral (infant and parent pointing and infant vocabulary) data prior to intervention and 72 provided behavioral data postintervention. Forty-two infants provided usable (post artifact removal) EEG data prior to intervention and 40 infants provided usable EEG data post-intervention. Twenty-nine infants provided usable EEG data at both sessions. Increased parent gesture due to the intervention was associated with increased infant right lateralized mu ERD at follow-up, but only while observing the experimenter gesturing not grasping. Increased mu ERD, again only while observing the experimenter gesture, was associated with increased infant receptive vocabulary. This is the first evidence suggesting that increasing exposure to gestures may impact infants' language development through an effect on sensorimotor brain activity. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Virginia C Salo
- Child Development and Behavior Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development
| | - Ranjan Debnath
- Center for Behavioral Brain Sciences, Leibniz Institute for Neurobiology
| | | | - Nathan A Fox
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park
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11
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Brandes-Aitken A, Metser M, Braren SH, Vogel SC, Brito NH. Neurophysiology of sustained attention in early infancy: Investigating longitudinal relations with recognition memory outcomes. Infant Behav Dev 2023; 70:101807. [PMID: 36634407 PMCID: PMC9901300 DOI: 10.1016/j.infbeh.2022.101807] [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: 09/02/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 01/11/2023]
Abstract
The ability to sustain attention is a critical cognitive domain that emerges in infancy and is predictive of a multitude of cognitive processes. Here, we used a heart rate (HR) defined measure of sustained attention to assess corresponding changes in frontal electroencephalography (EEG) power at 3 months of age. Second, we examined how the neural underpinnings of HR-defined sustained attention were associated with sustained attention engagement. Third, we evaluated if neural or behavioral sustained attention measures at 3-months predicted subsequent recognition memory scores at 9 months of age. Seventy-five infants were included at 3 months of age and provided usable attention and EEG data and 25 infants returned to the lab at 9 months and provided usable recognition memory data. The current study focuses on oscillatory power in the theta (4-6 Hz) frequency band during phases of HR-defined sustained attention and inattention phases. Results revealed that theta power was significantly higher during phases of sustained attention. Second, higher theta power during sustained attention was positively associated with proportion of time in sustained attention. Third, longitudinal analyses indicated a significant positive association between theta power during sustained attention on 9-month visual paired comparison scores such that higher theta power predicted higher visual paired comparison scores at 9-months. These results highlight the interrelation of the attention and arousal systems which have longitudinal implications for subsequent recognition memory processes.
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Affiliation(s)
- Annie Brandes-Aitken
- Department of Applied Psychology, New York University, New York, NY, USA; Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA; Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA.
| | - Maya Metser
- Department of Applied Psychology, New York University, New York, NY, USA,Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA,Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
| | - Stephen H. Braren
- Department of Applied Psychology, New York University, New York, NY, USA,Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA,Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
| | - Sarah C. Vogel
- Department of Applied Psychology, New York University, New York, NY, USA,Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA,Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
| | - Natalie H. Brito
- Department of Applied Psychology, New York University, New York, NY, USA,Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA,Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY, USA
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12
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Larson LM, Feuerriegel D, Hasan MI, Braat S, Jin J, Tipu SMU, Shiraji S, Tofail F, Biggs BA, Hamadani J, Johnson K, Pasricha SR, Bode S. Supplementation With Iron Syrup or Iron-Containing Multiple Micronutrient Powders Alters Resting Brain Activity in Bangladeshi Children. J Nutr 2023; 153:352-363. [PMID: 36913472 DOI: 10.1016/j.tjnut.2022.12.026] [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: 10/11/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Anemia and iron deficiency have been associated with poor child cognitive development. A key rationale for the prevention of anemia using supplementation with iron has been the benefits to neurodevelopment. However, little causal evidence exists for these gains. OBJECTIVES We aimed to examine effects of supplementation with iron or multiple micronutrient powders (MNPs) on brain activity measures using resting electroencephalography (EEG). METHODS Children included in this neurocognitive substudy were randomly selected from the Benefits and Risks of Iron Supplementation in Children study, a double-blind, double-dummy, individually randomized, parallel-group trial in Bangladesh, in which children, starting at 8 mo of age, received 3 mo of daily iron syrup, MNPs, or placebo. Resting brain activity was recorded using EEG immediately after intervention (month 3) and after a further 9-month follow-up (month 12). We derived EEG band power measures for delta, theta, alpha, and beta frequency bands. Linear regression models were used to compare the effect of each intervention with that of placebo on the outcomes. RESULTS Data from 412 children at month 3 and 374 at month 12 were analyzed. At baseline, 43.9% were anemic and 26.7% were iron deficient. Immediately after intervention, iron syrup, but not MNPs, increased the mu alpha-band power, a measure that is associated with maturity and the production of motor actions (iron vs. placebo: mean difference = 0.30; 95% CI: 0.11, 0.50 μV2; P = 0.003; false discovery rate adjusted P = 0.015). Despite effects on hemoglobin and iron status, effects were not observed on the posterior alpha, beta, delta, and theta bands, nor were effects sustained at the 9-month follow-up. CONCLUSIONS The effect size for immediate effects on the mu alpha-band power is comparable in magnitude with psychosocial stimulation interventions and poverty reduction strategies. However, overall, we did not find evidence for long-lasting changes in resting EEG power spectra from iron interventions in young Bangladeshi children. This trial was registered at www.anzctr.org.au as ACTRN12617000660381.
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Affiliation(s)
- Leila M Larson
- Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA; Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia; Department of Infectious Diseases at the Peter Doherty Institute, The University of Melbourne, Melbourne, Victoria, Australia.
| | - Daniel Feuerriegel
- Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Mohammed Imrul Hasan
- Maternal and Child Health Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Sabine Braat
- Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia; Department of Infectious Diseases at the Peter Doherty Institute, The University of Melbourne, Melbourne, Victoria, Australia; Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Victoria, Australia
| | - Jerry Jin
- Department of Infectious Diseases at the Peter Doherty Institute, The University of Melbourne, Melbourne, Victoria, Australia; Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Sm Mulk Uddin Tipu
- Maternal and Child Health Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Shamima Shiraji
- Maternal and Child Health Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Fahmida Tofail
- Maternal and Child Health Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Beverley-Ann Biggs
- Department of Infectious Diseases at the Peter Doherty Institute, The University of Melbourne, Melbourne, Victoria, Australia; The Victorian Infectious Diseases Service, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Jena Hamadani
- Maternal and Child Health Division, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Katherine Johnson
- Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Sant-Rayn Pasricha
- Population Health and Immunity Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia; Diagnostic Haematology, The Royal Melbourne Hospital, Parkville, Victoria, Australia; Diagnostic Haematology and Clinical Haematology, The Peter MacCallum Cancer Centre and The Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Stefan Bode
- Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia
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13
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Williams R, Trentini C. Two modes of being together: The levels of intersubjectivity and human relatedness in neuroscience and psychoanalytic thinking. Front Hum Neurosci 2022; 16:981366. [PMID: 36158615 PMCID: PMC9494563 DOI: 10.3389/fnhum.2022.981366] [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: 06/29/2022] [Accepted: 08/10/2022] [Indexed: 11/30/2022] Open
Abstract
The notion of intersubjectivity has achieved a primary status in contemporary psychoanalytic debate, stimulating new theoretical proposals as well as controversies. This paper presents an overview of the main contributions on inter-subjectivity in the field of neurosciences. In humans as well as-probably-in other species, the ability for emotional resonance is guaranteed early in development. Based on this capacity, a primary sense of connectedness is established that can be defined inter-subjective in that it entails sharing affective states and intentions with caregivers. We propose to define such a form of inter-subjectivity as contingent, since the infant's early abilities for resonance do not imply the more generalized capacity to permanently conceive of the relationship outside the realm of current interactions and the infant-caregiver's mutual correspondence of internal states. This form of connection, hence, results in a self-referential, bodily, and affectively codified, context- and time dependent, like-me experience of interactions. The gradual maturation of brain structures and processes as well as interactive experiences allow proper intersubjectivity exchanges, grounded on new intentional and representational capacities, to evolve. In this more mature form of intersubjectivity, the individual is allowed to conceive of her own psychic space both as distinct and as possibly connected with the other's contents and experience, even in the absence of current behavioral indicators of such correspondence. This multi-layered model of intersubjectivity, which is embraced by current neuroscience research, seems to allow for new interpretations of psychoanalytic models of human relatedness based upon classic clinical observations.
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Affiliation(s)
- Riccardo Williams
- Department of Dynamic and Clinical Psychology, and Health Studies, Sapienza University of Rome, Rome, Italy
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14
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Hervé E, Mento G, Desnous B, François C. Challenges and new perspectives of developmental cognitive EEG studies. Neuroimage 2022; 260:119508. [PMID: 35882267 DOI: 10.1016/j.neuroimage.2022.119508] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/07/2022] [Accepted: 07/22/2022] [Indexed: 10/16/2022] Open
Abstract
Despite shared procedures with adults, electroencephalography (EEG) in early development presents many specificities that need to be considered for good quality data collection. In this paper, we provide an overview of the most representative early cognitive developmental EEG studies focusing on the specificities of this neuroimaging technique in young participants, such as attrition and artifacts. We also summarize the most representative results in developmental EEG research obtained in the time and time-frequency domains and use more advanced signal processing methods. Finally, we briefly introduce three recent standardized pipelines that will help promote replicability and comparability across experiments and ages. While this paper does not claim to be exhaustive, it aims to give a sufficiently large overview of the challenges and solutions available to conduct robust cognitive developmental EEG studies.
