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Era V, Candidi M, Pezzetta R, Pulcini C, D'Antonio S, Zabberoni S, Peppe A, Costa A, Taglieri S, Carlesimo GA, Aglioti SM. The dopaminergic system supports flexible and rewarding dyadic motor interactive behaviour in Parkinson's Disease. Soc Cogn Affect Neurosci 2023; 18:6604233. [PMID: 35674339 PMCID: PMC9949502 DOI: 10.1093/scan/nsac040] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/21/2022] [Accepted: 06/07/2022] [Indexed: 11/13/2022] Open
Abstract
Studies indicate that the dopaminergic system (DAS) supports individual flexible behaviour. While flexibility is quintessential to effective dyadic motor interactions, whether DAS mediates adaptations of one's own motor behaviour to that of a partner is not known. Here, we asked patients with Parkinson's Disease (PD) to synchronize their grasping movements with those of a virtual partner in conditions that did (Interactive) or did not (Cued) require to predict and adapt to its actions. PD performed the task during daily antiparkinsonian treatment ('On' condition) or after drug-withdrawal ('Off' condition). A group of healthy individuals also served as control group. In the Interactive condition, PDs performed better and found the interaction more enjoyable when in 'On' than in 'Off' condition. Crucially, PD performance in the 'On' condition did not differ from that of healthy controls. This pattern of results hints at the key role of the DAS in supporting the flexible adaptation of one's own actions to the partner's during motor interactions.
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Affiliation(s)
- Vanessa Era
- Department of Psychology, Sapienza University, Rome, 00185, Italy.,IRCCS Fondazione Santa Lucia, Rome, 00179, Italy
| | - Matteo Candidi
- Department of Psychology, Sapienza University, Rome, 00185, Italy.,IRCCS Fondazione Santa Lucia, Rome, 00179, Italy
| | | | - Claudia Pulcini
- Department of Psychology, Sapienza University, Rome, 00185, Italy
| | - Sara D'Antonio
- Department of Psychology, Sapienza University, Rome, 00185, Italy
| | | | | | - Alberto Costa
- IRCCS Fondazione Santa Lucia, Rome, 00179, Italy.,Niccolò Cusano University, Rome, 00166, Italy
| | - Sara Taglieri
- IRCCS Fondazione Santa Lucia, Rome, 00179, Italy.,Niccolò Cusano University, Rome, 00166, Italy
| | | | - Salvatore Maria Aglioti
- IRCCS Fondazione Santa Lucia, Rome, 00179, Italy.,Center for Life Nano- and Neuro-Science, Istituto Italiano di Tecnologia, and Sapienza University Rome, Rome, 00161, Italy
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2
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Combined EEG and immersive virtual reality unveil dopaminergic modulation of error monitoring in Parkinson's Disease. NPJ Parkinsons Dis 2023; 9:3. [PMID: 36639384 PMCID: PMC9839679 DOI: 10.1038/s41531-022-00441-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 12/20/2022] [Indexed: 01/15/2023] Open
Abstract
Detecting errors in your own and others' actions is associated with discrepancies between intended and expected outcomes. The processing of salient events is associated with dopamine release, the balance of which is altered in Parkinson's disease (PD). Errors in observed actions trigger various electrocortical indices (e.g. mid-frontal theta, error-related delta, and error positivity [oPe]). However, the impact of dopamine depletion to observed errors in the same individual remains unclear. Healthy controls (HCs) and PD patients observed ecological reach-to-grasp-a-glass actions performed by a virtual arm from a first-person perspective. PD patients were tested under their dopaminergic medication (on-condition) and after dopaminergic withdrawal (off-condition). Analyses of oPe, delta, and theta-power increases indicate that while the formers were elicited after incorrect vs. correct actions in all groups, the latter were observed in on-condition but altered in off-condition PD. Therefore, different EEG error signatures may index the activity of distinct mechanisms, and error-related theta power is selectively modulated by dopamine depletion. Our findings may facilitate discovering dopamine-related biomarkers for error-monitoring dysfunctions that may have crucial theoretical and clinical implications.
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3
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Moreau Q, Tieri G, Era V, Aglioti SM, Candidi M. The performance monitoring system is attuned to others' actions during dyadic motor interactions. Cereb Cortex 2022; 33:222-234. [PMID: 35203090 DOI: 10.1093/cercor/bhac063] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/27/2022] [Accepted: 02/03/2022] [Indexed: 11/14/2022] Open
Abstract
Interpersonal motor interactions require the simultaneous monitoring of one's own and one's partner's actions. To characterize how the action monitoring system tracks self and other behavior during synchronous interactions, we combined electroencephalography recordings and immersive virtual reality in two tasks where participants were asked to synchronize their actions with those of a virtual partner (VP). The two tasks differed in the features to be monitored: the Goal task required participants to predict and monitor the VP's reaching goal; the Spatial task required participants to predict and monitor the VP's reaching trajectory. In both tasks, the VP performed unexpected movement changes to which the participant needed to adapt. By extracting the neural activity locked to the detection of unexpected changes in the VP's action (other-monitoring) or to the participants' action-replanning (self-monitoring), we show that the monitoring system is more attuned to others' than to one's own actions. Additionally, distinctive neural responses to VP's unexpected goals and trajectory corrections were found: goal changes were reflected both in early fronto-central and later posterior neural responses while trajectory deviations were reflected only in later posterior responses. Altogether, our results indicate that the monitoring system adopts an inherent social mode to handle interpersonal motor interactions.
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Affiliation(s)
- Quentin Moreau
- Department of Psychology, Sapienza University, 00185, Rome, Italy.,IRCCS Fondazione Santa Lucia, 00179, Rome, Italy
| | - Gaetano Tieri
- IRCCS Fondazione Santa Lucia, 00179, Rome, Italy.,Virtual Reality Lab, Unitelma Sapienza University, 00161, Rome, Italy
| | - Vanessa Era
- Department of Psychology, Sapienza University, 00185, Rome, Italy.,IRCCS Fondazione Santa Lucia, 00179, Rome, Italy
| | - Salvatore Maria Aglioti
- IRCCS Fondazione Santa Lucia, 00179, Rome, Italy.,Center for Life Nano- & Neuro-Science, Fondazione Istituto Italiano di Tecnologia and Sapienza University, 00161, Rome, Italy
| | - Matteo Candidi
- Department of Psychology, Sapienza University, 00185, Rome, Italy.,IRCCS Fondazione Santa Lucia, 00179, Rome, Italy
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Boukarras S, Özkan DG, Era V, Moreau Q, Tieri G, Candidi M. Midfrontal Theta tACS Facilitates Motor Coordination in Dyadic Human-Avatar Interactions. J Cogn Neurosci 2022; 34:897-915. [PMID: 35171250 DOI: 10.1162/jocn_a_01834] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Synchronous interpersonal motor interactions require moment-to-moment prediction and proactive monitoring of the partner's actions. Neurophysiologically, this is highlighted by an enhancement of midfrontal theta (4-7 Hz) oscillations. In this study, we explored the causal role of midfrontal theta for interpersonal motor interactions using transcranial alternating current stimulation (tACS). We implemented a realistic human-avatar interaction task in immersive virtual reality where participants controlled a virtual arm and hand to press a button synchronously with a virtual partner. Participants completed the task while receiving EEG-informed theta (Experiment 1) or beta (control frequency, Experiment 2) tACS over the frontal midline, as well as sham stimulation as a control. Results showed that midfrontal theta tACS significantly improved behavioral performance (i.e., reduced interpersonal asynchrony) and participants' motor strategies (i.e., increased movement times and reduced RTs), whereas beta tACS had no effect on these measures. These results suggest that theta tACS over frontal areas facilitates action monitoring and motor abilities supporting interpersonal interactions.