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Affiliation(s)
- Estelle Hervé
- CNRS, LPL, Aix-Marseille University, 5 Avenue Pasteur, Aix-en-Provence 13100, France
| | - Giovanni Mento
- Department of General Psychology, University of Padova, Padova 35131, Italy; Padua Neuroscience Center (PNC), University of Padova, Padova 35131, Italy
| | - Béatrice Desnous
- APHM, Reference Center for Rare Epilepsies, Timone Children Hospital, Aix-Marseille University, Marseille 13005, France; Inserm, INS, Aix-Marseille University, Marseille 13005, France
| | - Clément François
- CNRS, LPL, Aix-Marseille University, 5 Avenue Pasteur, Aix-en-Provence 13100, France.
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15
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Turk E, Endevelt-Shapira Y, Feldman R, van den Heuvel MI, Levy J. Brains in Sync: Practical Guideline for Parent-Infant EEG During Natural Interaction. Front Psychol 2022; 13:833112. [PMID: 35572249 PMCID: PMC9093685 DOI: 10.3389/fpsyg.2022.833112] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 04/05/2022] [Indexed: 12/14/2022] Open
Abstract
Parent-infant EEG is a novel hyperscanning paradigm to measure social interaction simultaneously in the brains of parents and infants. The number of studies using parent-infant dual-EEG as a theoretical framework to measure brain-to-brain synchrony during interaction is rapidly growing, while the methodology for measuring synchrony is not yet uniform. While adult dual-EEG methodology is quickly improving, open databases, tutorials, and methodological validations for dual-EEG with infants are largely missing. In this practical guide, we provide a step-by-step manual on how to implement and run parent-infant EEG paradigms in a neurodevelopmental laboratory in naturalistic settings (e.g., free interactions). Next, we highlight insights on the variety of choices that can be made during (pre)processing dual-EEG data, including recommendations on interpersonal neural coupling metrics and interpretations of the results. Moreover, we provide an exemplar dataset of two mother-infant dyads during free interactions ("free play") that may serve as practice material. Instead of providing a critical note, we would like to move the field of parent-infant EEG forward and be transparent about the challenges that come along with the exciting opportunity to study the development of our social brain within the naturalistic context of dual-EEG.
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Affiliation(s)
- Elise Turk
- Department of Cognitive Neuropsychology, Tilburg University, Tilburg, Netherlands
| | - Yaara Endevelt-Shapira
- Baruch Ivcher School of Psychology, Interdisciplinary Center Herzliya, Reichman University, Herzliya, Israel
| | - Ruth Feldman
- Baruch Ivcher School of Psychology, Interdisciplinary Center Herzliya, Reichman University, Herzliya, Israel
| | | | - Jonathan Levy
- Baruch Ivcher School of Psychology, Interdisciplinary Center Herzliya, Reichman University, Herzliya, Israel.,Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland
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16
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Rayson H, Debnath R, Alavizadeh S, Fox N, Ferrari PF, Bonaiuto JJ. Detection and analysis of cortical beta bursts in developmental EEG data. Dev Cogn Neurosci 2022; 54:101069. [PMID: 35114447 PMCID: PMC8816670 DOI: 10.1016/j.dcn.2022.101069] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 11/14/2021] [Accepted: 01/13/2022] [Indexed: 01/10/2023] Open
Abstract
Developmental EEG research often involves analyzing signals within various frequency bands, based on the assumption that these signals represent oscillatory neural activity. However, growing evidence suggests that certain frequency bands are dominated by transient burst events in single trials rather than sustained oscillations. This is especially true for the beta band, with adult 'beta burst' timing a better predictor of motor behavior than slow changes in average beta amplitude. No developmental research thus far has looked at beta bursts, with techniques used to investigate frequency-specific activity structure rarely even applied to such data. Therefore, we aimed to: i) provide a tutorial for developmental EEG researchers on the application of methods for evaluating the rhythmic versus transient nature of frequency-specific activity; and ii) use these techniques to investigate the existence of sensorimotor beta bursts in infants. We found that beta activity in 12-month-olds did occur in bursts, however differences were also revealed in terms of duration, amplitude, and rate during grasping compared to adults. Application of the techniques illustrated here will be critical for clarifying the functional roles of frequency-specific activity across early development, including the role of beta activity in motor processing and its contribution to differing developmental motor trajectories.
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Affiliation(s)
- Holly Rayson
- Institut des Sciences Cognitives Marc Jeannerod, CNRS UMR5229, Bron, France; Université Claude Bernard Lyon 1, Université de Lyon, France.
| | | | - Sanaz Alavizadeh
- Institut des Sciences Cognitives Marc Jeannerod, CNRS UMR5229, Bron, France; Université Claude Bernard Lyon 1, Université de Lyon, France
| | - Nathan Fox
- University of Maryland College Park, MD, USA
| | - Pier F Ferrari
- Institut des Sciences Cognitives Marc Jeannerod, CNRS UMR5229, Bron, France; Université Claude Bernard Lyon 1, Université de Lyon, France
| | - James J Bonaiuto
- Institut des Sciences Cognitives Marc Jeannerod, CNRS UMR5229, Bron, France; Université Claude Bernard Lyon 1, Université de Lyon, France
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17
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Chung H, Meyer M, Debnath R, Fox NA, Woodward A. Neural correlates of familiar and unfamiliar action in infancy. J Exp Child Psychol 2022; 220:105415. [PMID: 35339810 PMCID: PMC9086142 DOI: 10.1016/j.jecp.2022.105415] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 11/15/2022]
Abstract
Behavioral evidence shows that experience with an action shapes action perception. Neural mirroring has been suggested as a mechanism underlying this behavioral phenomenon. Suppression of electroencephalogram (EEG) power in the mu frequency band, an index of motor activation, typically reflects neural mirroring. However, contradictory findings exist regarding the association between mu suppression and motor familiarity in infant EEG studies. In this study, we investigated the neural underpinnings reflecting the role of familiarity in action perception. We measured neural processing of familiar (grasp) and novel (tool-use) actions in 9- and 12-month-old infants. Specifically, we measured infants' distinct motor/visual activity and explored functional connectivity associated with these processes. Mu suppression was stronger for grasping than for tool use, whereas significant mu and occipital alpha (indexing visual activity) suppression were evident for both actions. Interestingly, selective motor-visual functional connectivity was found during observation of familiar action, a pattern not observed for novel action. Thus, the neural correlates of perception of familiar actions may be best understood in terms of a functional neural network rather than isolated regional activity. Our findings provide novel insights on analytic approaches for identifying motor-specific neural activity while also considering neural networks involved in observing motorically familiar versus unfamiliar actions.
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Affiliation(s)
| | - Marlene Meyer
- University of Chicago, Chicago, IL 60637, USA; Donders Institute, Radboud University, 6525 GD Nijmegen, the Netherlands
| | - Ranjan Debnath
- Leibniz Institute for Neurobiology, 39118 Magdeburg, Germany
| | - Nathan A Fox
- University of Maryland, College Park, MD 20742, USA
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18
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Karthik S, Parise E, Liszkowski U. Mirroring Communicative Actions: Contextual Modulation of Mu Rhythm Desynchronization in Response to the 'Back-Of-Hand' Action in 9-Month-Old Infants. Dev Neuropsychol 2022; 47:158-174. [PMID: 35321593 DOI: 10.1080/87565641.2022.2055033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This study measured mu rhythm desynchronization (MRD), while nine-month-old infants observed an agent extend her arm and hand, palm up ('back-of-hand action') either in social (object and recipient present), individual (object present, recipient absent), or social object-absent (recipient present, object absent) situations across two experiments. In addition, infants' MRD was measured as they reached for objects. Results revealed significant mu desynchronization in the right centro-parietal region selectively for the social group, indicating that infants processed the back-of-hand action as an object-directed request. Findings suggest to extend the action reconstruction account to object-directed communicative actions as well.
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Affiliation(s)
- Sriranjani Karthik
- Department of Developmental Psychology, University of Hamburg, Hamburg, Germany
| | - Eugenio Parise
- CIMeC - Center for Mind/Brain Sciences, University of Trento, Trento, Italy.,Department of Psychology, Lancaster University, Lancaster, UK
| | - Ulf Liszkowski
- Department of Developmental Psychology, University of Hamburg, Hamburg, Germany
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19
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Decroix J, Rossetti Y, Quesque F. Les neurones miroirs, hommes à tout faire des neurosciences : analyse critique des limites méthodologiques et théoriques. ANNEE PSYCHOLOGIQUE 2022. [DOI: 10.3917/anpsy1.221.0085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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20
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LIN J, HUANGLIANG J, HE Y, DUAN J, YIN J. The recognition of social intentions based on the information of minimizing costs: EEG and behavioral evidences. ACTA PSYCHOLOGICA SINICA 2022. [DOI: 10.3724/sp.j.1041.2022.00012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Quadrelli E, Roberti E, Polver S, Bulf H, Turati C. Sensorimotor Activity and Network Connectivity to Dynamic and Static Emotional Faces in 7-Month-Old Infants. Brain Sci 2021; 11:brainsci11111396. [PMID: 34827394 PMCID: PMC8615901 DOI: 10.3390/brainsci11111396] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
The present study investigated whether, as in adults, 7-month-old infants’ sensorimotor brain areas are recruited in response to the observation of emotional facial expressions. Activity of the sensorimotor cortex, as indexed by µ rhythm suppression, was recorded using electroencephalography (EEG) while infants observed neutral, angry, and happy facial expressions either in a static (N = 19) or dynamic (N = 19) condition. Graph theory analysis was used to investigate to which extent neural activity was functionally localized in specific cortical areas. Happy facial expressions elicited greater sensorimotor activation compared to angry faces in the dynamic experimental condition, while no difference was found between the three expressions in the static condition. Results also revealed that happy but not angry nor neutral expressions elicited a significant right-lateralized activation in the dynamic condition. Furthermore, dynamic emotional faces generated more efficient processing as they elicited higher global efficiency and lower networks’ diameter compared to static faces. Overall, current results suggest that, contrarily to neutral and angry faces, happy expressions elicit sensorimotor activity at 7 months and dynamic emotional faces are more efficiently processed by functional brain networks. Finally, current data provide evidence of the existence of a right-lateralized activity for the processing of happy facial expressions.
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Affiliation(s)
- Ermanno Quadrelli
- Department of Psychology, University of Milano-Bicocca, Edificio U6, Piazza dell’Ateneo Nuovo 1, 20126 Milano, Italy; (E.R.); (S.P.); (H.B.); (C.T.)
- NeuroMI, Milan Center for Neuroscience, 20126 Milano, Italy
- Correspondence: ; Tel.: +39-026-448-3775
| | - Elisa Roberti
- Department of Psychology, University of Milano-Bicocca, Edificio U6, Piazza dell’Ateneo Nuovo 1, 20126 Milano, Italy; (E.R.); (S.P.); (H.B.); (C.T.)
- NeuroMI, Milan Center for Neuroscience, 20126 Milano, Italy
| | - Silvia Polver
- Department of Psychology, University of Milano-Bicocca, Edificio U6, Piazza dell’Ateneo Nuovo 1, 20126 Milano, Italy; (E.R.); (S.P.); (H.B.); (C.T.)
| | - Hermann Bulf
- Department of Psychology, University of Milano-Bicocca, Edificio U6, Piazza dell’Ateneo Nuovo 1, 20126 Milano, Italy; (E.R.); (S.P.); (H.B.); (C.T.)
- NeuroMI, Milan Center for Neuroscience, 20126 Milano, Italy
| | - Chiara Turati
- Department of Psychology, University of Milano-Bicocca, Edificio U6, Piazza dell’Ateneo Nuovo 1, 20126 Milano, Italy; (E.R.); (S.P.); (H.B.); (C.T.)
- NeuroMI, Milan Center for Neuroscience, 20126 Milano, Italy
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22
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Marriott Haresign I, Phillips E, Whitehorn M, Noreika V, Jones EJH, Leong V, Wass SV. Automatic classification of ICA components from infant EEG using MARA. Dev Cogn Neurosci 2021; 52:101024. [PMID: 34715619 PMCID: PMC8556604 DOI: 10.1016/j.dcn.2021.101024] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 09/05/2021] [Accepted: 10/18/2021] [Indexed: 11/29/2022] Open
Abstract
Automated systems for identifying and removing non-neural ICA components are growing in popularity among EEG researchers of adult populations. Infant EEG data differs in many ways from adult EEG data, but there exists almost no specific system for automated classification of source components from paediatric populations. Here, we adapt one of the most popular systems for adult ICA component classification for use with infant EEG data. Our adapted classifier significantly outperformed the original adult classifier on samples of naturalistic free play EEG data recorded from 10 to 12-month-old infants, achieving agreement rates with the manual classification of over 75% across two validation studies (n = 44, n = 25). Additionally, we examined both classifiers’ ability to remove stereotyped ocular artifact from a basic visual processing ERP dataset compared to manual ICA data cleaning. Here, the new classifier performed on level with expert manual cleaning and was again significantly better than the adult classifier at removing artifact whilst retaining a greater amount of genuine neural signal operationalised through comparing ERP activations in time and space. Our new system (iMARA) offers developmental EEG researchers a flexible tool for automatic identification and removal of artifactual ICA components. Currently, few tools are available for ICA based data correction that are designed around infant EEG. ICA correction is necessary for naturalistic paradigms when movement artifacts covary with cognitive processes. We present a system for automated ICA classification designed around infant EEG data. This system offers increased performance compared to systems of automatic ICA classification designed around adult EEG.
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Affiliation(s)
| | - E Phillips
- Department of Psychology, University of East London, London, UK
| | - M Whitehorn
- Department of Psychology, University of East London, London, UK
| | - V Noreika
- Department of Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University of London, UK
| | - E J H Jones
- Centre for Brain and Cognitive Development, Birkbeck College, University of London, UK
| | - V Leong
- Department of Experimental Psychology, University of Cambridge, Cambridge, UK; School of Social Sciences, Nanyang Technological University, Singapore
| | - S V Wass
- Department of Psychology, University of East London, London, UK
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23
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Shen G, Weiss SM, Meltzoff AN, Allison ON, Marshall PJ. Exploring developmental changes in infant anticipation and perceptual processing: EEG responses to tactile stimulation. INFANCY 2021; 27:97-114. [PMID: 34617671 DOI: 10.1111/infa.12438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 07/12/2021] [Accepted: 08/29/2021] [Indexed: 11/26/2022]
Abstract
There is an increasing interest in alpha-range rhythms in the electroencephalogram (EEG) in relation to perceptual and attentional processes. The infant mu rhythm has been extensively studied in the context of linkages between action observation and action production in infancy, but less is known about the mu rhythm in relation to cross-modal processes involving somatosensation. We investigated differences in mu responses to cued vibrotactile stimulation of the hand in two age groups of infants: From 6 to 7 months and 13 to 14 months. We were also interested in anticipatory neural responses in the alpha frequency range prior to tactile stimulation. Tactile stimulation of infants' left or right hand was preceded by an audiovisual cue signaling which hand would be stimulated. In response to the tactile stimulus, infants demonstrated significant mu desynchronization over the central areas contralateral to the hand stimulated, with higher mu peak frequency and greater contralateral mu desynchronization for older infants. Prior to the tactile stimulus, both age groups showed significant bilateral alpha desynchronization over frontocentral sites, which may be indicative of generalized anticipation of an upcoming stimulus. The findings highlight the potential of examining the sensorimotor mu rhythm in the context of infant attentional development.
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Affiliation(s)
- Guannan Shen
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
| | - Staci M Weiss
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
| | - Andrew N Meltzoff
- Institute for Learning and Brain Science, University of Washington, Seattle, Washington, USA
| | - Olivia N Allison
- Department of Radiology, Children's Hospital of Philadephia, Philadephia, USA
| | - Peter J Marshall
- Department of Psychology, Temple University, Philadelphia, Pennsylvania, USA
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24
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The Effect of Baseline on Toddler Event-Related Mu-Rhythm Modulation. Brain Sci 2021; 11:brainsci11091159. [PMID: 34573178 PMCID: PMC8472825 DOI: 10.3390/brainsci11091159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 11/17/2022] Open
Abstract
Event-related mu-rhythm activity has become a common tool for the investigation of different socio-cognitive processes in pediatric populations. The estimation of the mu-rhythm desynchronization/synchronization (mu-ERD/ERS) in a specific task is usually computed in relation to a baseline condition. In the present study, we investigated the effect that different types of baseline might have on toddler mu-ERD/ERS related to an action observation (AO) and action execution (AE) task. Specifically, we compared mu-ERD/ERS values computed using as a baseline: (1) the observation of a static image (BL1) and (2) a period of stillness (BL2). Our results showed that the majority of the subjects suppressed the mu-rhythm in response to the task and presented a greater mu-ERD for one of the two baselines. In some cases, one of the two baselines was not even able to produce a significant mu-ERD, and the preferred baseline varied among subjects even if most of them were more sensitive to the BL1, thus suggesting that this could be a good baseline to elicit mu-rhythm modulations in toddlers. These results recommended some considerations for the design and analysis of mu-rhythm studies involving pediatric subjects: in particular, the importance of verifying the mu-rhythm activity during baseline, the relevance of single-subject analysis, the possibility of including more than one baseline condition, and caution in the choice of the baseline and in the interpretation of the results of studies investigating mu-rhythm activity in pediatric populations.