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Affiliation(s)
- Sarah Boukarras
- Sapienza University, Rome, Italy.,IRCCS Santa Lucia Foundation, Rome, Italy
| | - Duru Gun Özkan
- Sapienza University, Rome, Italy.,IRCCS Santa Lucia Foundation, Rome, Italy
| | - Vanessa Era
- Sapienza University, Rome, Italy.,IRCCS Santa Lucia Foundation, Rome, Italy
| | - Quentin Moreau
- Sapienza University, Rome, Italy.,IRCCS Santa Lucia Foundation, Rome, Italy
| | - Gaetano Tieri
- IRCCS Santa Lucia Foundation, Rome, Italy.,Unitelma Sapienza, Rome, Italy
| | - Matteo Candidi
- Sapienza University, Rome, Italy.,IRCCS Santa Lucia Foundation, Rome, Italy
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Fini C, Era V, Da Rold F, Candidi M, Borghi AM. Abstract concepts in interaction: the need of others when guessing abstract concepts smooths dyadic motor interactions. ROYAL SOCIETY OPEN SCIENCE 2021; 8:201205. [PMID: 34350007 PMCID: PMC8316795 DOI: 10.1098/rsos.201205] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 06/21/2021] [Indexed: 06/04/2023]
Abstract
concepts (ACs, e.g. 'justice') are more complex compared with concrete concepts (CCs) (e.g. 'table'). Indeed, they do not possess a single object as a referent, they assemble quite heterogeneous members and they are more detached from exteroceptive and more grounded in interoceptive experience. Recent views have hypothesized that interpersonal communication is particularly crucial to acquire and use ACs. The current study investigates the reliance of ACs/CCs representation on interpersonal behaviour. We asked participants to perform a motor interaction task with two avatars who embodied two real confederates. Before and after the motor interaction task, the two confederates provided participants with hints in a concept guessing task associated with visual stimuli: one helped in guessing ACs and the other, CCs. A control study we performed both with the materials employed in the main experiment and with other materials, confirmed that associating verbal concepts with visual images was more difficult with ACs than with CCs. Consistently, the results of the main experiment showed that participants asked for more hints with ACs than CCs and were more synchronous when interacting with the avatar corresponding to the AC's confederate. The results highlight an important role of sociality in grounding ACs.
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Affiliation(s)
- Chiara Fini
- Department of Dynamic and Clinical Psychology and Health Studies, ‘Sapienza’ University of Rome, Italy
| | - Vanessa Era
- SCNLab Department of Psychology, ‘Sapienza’ University of Rome, Italy
- IRCCS, Fondazione Santa Lucia, Rome, Italy
| | - Federico Da Rold
- Institute of Cognitive Sciences and Technologies, National Research Council (CNR), Rome, Italy
| | - Matteo Candidi
- SCNLab Department of Psychology, ‘Sapienza’ University of Rome, Italy
- IRCCS, Fondazione Santa Lucia, Rome, Italy
| | - Anna M. Borghi
- Department of Dynamic and Clinical Psychology and Health Studies, ‘Sapienza’ University of Rome, Italy
- Institute of Cognitive Sciences and Technologies, National Research Council (CNR), Rome, Italy
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6
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Era V, Aglioti SM, Candidi M. Inhibitory Theta Burst Stimulation Highlights the Role of Left aIPS and Right TPJ during Complementary and Imitative Human-Avatar Interactions in Cooperative and Competitive Scenarios. Cereb Cortex 2021; 30:1677-1687. [PMID: 31667496 DOI: 10.1093/cercor/bhz195] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 07/31/2019] [Accepted: 08/03/2019] [Indexed: 11/14/2022] Open
Abstract
Competitive and cooperative interactions are based on anticipation or synchronization with the partner's actions. Both forms of interaction may either require performing imitative or complementary movements with respect to those performed by our partner. We explored how parietal regions involved in the control of imitative behavior (temporo-parietal junction, TPJ), goal coding and visuo-motor integration (anterior intraparietal sulcus, aIPS) contribute to the execution of imitative and complementary movements during cooperative and competitive interactions. To this aim, we delivered off-line non-invasive inhibitory brain stimulation to healthy individuals' left aIPS and right TPJ before they were asked to reach and grasp an object together with a virtual partner by either performing imitative or complementary interactions. In different blocks, participants were asked to compete or cooperate with the virtual partner that varied its behavior according to cooperative or competitive contexts. Left aIPS and right TPJ inhibition impaired individuals' performance (i.e., synchrony in cooperative task and anticipation in competition) during complementary and imitative interactions, respectively, in both cooperative and competitive contexts, indicating that aIPS and TPJ inhibition affects own-other action integration and action imitation (that are different in complementary vs imitative interactions) more than action synchronization or anticipation (that are different in cooperative vs competitive contexts).
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Affiliation(s)
- Vanessa Era
- SCNLab Department of Psychology, "Sapienza" University of Rome, 00185, Rome, Italy.,IRCCS, Fondazione Santa Lucia, 00185, Rome, Italy
| | - Salvatore Maria Aglioti
- SCNLab Department of Psychology, "Sapienza" University of Rome, 00185, Rome, Italy.,IRCCS, Fondazione Santa Lucia, 00185, Rome, Italy
| | - Matteo Candidi
- SCNLab Department of Psychology, "Sapienza" University of Rome, 00185, Rome, Italy.,IRCCS, Fondazione Santa Lucia, 00185, Rome, Italy
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The Potential Role of Dopamine in Mediating Motor Function and Interpersonal Synchrony. Biomedicines 2021; 9:biomedicines9040382. [PMID: 33916451 PMCID: PMC8066519 DOI: 10.3390/biomedicines9040382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/28/2022] Open
Abstract
Motor functions in general and motor planning in particular are crucial for our ability to synchronize our movements with those of others. To date, these co-occurring functions have been studied separately, and as yet it is unclear whether they share a common biological mechanism. Here, we synthesize disparate recent findings on motor functioning and interpersonal synchrony and propose that these two functions share a common neurobiological mechanism and adhere to the same principles of predictive coding. Critically, we describe the pivotal role of the dopaminergic system in modulating these two distinct functions. We present attention deficit hyperactivity disorder (ADHD) as an example of a disorder that involves the dopaminergic system and describe deficits in motor and interpersonal synchrony. Finally, we suggest possible directions for future studies emphasizing the role of dopamine modulation as a link between social and motor functioning.
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Boukarras S, Era V, Aglioti SM, Candidi M. Competence-based social status and implicit preference modulate the ability to coordinate during a joint grasping task. Sci Rep 2021; 11:5321. [PMID: 33674640 PMCID: PMC7935999 DOI: 10.1038/s41598-021-84280-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 02/11/2021] [Indexed: 12/22/2022] Open
Abstract
Studies indicate that social status influences people's social perceptions. Less information is available about whether induced social status influences dyadic coordination during motor interactions. To explore this issue, we designed a study in which two confederates obtained high or low competence-based status by playing a game together with the participant, while the participant always occupied the middle position of the hierarchy. Following this status-inducing phase, participants were engaged in a joint grasping task with the high- and low-status confederates in different sessions while behavioural (i.e., interpersonal asynchrony and movement start time) indexes were measured. Participants' performance in the task (i.e., level of interpersonal asynchrony) when interacting with the low-status partner was modulated by their preference for him. The lower participants' preference for a low- relative to a high-status confederate, the worse participants' performance when interacting with the low-status confederate. Our results show that participants' performance during motor interactions changes according to the social status of the interaction partner.
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Affiliation(s)
- Sarah Boukarras
- Department of Psychology, Sapienza University of Rome, Rome, Italy.
- Santa Lucia Foundation, Rome, Italy.
| | - Vanessa Era
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- Santa Lucia Foundation, Rome, Italy
| | - Salvatore Maria Aglioti
- Santa Lucia Foundation, Rome, Italy
- Sapienza University of Rome and CNLS@Sapienza Istituto Italiano di Tecnologia, Rome, Italy
| | - Matteo Candidi
- Department of Psychology, Sapienza University of Rome, Rome, Italy.
- Santa Lucia Foundation, Rome, Italy.