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25
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Meyer M, Chung H, Debnath R, Fox N, Woodward AL. Social context shapes neural processing of others' actions in 9-month-old infants. J Exp Child Psychol 2021; 213:105260. [PMID: 34390926 DOI: 10.1016/j.jecp.2021.105260] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 06/04/2021] [Accepted: 07/09/2021] [Indexed: 02/02/2023]
Abstract
From infancy, neural processes for perceiving others' actions and producing one's own actions overlap (neural mirroring). Adults and children show enhanced mirroring in social interactions. Yet, whether social context affects mirroring in infancy, a time when processing others' actions is crucial for action learning, remains unclear. We examined whether turn-taking, an early form of social interaction, enhanced 9-month-olds' neural mirroring. We recorded electroencephalography while 9-month-olds were grasping (execution) and observing live grasps (observation). In this design, half of the infants observed and acted in alternation (turn-taking condition), whereas the other half observed several times in a row before acting (blocked condition). Replicating previous findings, infants showed significant 6- to 9-Hz mu suppression (indicating motor activation) during execution and observation (n = 24). In addition, a condition (turn-taking or blocked) by time (action start or end) interaction indicated that infants engaged in turn-taking (n = 9), but not in the blocked context (n = 15), showed more mirroring when observing the action start compared with the action end. Exploratory analyses further suggest that (a) there is higher visual-motor functional connectivity in turn-taking toward the action's end, (b) mirroring relates to later visual-motor connectivity, and (c) visual attention as indexed by occipital alpha is enhanced in turn-taking compared with the blocked context. Together, this suggests that the neural processing of others' actions is modulated by the social context in infancy and that turn-taking may be particularly effective in engaging infants' action perception system.
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Affiliation(s)
- Marlene Meyer
- Department of Psychology, University of Chicago, Chicago, IL 60637, USA; Donders Institute, Radboud University, 6525 GD Nijmegen, the Netherlands.
| | - Haerin Chung
- Department of Psychology, University of Chicago, Chicago, IL 60637, USA
| | - Ranjan Debnath
- Leibniz Institute for Neurobiology, 39118 Magdeburg, Germany
| | - Nathan Fox
- Child Development Lab, Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20742, USA
| | - Amanda L Woodward
- Department of Psychology, University of Chicago, Chicago, IL 60637, USA
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26
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Byrne A, Hewitt D, Henderson J, Newton-Fenner A, Roberts H, Tyson-Carr J, Fallon N, Giesbrecht T, Stancak A. Investigating the effect of losses and gains on effortful engagement during an incentivized Go/NoGo task through anticipatory cortical oscillatory changes. Psychophysiology 2021; 59:e13897. [PMID: 34251684 DOI: 10.1111/psyp.13897] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 05/02/2021] [Accepted: 06/09/2021] [Indexed: 11/29/2022]
Abstract
Losses usually have greater subjective value (SV) than gains of equal nominal value but often cause a relative deterioration in effortful performance. Since losses and gains induce differing approach/avoidance behavioral tendencies, we explored whether incentive type interacted with approach/avoidance motor-sets. Alpha- and beta-band event-related desynchronization (ERD) was hypothesized to be weakest when participants expected a loss and prepared an inhibitory motor-set, and strongest when participants expected a gain and prepared an active motor-set. It was also hypothesized that effort would modulate reward and motor-set-related cortical activation patterns. Participants completed a cued Go/NoGo task while expecting a reward (+10p), avoiding a loss (-10p), or receiving no incentive (0p); and while expecting a NoGo cue with a probability of either .75 or .25. Pre-movement alpha- and beta-band EEG power was analyzed using the ERD method, and the SV of effort was evaluated using a cognitive effort discounting task. Gains incentivized faster RTs and stronger preparatory alpha band ERD compared to loss and no incentive conditions, while inhibitory motor-sets resulted in significantly weaker alpha-band ERD. However, there was no interaction between incentive and motor-sets. Participants were more willing to expend effort in losses compared to gain trials, although the SV of effort was not associated with ERD patterns or RTs. Results suggest that incentive and approach/avoidance motor tendencies modulate cortical activations prior to a speeded RT movement independently, and are not associated with the economic value of effort. The present results favor attentional explanations of the effect of incentive modality on effort.
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Affiliation(s)
- Adam Byrne
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK.,Institute for Risk and Uncertainty, University of Liverpool, Liverpool, UK
| | - Danielle Hewitt
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK
| | - Jessica Henderson
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK
| | - Alice Newton-Fenner
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK.,Institute for Risk and Uncertainty, University of Liverpool, Liverpool, UK
| | - Hannah Roberts
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK
| | - John Tyson-Carr
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK
| | - Nick Fallon
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK
| | | | - Andrej Stancak
- Department of Psychological Sciences, University of Liverpool, Liverpool, UK.,Institute for Risk and Uncertainty, University of Liverpool, Liverpool, UK
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27
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Rodrigues J, Weiß M, Hewig J, Allen JJB. EPOS: EEG Processing Open-Source Scripts. Front Neurosci 2021; 15:660449. [PMID: 34163321 PMCID: PMC8215552 DOI: 10.3389/fnins.2021.660449] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/11/2021] [Indexed: 11/13/2022] Open
Abstract
Background Since the replication crisis, standardization has become even more important in psychological science and neuroscience. As a result, many methods are being reconsidered, and researchers’ degrees of freedom in these methods are being discussed as a potential source of inconsistencies across studies. New Method With the aim of addressing these subjectivity issues, we have been working on a tutorial-like EEG (pre-)processing pipeline to achieve an automated method based on the semi-automated analysis proposed by Delorme and Makeig. Results Two scripts are presented and explained step-by-step to perform basic, informed ERP and frequency-domain analyses, including data export to statistical programs and visual representations of the data. The open-source software EEGlab in MATLAB is used as the data handling platform, but scripts based on code provided by Mike Cohen (2014) are also included. Comparison with existing methods This accompanying tutorial-like article explains and shows how the processing of our automated pipeline affects the data and addresses, especially beginners in EEG-analysis, as other (pre)-processing chains are mostly targeting rather informed users in specialized areas or only parts of a complete procedure. In this context, we compared our pipeline with a selection of existing approaches. Conclusion The need for standardization and replication is evident, yet it is equally important to control the plausibility of the suggested solution by data exploration. Here, we provide the community with a tool to enhance the understanding and capability of EEG-analysis. We aim to contribute to comprehensive and reliable analyses for neuro-scientific research.
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Affiliation(s)
- Johannes Rodrigues
- Department of Psychology I: Differential Psychology, Personality Psychology and Psychological Diagnostics, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Martin Weiß
- Department of Psychology I: Differential Psychology, Personality Psychology and Psychological Diagnostics, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Johannes Hewig
- Department of Psychology I: Differential Psychology, Personality Psychology and Psychological Diagnostics, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - John J B Allen
- Department of Psychology, University of Arizona, Tucson, AZ, United States
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28
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Nijssen SRR, Pletti C, Paulus M, Müller BCN. Does agency matter? Neural processing of robotic movements in 4- and 8-year olds. Neuropsychologia 2021; 157:107853. [PMID: 33891957 DOI: 10.1016/j.neuropsychologia.2021.107853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 03/25/2021] [Accepted: 04/01/2021] [Indexed: 10/21/2022]
Abstract
Despite the increase in interactions between children and robots, our understanding of children's neural processing of robotic movements is limited. The current study theorized that motor resonance hinges on the agency of an actor: its ability to perform actions volitionally. As one of the first studies with a cross-sectional sample of preschoolers and older children and with a specific focus on robotic action (rather than abstract non-human action), the current study investigated whether the perceived agency of a robot moderated children's motor resonance for robotic movements, and whether this changed with age. Motor resonance was measured using electroencephalography (EEG) by assessing mu power while 4 and 8-year-olds observed actions performed by agentic versus non-agentic robots and humans. Results show that older children resonated more strongly with non-agentic than agentic robotic or human movement, while no such differences were found for preschoolers. This outcome is discussed in terms of a predictive coding account of motor resonance. Importantly, these findings contribute to the existing set of studies on this topic by showing that, while keeping all kinematic information constant, there is a clear developmental difference in how children process robotic movement depending on the level of agency of a robot.
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Affiliation(s)
- Sari R R Nijssen
- Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands; Department of Psychology, Ludwig-Maximilians-Universität München, Munich, Germany.
| | - Carolina Pletti
- Department of Psychology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Markus Paulus
- Department of Psychology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Barbara C N Müller
- Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands
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29
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Condy EE, Miguel HO, Millerhagen J, Harrison D, Khaksari K, Fox N, Gandjbakhche A. Characterizing the Action-Observation Network Through Functional Near-Infrared Spectroscopy: A Review. Front Hum Neurosci 2021; 15:627983. [PMID: 33679349 PMCID: PMC7930074 DOI: 10.3389/fnhum.2021.627983] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/18/2021] [Indexed: 12/19/2022] Open
Abstract
Functional near-infrared spectroscopy (fNIRS) is a neuroimaging technique that has undergone tremendous growth over the last decade due to methodological advantages over other measures of brain activation. The action-observation network (AON), a system of brain structures proposed to have “mirroring” abilities (e.g., active when an individual completes an action or when they observe another complete that action), has been studied in humans through neural measures such as fMRI and electroencephalogram (EEG); however, limitations of these methods are problematic for AON paradigms. For this reason, fNIRS is proposed as a solution to investigating the AON in humans. The present review article briefly summarizes previous neural findings in the AON and examines the state of AON research using fNIRS in adults. A total of 14 fNIRS articles are discussed, paying particular attention to methodological choices and considerations while summarizing the general findings to aid in developing better protocols to study the AON through fNIRS. Additionally, future directions of this work are discussed, specifically in relation to researching AON development and potential multimodal imaging applications.