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9
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Fanghella M, Era V, Candidi M. Interpersonal Motor Interactions Shape Multisensory Representations of the Peripersonal Space. Brain Sci 2021; 11:255. [PMID: 33669561 PMCID: PMC7922994 DOI: 10.3390/brainsci11020255] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 02/07/2023] Open
Abstract
This perspective review focuses on the proposal that predictive multisensory integration occurring in one's peripersonal space (PPS) supports individuals' ability to efficiently interact with others, and that integrating sensorimotor signals from the interacting partners leads to the emergence of a shared representation of the PPS. To support this proposal, we first introduce the features of body and PPS representations that are relevant for interpersonal motor interactions. Then, we highlight the role of action planning and execution on the dynamic expansion of the PPS. We continue by presenting evidence of PPS modulations after tool use and review studies suggesting that PPS expansions may be accounted for by Bayesian sensory filtering through predictive coding. In the central section, we describe how this conceptual framework can be used to explain the mechanisms through which the PPS may be modulated by the actions of our interaction partner, in order to facilitate interpersonal coordination. Last, we discuss how this proposal may support recent evidence concerning PPS rigidity in Autism Spectrum Disorder (ASD) and its possible relationship with ASD individuals' difficulties during interpersonal coordination. Future studies will need to clarify the mechanisms and neural underpinning of these dynamic, interpersonal modulations of the PPS.
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Affiliation(s)
- Martina Fanghella
- Department of Psychology, Sapienza University, 00185 Rome, Italy; (M.F.); (V.E.)
- IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Psychology, University of London, London EC1V 0HB, UK
| | - Vanessa Era
- Department of Psychology, Sapienza University, 00185 Rome, Italy; (M.F.); (V.E.)
- IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
| | - Matteo Candidi
- Department of Psychology, Sapienza University, 00185 Rome, Italy; (M.F.); (V.E.)
- IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
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10
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Imaizumi S, Tagami U, Yang Y. Fluid movements enhance creative fluency: A replication of Slepian and Ambady (2012). PLoS One 2020; 15:e0236825. [PMID: 32730311 PMCID: PMC7392226 DOI: 10.1371/journal.pone.0236825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 07/14/2020] [Indexed: 11/19/2022] Open
Abstract
Bodily movements representing abstract concepts (e.g., fluidity) can affect divergent creative thinking. A recent study showed that participants who performed fluid arm movements by tracing curved line-drawings (the fluid condition) subsequently generated a larger number of more original alternative uses for newspapers than did those who traced angular line-drawings (the non-fluid condition). This suggests that fluid movements enhance fluency and originality in divergent creative thinking. To replicate these findings, we employed the same task with a larger Japanese sample. Participants in the fluid condition generated more uses for newspapers than in the non-fluid condition, regardless of confounding variables: mood, subjective difficulty of the tracing, and daily use of newspapers. In contrast to previous findings, there were no effects on originality. Our results suggest that fluidity enacted by arm movements robustly enhances creative fluency, although other factors (e.g., culture) could interfere with its effect on originality.
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Affiliation(s)
- Shu Imaizumi
- Institute for Education and Human Development, Ochanomizu University, Tokyo, Japan
| | - Ubuka Tagami
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
| | - Yi Yang
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
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Moreau Q, Parrotta E, Era V, Martelli ML, Candidi M. Role of the occipito-temporal theta rhythm in hand visual identification. J Neurophysiol 2020; 123:167-177. [DOI: 10.1152/jn.00267.2019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Neuroimaging and EEG studies have shown that passive observation of the full body and of specific body parts is associated with 1) activity of an occipito-temporal region named the extrastriate body area (EBA), 2) amplitude modulations of a specific posterior event-related potential (ERP) component (N1/N190), and 3) a theta-band (4–7 Hz) synchronization recorded from occipito-temporal electrodes compatible with the location of EBA. To characterize the functional role of the occipito-temporal theta-band increase during the processing of body-part stimuli, we recorded EEG from healthy participants while they were engaged in an identification task (match-to-sample) of images of hands and nonbody control images (leaves). In addition to confirming that occipito-temporal electrodes show a larger N1 for hand images compared with control stimuli, cluster-based analysis revealed an occipito-temporal cluster showing an increased theta power when hands are presented (compared with leaves) and show that this theta increase is higher for identified hands compared with nonidentified ones while not being significantly different between not identified nonhand stimuli. Finally, single trial multivariate pattern analysis revealed that time-frequency modulation in the theta band is a better marker for classifying the identification of hand images than the ERP modulation. The present results support the notion that theta activity over the occipito-temporal cortex is an informative marker of hand visual processing and may reflect the activity of a network coding for stimulus identity. NEW & NOTEWORTHY Hands provide crucial information regarding the identity of others, which is a key information for social processes. We recorded EEG activity of healthy participants during the visual identification of hand images. The combination of univariate and multivariate pattern analysis in time- and time-frequency domain highlights the functional role of theta (4–7 Hz) activity over visual areas during hand identification and emphasizes the robustness of this neuromarker in occipito-temporal visual processing dynamics.