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Affiliation(s)
- Emma E Condy
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD, United States
| | - Helga O Miguel
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD, United States
| | - John Millerhagen
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD, United States
| | - Doug Harrison
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD, United States
| | - Kosar Khaksari
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD, United States
| | - Nathan Fox
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, United States
| | - Amir Gandjbakhche
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD, United States
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30
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de Klerk CCJM, Kampis D. Is motor cortex deactivation during action observation related to imitation in infancy? A commentary on Köster et al., 2020. Neuroimage 2021; 234:117848. [PMID: 33582275 DOI: 10.1016/j.neuroimage.2021.117848] [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: 07/15/2020] [Revised: 11/19/2020] [Accepted: 02/06/2021] [Indexed: 11/18/2022] Open
Abstract
Sensorimotor alpha suppression is present both during the observation and execution of actions, and is a commonly used tool to investigate neural mirroring in infancy. Köster et al. (2020) used this measure to investigate infants' motor cortex activation during the observation of action demonstrations and its relationship to subsequent imitation of these actions. Contrary to what is implied in the paper and to common findings in the literature, the study's results appear to suggest that the motor system was deactivated during the observation of the actions, and that greater deactivation during action observation was associated with a greater tendency to copy the action. Here we present potential methodological explanations for these unexpected findings and discuss them in relation to common recommendations in the field.
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Affiliation(s)
| | - Dora Kampis
- Department of Psychology, University of Copenhagen, Copenhagen, Denmark
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31
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George KA, Damiano DL, Kim Y, Bulea TC. Mu Rhythm during Standing and Walking Is Altered in Children with Unilateral Cerebral Palsy Compared to Children with Typical Development. Dev Neurorehabil 2021; 24:8-17. [PMID: 32372674 DOI: 10.1080/17518423.2020.1756005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Background: Rehabilitation in cerebral palsy (CP) seeks to harness neuroplasticity to improve movement, including walking, yet cortical activation underlying gait is not well understood. Methods: We used electroencephalography (EEG) to compare motor related cortical activity, measured by mu rhythm, during quiet standing and treadmill walking in 10 children with unilateral CP and 10 age- and sex-matched children with typical development (TD). Peak mu band frequency, mu rhythm desynchronization (MRD), and gait related intra- and inter-hemispheric coherence were examined. Results: MRD during walking was observed bilaterally over motor cortex in both cohorts but peak mu band frequency showing MRD was significantly lower in CP compared to TD. Coherence during quiet standing between motor and frontal regions was significantly higher in the non-dominant compared to dominant hemisphere in CP with no hemispheric differences in TD. Conclusions: EEG-based measures should be further investigated as clinical biomarkers for atypical motor development and to assess rehabilitation effectiveness.
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Affiliation(s)
| | | | - Yushin Kim
- National Institutes of Health , Bethesda, MD, USA.,Cheongju University , Cheongju, Republic of Korea
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32
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Schaworonkow N, Voytek B. Longitudinal changes in aperiodic and periodic activity in electrophysiological recordings in the first seven months of life. Dev Cogn Neurosci 2020; 47:100895. [PMID: 33316695 PMCID: PMC7734223 DOI: 10.1016/j.dcn.2020.100895] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/30/2020] [Accepted: 12/05/2020] [Indexed: 12/26/2022] Open
Abstract
Neuronal oscillations emerge in early human development. These periodic oscillations are thought to rapidly change in infancy and stabilize during maturity. Given their numerous connections to physiological and cognitive processes, understanding the trajectory of oscillatory development is important for understanding healthy human brain development. This understanding is complicated by recent evidence that assessment of periodic neuronal oscillations is confounded by aperiodic neuronal activity, an inherent feature of electrophysiological recordings. Recent cross-sectional evidence shows that this aperiodic signal progressively shifts from childhood through early adulthood, and from early adulthood into later life. None of these studies, however, have been performed in infants, nor have they been examined longitudinally. Here, we analyzed longitudinal non-invasive EEG data from 22 typically developing infants, ranging between 38 and 203 days old. We show that the progressive flattening of the EEG power spectrum begins in very early development, continuing through the first months of life. These results highlight the importance of separating the periodic and aperiodic neuronal signals, because the aperiodic signal can bias measurement of neuronal oscillations. Given the infrequent, bursting nature of oscillations in infants, we recommend using quantitative time domain approaches that isolate bursts and uncover changes in waveform properties of oscillatory bursts. We assess oscillatory and aperiodic activity in longitudinal infant EEG recordings. Infant EEG activity is predominantly of aperiodic nature. The aperiodic exponent shows a strong decrease in the first half year of life. We confirm a developmental increase in alpha-frequency of infant oscillatory bursts.
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Affiliation(s)
- Natalie Schaworonkow
- Department of Cognitive Science, University of California, San Diego, La Jolla, CA, USA.
| | - Bradley Voytek
- Department of Cognitive Science, University of California, San Diego, La Jolla, CA, USA; Halıcıoğlu Data Science Institute, University of California, San Diego, La Jolla, CA, USA; Neurosciences Graduate Program, University of California, San Diego, La Jolla, CA, USA; Kavli Institute for Brain and Mind, University of California, San Diego, La Jolla, CA, USA
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33
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Hwang HG, Debnath R, Meyer M, Salo VC, Fox NA, Woodward A. Neighborhood racial demographics predict infants' neural responses to people of different races. Dev Sci 2020; 24:e13070. [PMID: 33277794 DOI: 10.1111/desc.13070] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 11/27/2022]
Abstract
Early in life, greater exposure to diverse people can change the tendency to prefer one's own social group. For instance, infants from racially diverse environments show less preference for their own-race (ingroup) over other-race (outgroup) faces than infants from racially homogeneous environments. Yet how social environment changes ingroup versus outgroup demarcation in infancy remains unclear. A commonly held assumption is that early emerging ingroup preference is based on an affective process: feeling more comfortable with familiar ingroup than unfamiliar outgroup members. However, other processes may also underlie ingroup preference: Infants may attend more to ingroup than outgroup members and/or mirror the actions of ingroup over outgroup individuals. By aggregating 7- to 12-month-old infants' electroencephalography (EEG) activity across three studies, we disambiguate these different processes in the EEG oscillations of preverbal infants according to social environment. White infants from more racially diverse neighborhoods exhibited greater frontal theta oscillation (an index of top-down attention) and more mu rhythm desynchronization (an index of motor system activation and potentially neural mirroring) to racial outgroup individuals than White infants from less racially diverse neighborhoods. Neighborhood racial demographics did not relate to White infants' frontal alpha asymmetry (a measure of approach-withdrawal motivation) toward racial outgroup individuals. Racial minority infants showed no effects of neighborhood racial demographics in their neural responses to racial outgroup individuals. These results indicate that neural mechanisms that may underlie social bias and prejudices are related to neighborhood racial demographics in the first year of life.
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Affiliation(s)
- Hyesung G Hwang
- Department of Psychology, University of Chicago, Chicago, IL, USA
| | - Ranjan Debnath
- Department of Human Development and Quantitative Methodology, University of Maryland. College Park, MD, USA.,Leibniz Institute for Neurobiology, Magdeburg, Germany
| | - Marlene Meyer
- Department of Psychology, University of Chicago, Chicago, IL, USA.,Donders Institute for Brain, Cognition, and Behavior, Radboud University, Nijmegen, Netherlands
| | - Virginia C Salo
- Department of Human Development and Quantitative Methodology, University of Maryland. College Park, MD, USA.,Department of Psychology and Human Development, Vanderbilt University. Nashville, TN, USA
| | - Nathan A Fox
- Department of Human Development and Quantitative Methodology, University of Maryland. College Park, MD, USA
| | - Amanda Woodward
- Department of Psychology, University of Chicago, Chicago, IL, USA
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34
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Enhanced mirroring upon mutual gaze: multimodal evidence from TMS-assessed corticospinal excitability and the EEG mu rhythm. Sci Rep 2020; 10:20449. [PMID: 33235329 PMCID: PMC7687883 DOI: 10.1038/s41598-020-77508-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 11/11/2020] [Indexed: 01/10/2023] Open
Abstract
Previous research has demonstrated that eye contact between actor and observer specifically enhances the 'mirroring' of others' actions, as measured by transcranial magnetic stimulation (TMS)-induced motor evoked potentials (MEPs). However, it remains unknown whether other markers of mirror system activation, such as suppression of the EEG mu rhythm (8-13 Hz) over the sensorimotor strip, are also susceptible to perceived eye contact. Here, both TMS-induced MEPs and EEG mu suppression indices were assessed (in separate sessions) while 32 participants (mean age: 24y; 8m) observed a simple hand movement combined with direct or averted gaze from the actor. Both measures were significantly modulated by perceived eye gaze during action observation; showing an increase in MEP amplitude and an attenuation of the mu rhythm during direct vs. averted gaze. Importantly, while absolute MEP and mu suppression scores were not related, a significant association was identified between gaze-related changes in MEPs and mu suppression, indicating that both measures are similarly affected by the modulatory impact of gaze cues. Our results suggest that although the neural substrates underlying TMS-induced MEPs and the EEG mu rhythm may differ, both are sensitive to the social relevance of the observed actions, which might reflect a similar neural gating mechanism.