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Affiliation(s)
- Quentin Moreau
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia, Rome
| | - Eleonora Parrotta
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia, Rome
| | - Vanessa Era
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia, Rome
| | - Maria Luisa Martelli
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia, Rome
| | - Matteo Candidi
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico, Fondazione Santa Lucia, Rome
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12
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Pezzulo G, Donnarumma F, Dindo H, D'Ausilio A, Konvalinka I, Castelfranchi C. The future of sensorimotor communication research: Reply to comments on "The body talks: Sensorimotor communication and its brain and kinematic signatures". Phys Life Rev 2019; 28:46-51. [PMID: 31147277 DOI: 10.1016/j.plrev.2019.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 03/15/2019] [Indexed: 11/25/2022]
Affiliation(s)
- Giovanni Pezzulo
- Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy.
| | - Francesco Donnarumma
- Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy
| | - Haris Dindo
- Computer Science Engineering, University of Palermo, Palermo, Italy
| | - Alessandro D'Ausilio
- IIT Istituto Italiano di Tecnologia, CTNSC@UniFe - Center of Translational Neurophysiology for Speech and Communication, Ferrara, Italy
| | - Ivana Konvalinka
- Section for Cognitive Systems, DTU Compute, Technical University of Denmark, Kongens Lyngby, Denmark
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Gandolfo M, Era V, Tieri G, Sacheli LM, Candidi M. Interactor's body shape does not affect visuo-motor interference effects during motor coordination. Acta Psychol (Amst) 2019; 196:42-50. [PMID: 30986565 DOI: 10.1016/j.actpsy.2019.04.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/01/2019] [Accepted: 04/03/2019] [Indexed: 01/05/2023] Open
Abstract
The biological-tuning of the Action Observation Network is highly debated. A current open question relates to whether the morphological appearance (body shape) and/or the biological motion of the observed agent triggers action simulation processes. Motor simulation of the partner's action is critical for motor interactions, where two partners coordinate their actions in space and time. It supports interpersonal alignment and facilitates online coordination. However, motor simulation also leads to visuo-motor interference effects when people are required to coordinate with complementary actions, i.e. incongruent movements as compared to the observed ones. Movement kinematics of interactive partners allows us to capture their automatic tendency to simulate and imitate the partner's complementary movements. In an online reach-to-grasp task, we investigated whether visuo-motor interference effects, visible in the kinematics of complementary movements, are modulated by the visual presence of the interactor's body shape. We asked participants to interact with 1) a humanoid agent with a human-like body shape and with real human, biological, movement kinematics, or 2) a non-humanoid agent, which did not resemble the human body-shape but moved with the same real kinematics. Through the combination of inferential and Bayesian statistics, the results show no effect of interactor's body shape on visuo-motor interference in reaching and grasping kinematics during online motor coordination. We discuss the results and propose that the kinematics of the observed movements, during motor interactions, might be the key factor for visuo-motor interference to take place independently from the morphological appearance of the partner. This is particularly relevant in a technological society that constantly asks humans to interact with artificial agents.
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