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35
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Abstract
Several adult studies have proved the existence of a shared neural circuit in the somatosensory cortices that responds to both the body being touched and the sight of the body being touched. Despite the fundamental role of touch in infancy, the existence of similar visuo-tactile mirroring processes, supporting both felt and seen touch, still needs an in-depth empirical investigation. To this aim, we explored 8-month-olds mu desynchronization over somatosensory sites in response to felt and observed touch in a live experimental setting. EEG desynchronization (6-8 Hz mu frequency range) was measured during three experimental conditions: i) infants were stroked on their right hand by a parent (Touch condition); ii) infants observed a right hand being stroked (Observation Touch condition); iii) infants observed a right hand moving over the left hand without making contact (Action Control condition). Mu desynchronization of somatosensory sites contralateral to the hand being stroked emerged in response to both Touch and Observation Touch conditions, but not in the Action control condition. Further, greater mu desynchronization was found in the Touch and Observation Touch conditions as compared to the Action control condition. Our results highlight the early involvement of a shared somatosensory system, likely supporting infants' understanding of others' tactile sensations.
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Affiliation(s)
- Margaret Addabbo
- Department of Psychology, University of Milan-Bicocca , Milano, Italy.,NeuroMi, Milan Center for Neuroscience , Milano, Italy
| | - Ermanno Quadrelli
- Department of Psychology, University of Milan-Bicocca , Milano, Italy.,NeuroMi, Milan Center for Neuroscience , Milano, Italy
| | - Nadia Bolognini
- Department of Psychology, University of Milan-Bicocca , Milano, Italy.,NeuroMi, Milan Center for Neuroscience , Milano, Italy
| | - Elena Nava
- Department of Psychology, University of Milan-Bicocca , Milano, Italy.,NeuroMi, Milan Center for Neuroscience , Milano, Italy
| | - Chiara Turati
- Department of Psychology, University of Milan-Bicocca , Milano, Italy.,NeuroMi, Milan Center for Neuroscience , Milano, Italy
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36
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Meyer M, Endedijk HM, Hunnius S. Intention to imitate: Top-down effects on 4-year-olds' neural processing of others' actions. Dev Cogn Neurosci 2020; 45:100851. [PMID: 32890960 PMCID: PMC7481529 DOI: 10.1016/j.dcn.2020.100851] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 07/28/2020] [Accepted: 08/25/2020] [Indexed: 11/25/2022] Open
Abstract
From early in life, we activate our neural motor system when observing others' actions. In adults, this so-called mirroring is modulated not only by the saliency of an action but also by top-down processes, like the intention to imitate it. Yet, it remains unknown whether neural processing of others' actions can be modulated by top-down processes in young children who heavily rely on learning from observing and imitating others but also still develop top-down control skills. Using EEG, we examined whether the intention to imitate increases 4-year-olds' motor activation while observing others' actions. In a within-subjects design, children observed identical actions preceded by distinct instructions, namely to either imitate the action or to name the toy's color. As motor activation index, children's alpha (7-12 Hz) and beta (16-20 Hz) power over motor cortices was analyzed. The results revealed more motor activity reflected by significantly lower beta power for the Imitation compared to the Color-naming Task. The same conditional difference, although differently located, was detected for alpha power. Together, our results show that children's neural processing of others' actions was amplified by their intention to imitate the action. Thus, already at age 4 top-down attention to others' actions can modulate neural action processing.
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Affiliation(s)
- Marlene Meyer
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, the Netherlands; Department of Psychology, University of Chicago, USA.
| | | | - Sabine Hunnius
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, the Netherlands
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37
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van der Velde B, Junge C. Limiting data loss in infant EEG: putting hunches to the test. Dev Cogn Neurosci 2020; 45:100809. [PMID: 32658760 PMCID: PMC7358181 DOI: 10.1016/j.dcn.2020.100809] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 05/29/2020] [Accepted: 06/23/2020] [Indexed: 12/18/2022] Open
Abstract
EEG is a widely used tool to study the infant brain and its relationship with behavior. As infants usually have small attention spans, move at free will, and do not respond to task instructions, attrition rates are usually high. Increasing our understanding of what influences data loss is therefore vital. The current paper examines external factors to data loss in a large-scale on-going longitudinal study (the YOUth project; 1279 five-month-olds, 1024 ten-months-olds, and 109 three-year-olds). Data loss is measured for both continuous EEG and ERP tasks as the percentage data loss after artifact removal. Our results point to a wide array of external factors that contribute to data loss, some related to the child (e.g., gender; age; head shape) and some related to experimental settings (e.g., choice of research assistant; time of day; season; and course of the experiment). Data loss was also more pronounced in the ERP experiment than in the EEG experiment. Finally, evidence was found for within-subject stability in data loss characteristics over multiple sessions. We end with recommendations to limit data loss in future studies.
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Affiliation(s)
- Bauke van der Velde
- Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands; Developmental Psychology, Utrecht University, Utrecht, The Netherlands.
| | - Caroline Junge
- Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands; Developmental Psychology, Utrecht University, Utrecht, The Netherlands
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38
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Individual differences in anticipatory mu rhythm modulation are associated with executive function and processing speed. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2020; 20:901-916. [PMID: 32794102 DOI: 10.3758/s13415-020-00809-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
There is increasing interest in the role of brain oscillations in the regulation and control of behavior. The current study examined the relations between specific cognitive abilities and changes in brain oscillatory activity during anticipation of, and in response to, tactile stimulation of the hand. The oscillation of interest was the sensorimotor mu rhythm (8-14 Hz) at central electrode sites. The electroencephalogram (EEG) was recorded during a task in which a visuospatial cue directed adults (N = 40) that a tactile stimulus would be delivered to their left or right hand. Lateralized changes in mu power following tactile stimulation were associated with reaction time to the tactile stimulus. The extent of a contralateral anticipatory reduction in mu power during the 500 ms before the tactile stimulus was associated with performance on a separate processing speed task. Changes in ipsilateral mu power during anticipation of the tactile stimulus were associated with performance on a flanker task and were marginally correlated with performance on a card sort task. Regression analyses further indicated the specificity of these relations to anticipatory changes in mu power. In summary, mu rhythm modulation during anticipation of tactile stimulation to a specific bodily location was related to a broad measure of processing speed and to variability in the broader ability to regulate behavior in a goal-directed manner. Implications are discussed in terms of the foundational role of anticipatory attention in cognitive processes and the utility of selective attention to the body as an index of attentional control more broadly.
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Importance of body representations in social-cognitive development: New insights from infant brain science. PROGRESS IN BRAIN RESEARCH 2020; 254:25-48. [PMID: 32859291 DOI: 10.1016/bs.pbr.2020.07.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
There is significant interest in the ways the human body, both one's own and that of others, is represented in the human brain. In this chapter we focus on body representations in infancy and synthesize relevant findings from both infant cognitive neuroscience and behavioral experiments. We review six experiments in infant neuroscience that have used novel EEG and MEG methods to explore infant neural body maps. We then consider results from behavioral studies of social imitation and examine what they contribute to our understanding of infant body representations at a psychological level. Finally, we interweave both neuroscience and behavioral lines of research to ground new theoretical claims about early infant social cognition. We propose, based on the evidence, that young infants can represent the bodily acts of others and their own bodily acts in commensurate terms. Infants initially recognize correspondences between self and other-they perceive that others are "like me" in terms of bodies and bodily actions. This capacity for registering and using self-other equivalence mappings has far-reaching implications for mechanisms of developmental change. Infants can learn about the affordances and powers of their own body by watching adults' actions and their causal consequences. Reciprocally, infants can enrich their understanding of other people's internal states by taking into account the way they themselves feel when they perform similar acts. The faces, bodies, and matching actions of people are imbued with unique meaning because they can be mapped to the infant's own body and behavior.
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Theory of Mind Deficits and Neurophysiological Operations in Autism Spectrum Disorders: A Review. Brain Sci 2020; 10:brainsci10060393. [PMID: 32575672 PMCID: PMC7349236 DOI: 10.3390/brainsci10060393] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/16/2020] [Accepted: 06/18/2020] [Indexed: 02/01/2023] Open
Abstract
Theory of Mind (ToM) is a multifaceted skill set which encompasses a variety of cognitive and neurobiological aspects. ToM deficits have long been regarded as one of the most disabling features in individuals with Autism Spectrum Disorder. One of the theories that attempts to account for these impairments is that of “broken mirror neurons”. The aim of this review is to present the most recent available studies with respect to the connection between the function of mirror neurons in individuals with ASD and ToM-reflecting sensorimotor, social and attentional stimuli. The majority of these studies approach the theory of broken mirror neurons critically. Only studies from the last 15 years have been taken into consideration. Findings from electroencephalography (EEG) studies so far indicate that further research is necessary to shed more light on the mechanisms underlying the connection(s) between ToM and neurophysiological operations.
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Short MR, Damiano DL, Kim Y, Bulea TC. Children With Unilateral Cerebral Palsy Utilize More Cortical Resources for Similar Motor Output During Treadmill Gait. Front Hum Neurosci 2020; 14:36. [PMID: 32153376 PMCID: PMC7047842 DOI: 10.3389/fnhum.2020.00036] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/27/2020] [Indexed: 12/23/2022] Open
Abstract
Children with unilateral cerebral palsy (CP) walk independently although with an asymmetrical, more poorly coordinated pattern compared to their peers. While gait biomechanics in unilateral CP and their alteration from those without CP have been well documented, cortical mechanisms underlying gait remain inadequately understood. To the best of our knowledge, this is the first study utilizing electroencephalography (EEG) during treadmill gait in older children with and without CP. Lower limb surface electromyographic (EMG) data were collected and muscle synergy analyses performed to quantify motor output. Our primary goal was to evaluate the relationships between cortical and muscle activation within and across groups and hemispheres to provide novel insights into neural control of gait and how it may be disrupted by an early unilateral brain injury. Participants included 9 children with unilateral CP, mean age 16.0 ± 2.7 years, and 12 with typical development (TD), mean age 14.8 ± 3.0 years. EEG data were collected during a standing baseline and treadmill walking at self-selected speed. EMG of 16 lower limb muscles were also collected bilaterally and synchronized with EEG. No significant group differences were found in synergy number or structure across groups. Six cortical clusters were identified as having gait-related activation and all contained participants from both CP and TD groups; however, the percent of individuals per group appearing in different clusters varied. Notably, the cluster least represented in CP was the non-dominant motor region. Both groups showed mu-band ERD in the motor clusters during gait although sustained beta-band ERD was not evident in TD. The CP group showed greater cortical activation than TD during walking as measured by mu- and beta-ERD in the dominant and non-dominant motor and parietal regions and elevated low gamma-activity in the frontal and parietal areas, a unique finding in CP. CP showed greater bilateral motor EEG-EMG coherence in the gamma-band with the hallucis longus compared to TD. In summary, individuals with CP display increased cortical activation during gait possibly relating to differences in distal motor control of the more affected side. Strategies that iteratively reduce cortical activation while improving selective motor control are needed in CP.
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Affiliation(s)
- Matthew R. Short
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, United States
| | - Diane L. Damiano
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, United States
| | - Yushin Kim
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, United States
- Sports Health Rehabilitation, Cheongju University, Cheongju, South Korea
| | - Thomas C. Bulea
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, United States
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Eighteen-month-olds integrate verbal cues into their action processing: Evidence from ERPs and mu power. Infant Behav Dev 2020; 58:101414. [PMID: 31986314 DOI: 10.1016/j.infbeh.2019.101414] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 11/20/2022]
Abstract
Behavioral research has shown that infants use both behavioral cues and verbal cues when processing the goals of others' actions. For instance, 18-month-olds selectively imitate an observed goal-directed action depending on its (in)congruence with a model's previous verbal announcement of a desired action goal. This EEG-study analyzed the electrophysiological underpinnings of these behavioral findings on the two functional levels of conceptual action processing and motor activation. Mid-latency mean negative ERP amplitude and mu-frequency band power were analyzed while 18-month-olds (N = 38) watched videos of an adult who performed one out of two potential actions on a novel object. In a within-subjects design, the action demonstration was preceded by either a congruent or an incongruent verbally announced action goal (e.g., "up" or "down" and upward movement). Overall, ERP negativity did not differ between conditions, but a closer inspection revealed that in two subgroups, about half of the infants showed a broadly distributed increased mid-latency ERP negativity (indicating enhanced conceptual action processing) for either the congruent or the incongruent stimuli, respectively. As expected, mu power at sensorimotor sites was reduced (indicating enhanced motor activation) for congruent relative to incongruent stimuli in the entire sample. Both EEG correlates were related to infants' language skills. Hence, 18-month-olds integrate action-goal-related verbal cues into their processing of others' actions, at the functional levels of both conceptual processing and motor activation. Further, cue integration when inferring others' action goals is related to infants' language proficiency.
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Stolk A, Brinkman L, Vansteensel MJ, Aarnoutse E, Leijten FSS, Dijkerman CH, Knight RT, de Lange FP, Toni I. Electrocorticographic dissociation of alpha and beta rhythmic activity in the human sensorimotor system. eLife 2019; 8:e48065. [PMID: 31596233 PMCID: PMC6785220 DOI: 10.7554/elife.48065] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 09/10/2019] [Indexed: 11/13/2022] Open
Abstract
This study uses electrocorticography in humans to assess how alpha- and beta-band rhythms modulate excitability of the sensorimotor cortex during psychophysically-controlled movement imagery. Both rhythms displayed effector-specific modulations, tracked spectral markers of action potentials in the local neuronal population, and showed spatially systematic phase relationships (traveling waves). Yet, alpha- and beta-band rhythms differed in their anatomical and functional properties, were weakly correlated, and traveled along opposite directions across the sensorimotor cortex. Increased alpha-band power in the somatosensory cortex ipsilateral to the selected arm was associated with spatially-unspecific inhibition. Decreased beta-band power over contralateral motor cortex was associated with a focal shift from relative inhibition to excitation. These observations indicate the relevance of both inhibition and disinhibition mechanisms for precise spatiotemporal coordination of movement-related neuronal populations, and illustrate how those mechanisms are implemented through the substantially different neurophysiological properties of sensorimotor alpha- and beta-band rhythms.
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Affiliation(s)
- Arjen Stolk
- Helen Wills Neuroscience InstituteUniversity of California, BerkeleyBerkeleyUnited States
- Donders Institute for Brain, Cognition, and BehaviourRadboud UniversityNijmegenNetherlands
| | - Loek Brinkman
- Department of Neurology and Neurosurgery, UMC Utrecht Brain CenterUMC UtrechtUtrechtNetherlands
| | - Mariska J Vansteensel
- Department of Neurology and Neurosurgery, UMC Utrecht Brain CenterUMC UtrechtUtrechtNetherlands
| | - Erik Aarnoutse
- Department of Neurology and Neurosurgery, UMC Utrecht Brain CenterUMC UtrechtUtrechtNetherlands
| | - Frans SS Leijten
- Department of Neurology and Neurosurgery, UMC Utrecht Brain CenterUMC UtrechtUtrechtNetherlands
| | - Chris H Dijkerman
- Helmholtz Institute, Experimental PsychologyUtrecht UniversityUtrechtNetherlands
| | - Robert T Knight
- Helen Wills Neuroscience InstituteUniversity of California, BerkeleyBerkeleyUnited States
| | - Floris P de Lange
- Donders Institute for Brain, Cognition, and BehaviourRadboud UniversityNijmegenNetherlands
| | - Ivan Toni
- Donders Institute for Brain, Cognition, and BehaviourRadboud UniversityNijmegenNetherlands
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Quadrelli E, Geangu E, Turati C. Human action sounds elicit sensorimotor activation early in life. Cortex 2019; 117:323-335. [DOI: 10.1016/j.cortex.2019.05.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 12/24/2018] [Accepted: 05/03/2019] [Indexed: 11/29/2022]
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Quadrelli E, Roberti E, Turati C, Craighero L. Observation of the point-light animation of a grasping hand activates sensorimotor cortex in nine-month-old infants. Cortex 2019; 119:373-385. [PMID: 31401422 DOI: 10.1016/j.cortex.2019.07.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/27/2019] [Accepted: 07/09/2019] [Indexed: 11/20/2022]
Abstract
Measuring changes in sensorimotor alpha band activity in nine-month-old infants we sought to understand the involvement of the sensorimotor cortex during observation of the Point-Light (PL) animation of a grasping hand. Attenuation of alpha activity was found both when the PL display moved towards the to-be-grasped object and when the object was deleted from the video. Before the beginning of the movement of the PL stimuli, only in the presence of the object evoked attenuation of sensorimotor alpha activity was documented, possibly interpreted either as movement prediction or as graspable object perception. Our main findings demonstrate that, during observation of stimuli moving with biological kinematics, the infants' sensorimotor system is activated when the pictorial information is absent or highly reduced, and independently of the presence of the goal-directed object. The possible compensatory function of the sensorimotor system during observation of highly degraded moving stimuli is discussed.
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Affiliation(s)
- Ermanno Quadrelli
- Department of Psychology, University of Milano-Bicocca, Italy; NeuroMI, Milan Center for Neuroscience, Italy
| | - Elisa Roberti
- Department of Psychology, University of Milano-Bicocca, Italy; NeuroMI, Milan Center for Neuroscience, Italy
| | - Chiara Turati
- Department of Psychology, University of Milano-Bicocca, Italy; NeuroMI, Milan Center for Neuroscience, Italy
| | - Laila Craighero
- Department of Biomedical and Specialty Surgical Sciences, University of Ferrara, Italy.
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Démas J, Bourguignon M, Périvier M, De Tiège X, Dinomais M, Van Bogaert P. Mu rhythm: State of the art with special focus on cerebral palsy. Ann Phys Rehabil Med 2019; 63:439-446. [PMID: 31299375 DOI: 10.1016/j.rehab.2019.06.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 05/16/2019] [Accepted: 06/10/2019] [Indexed: 01/24/2023]
Abstract
Various specific early rehabilitation strategies are proposed to decrease functional disabilities in patients with cerebral palsy (CP). These strategies are thought to favour the mechanisms of brain plasticity that take place after brain injury. However, the level of evidence is low. Markers of brain plasticity would favour validation of these rehabilitation programs. In this paper, we consider the study of mu rhythm for this goal by describing the characteristics of mu rhythm in adults and children with typical development, then review the current literature on mu rhythm in CP. Mu rhythm is composed of brain oscillations recorded by electroencephalography (EEG) or magnetoencephalography (MEG) over the sensorimotor areas. The oscillations are characterized by their frequency, topography and modulation. Frequency ranges within the alpha band (∼10Hz, mu alpha) or beta band (∼20Hz, mu beta). Source location analyses suggest that mu alpha reflects somatosensory functions, whereas mu beta reflects motor functions. Event-related desynchronisation (ERD) followed by event-related (re-)synchronisation (ERS) of mu rhythm occur in association with a movement or somatosensory input. Even if the functional role of the different mu rhythm components remains incompletely understood, their maturational trajectory is well described. Increasing age from infancy to adolescence is associated with increasing ERD as well as increasing ERS. A few studies characterised mu rhythm in adolescents with spastic CP and showed atypical patterns of modulation in most of them. The most frequent findings in patients with unilateral CP are decreased ERD and decreased ERS over the central electrodes, but atypical topography may also be found. The patterns of modulations are more variable in bilateral CP. Data in infants and young children with CP are lacking and studies did not address the questions of intra-individual reliability of mu rhythm modulations in patients with CP nor their modification after motor learning. Better characterization of mu rhythm in CP, especially in infants and young children, is warranted before considering this rhythm as a potential neurophysiological marker of brain plasticity.
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Affiliation(s)
- Josselin Démas
- Laboratoire Angevin de Recherche en Ingénierie des Systèmes (LARIS), Université d'Angers, France; Institut Régional de Formation aux Métiers de Rééducation et de Réadaptation (IFM3R), Nantes, France.
| | - Mathieu Bourguignon
- Laboratoire de Cartographie Fonctionnelle du Cerveau (LCFC), UNI-ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium; Laboratoire Cognition Language et Développement, UNI-ULB Neuroscience Institute, Université libre de Bruxelles (ULB), Brussels, Belgium; Department of functional Neuroimaging, Service of Nuclear Medicine, CUB Hôpital Erasme, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Maximilien Périvier
- Service de Neuropédiatrie et handicaps de l'enfant, Hôpital pédiatrique Gatien de Clocheville, CHRU de Tours, France; Université de Tours, France
| | - Xavier De Tiège
- Laboratoire de Cartographie Fonctionnelle du Cerveau (LCFC), UNI-ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium; Department of functional Neuroimaging, Service of Nuclear Medicine, CUB Hôpital Erasme, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Mickael Dinomais
- Laboratoire Angevin de Recherche en Ingénierie des Systèmes (LARIS), Université d'Angers, France; Département de Médecine Physique et de Réadaptation, CHU d'Angers-Les Capucins, France
| | - Patrick Van Bogaert
- Laboratoire Angevin de Recherche en Ingénierie des Systèmes (LARIS), Université d'Angers, France; Unité de Neuropédiatrie et de Neurochirurgie de l'enfant, CHU d'Angers, France
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Montirosso R, Piazza C, Giusti L, Provenzi L, Ferrari PF, Reni G, Borgatti R. Exploring the EEG mu rhythm associated with observation and execution of a goal-directed action in 14-month-old preterm infants. Sci Rep 2019; 9:8975. [PMID: 31222153 PMCID: PMC6586615 DOI: 10.1038/s41598-019-45495-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 06/06/2019] [Indexed: 12/01/2022] Open
Abstract
Electroencephalographic mu rhythm desynchronization is thought to reflect Mirror Neuron System (MNS) activity and represents an important neural correlate of the coupling between action execution and perception. It is still unclear if the MNS in human ontogeny is already available at the beginning of postnatal life and how early experience impacts its development. Premature birth provides a "natural condition" for investigating the effects of early, atypical extra-uterine experience on MNS. The main aim of the present study was to investigate whether the MNS activity is associated with prematurity. We compared the mu rhythm activity in preterm (PT) and full-term (FT) 14-month old infants during an action observation/execution (AO/AE) task. Mu rhythm desynchronization was computed over frontal, central, parietal and occipital regions. Both groups showed mu rhythm suppression in all the scalp regions during action execution. Different desynchronization patterns emerged during action observation. Specifically, FT infants showed mu suppression in the right frontal, bilateral parietal and occipital regions; whereas PT infants exhibited mu suppression only in the right parietal region. Overall, these preliminary findings indicate that an atypical extra uterine experience might have an impact on the MNS activity.
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Affiliation(s)
- Rosario Montirosso
- Scientific Institute, IRCCS "E. Medea", 0-3 Center for the at-Risk Infant, Bosisio Parini, Lecco, Italy.
| | - Caterina Piazza
- Scientific Institute, IRCCS "E. Medea", Bioengineering Laboratory, Bosisio Parini, Lecco, Italy
| | - Lorenzo Giusti
- Scientific Institute, IRCCS "E. Medea", 0-3 Center for the at-Risk Infant, Bosisio Parini, Lecco, Italy
| | - Livio Provenzi
- Scientific Institute, IRCCS "E. Medea", 0-3 Center for the at-Risk Infant, Bosisio Parini, Lecco, Italy
| | - Pier Francesco Ferrari
- CNRS/Université Claude Bernard, Institut des Sciences Cognitives Marc Jeannerod, Lyon, France
| | - Gianluigi Reni
- Scientific Institute, IRCCS "E. Medea", Bioengineering Laboratory, Bosisio Parini, Lecco, Italy
| | - Renato Borgatti
- Scientific Institute, IRCCS "E. Medea", Neuropsychiatry and Neurorehabilitation Unit, Bosisio Parini, Lecco, Italy
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Bryant LJ, Cuevas K. Effects of active and observational experience on EEG activity during early childhood. Psychophysiology 2019; 56:e13360. [PMID: 30835864 DOI: 10.1111/psyp.13360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 01/17/2019] [Accepted: 02/10/2019] [Indexed: 11/30/2022]
Abstract
While it is accepted that action experience facilitates action understanding, it is debated whether first-hand motor and visual experience differentially influence this ability. Action understanding relies on relatively broad cortical activity, including that of the neural mirroring and visual attention systems. Infant and adult research has demonstrated that prior motor and visual experience have distinct effects on cortical activity during action perception, though this has yet to be investigated in young children. We used a within-subject design and an at-home training paradigm to manipulate 3- to 6-year-olds' experience with two relatively novel actions. On Days 1-4, children received brief active training with one tool (i.e., motor experience) and observational training with the other tool (i.e., visual experience: video of a demonstrator modeling the action). On Day 5, we measured children's EEG mu/alpha (8-10 Hz) and beta rhythm (16-20 Hz) activity during observation and execution of these actions in the laboratory. Although central-parietal mu and beta rhythm activity did not differ as a function of training condition, desynchronization of the occipital alpha rhythm was greater during perception of the active training task than of the observational training task. Our findings suggest that, during early childhood, action experience may modulate visual attention during subsequent action perception. Further, children exhibited neural mirroring-central-parietal desynchronization during both tool-use action observation and execution-within the mu rhythm, but not the beta rhythm. These findings have significant implications for our understanding of the broad cortical activity that supports action perception during this period.
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Affiliation(s)
- Lauren J Bryant
- Department of Psychological Sciences, University of Connecticut, Storrs, Connecticut
| | - Kimberly Cuevas
- Department of Psychological Sciences, University of Connecticut, Storrs, Connecticut
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Antognini K, Daum MM. Toddlers show sensorimotor activity during auditory verb processing. Neuropsychologia 2019; 126:82-91. [DOI: 10.1016/j.neuropsychologia.2017.07.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 07/18/2017] [Accepted: 07/18/2017] [Indexed: 11/25/2022]
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50
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Monroy CD, Meyer M, Schröer L, Gerson SA, Hunnius S. The infant motor system predicts actions based on visual statistical learning. Neuroimage 2019; 185:947-954. [DOI: 10.1016/j.neuroimage.2017.12.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 09/20/2017] [Accepted: 12/07/2017] [Indexed: 10/18/2022] Open
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