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Sciaraffa N, Liu J, Aricò P, Flumeri GD, Inguscio BMS, Borghini G, Babiloni F. Multivariate model for cooperation: bridging social physiological compliance and hyperscanning. Soc Cogn Affect Neurosci 2021; 16:193-209. [PMID: 32860692 PMCID: PMC7812636 DOI: 10.1093/scan/nsaa119] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 06/30/2020] [Accepted: 08/26/2020] [Indexed: 01/06/2023] Open
Abstract
The neurophysiological analysis of cooperation has evolved over the past 20 years, moving towards the research of common patterns in neurophysiological signals of people interacting. Social physiological compliance (SPC) and hyperscanning represent two frameworks for the joint analysis of autonomic and brain signals, respectively. Each of the two approaches allows to know about a single layer of cooperation according to the nature of these signals: SPC provides information mainly related to emotions, and hyperscanning that related to cognitive aspects. In this work, after the analysis of the state of the art of SPC and hyperscanning, we explored the possibility to unify the two approaches creating a complete neurophysiological model for cooperation considering both affective and cognitive mechanisms We synchronously recorded electrodermal activity, cardiac and brain signals of 14 cooperative dyads. Time series from these signals were extracted, and multivariate Granger causality was computed. The results showed that only when subjects in a dyad cooperate there is a statistically significant causality between the multivariate variables representing each subject. Moreover, the entity of this statistical relationship correlates with the dyad’s performance. Finally, given the novelty of this approach and its exploratory nature, we provided its strengths and limitations.
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Affiliation(s)
- Nicolina Sciaraffa
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.,BrainSigns srl, Rome, Italy
| | - Jieqiong Liu
- School of Psychology and Cognitive Science, Shanghai Changning-ECNU Mental Health Center, East China Normal University, Shanghai, China
| | - Pietro Aricò
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.,BrainSigns srl, Rome, Italy.,IRCCS Fondazione Santa Lucia, Neuroelectrical Imaging and BCI Lab, Rome, Italy
| | - Gianluca Di Flumeri
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.,BrainSigns srl, Rome, Italy.,IRCCS Fondazione Santa Lucia, Neuroelectrical Imaging and BCI Lab, Rome, Italy
| | - Bianca M S Inguscio
- BrainSigns srl, Rome, Italy.,Department of Sense Organs, Sapienza University of Rome, Rome, Italy
| | - Gianluca Borghini
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.,BrainSigns srl, Rome, Italy.,IRCCS Fondazione Santa Lucia, Neuroelectrical Imaging and BCI Lab, Rome, Italy
| | - Fabio Babiloni
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.,BrainSigns srl, Rome, Italy.,College of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou Zhejiang Province, People's Republic of China
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Eslami-S Z, Cortés-Hernández LE, Cayrefourcq L, Alix-Panabières C. The Different Facets of Liquid Biopsy: A Kaleidoscopic View. Cold Spring Harb Perspect Med 2020; 10:a037333. [PMID: 31548226 PMCID: PMC7263091 DOI: 10.1101/cshperspect.a037333] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The current limitations of cancer diagnosis and molecular profiling based on invasive tissue biopsies or clinical imaging have led to the development of the liquid biopsy field. Liquid biopsy includes the isolation of circulating tumor cells (CTCs), circulating free or tumor DNA (cfDNA or ctDNA), extracellular vesicles (EVs), and tumor-educated platelets (TEPs) from body fluid samples and their molecular characterization to identify biomarkers for early cancer diagnosis, prognosis, therapeutic prediction, and follow-up. These innovative biosources show similar features as the primary tumor from where they originated or interacted. This review describes the different technologies and methods used for processing these biosources as well as their main clinical applications with their advantages and limitations.
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Affiliation(s)
- Zahra Eslami-S
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, 34093 Montpellier, France
| | - Luis Enrique Cortés-Hernández
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, 34093 Montpellier, France
| | - Laure Cayrefourcq
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, 34093 Montpellier, France
| | - Catherine Alix-Panabières
- Laboratory of Rare Human Circulating Cells (LCCRH), University Medical Centre of Montpellier, 34093 Montpellier, France
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To Rate or Not to Rate? Autonomic Response and Psychological Well-being of Employees During Performance Review. Health Care Manag (Frederick) 2019; 38:179-186. [PMID: 30920993 DOI: 10.1097/hcm.0000000000000257] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Organizational research started including neurosciences exploring pivotal phenomena and promoting organizational well-being. Leadership was investigated by assessing psychophysiological responses during performance review characterized by narrative or quantitative assessments and their effects on employees' well-being. As is known, rating could be perceived as threatening for employees' ranking and status perception, leading to avoidant behaviors. DESIGN AND METHODOLOGY Here, manager-employee dyads were assigned to 2 conditions: in the nonrate scenario, managers were asked to describe the employee's performance; in the rate one, they had to provide a quantitative rating. Skin conductance level and response and heart rate indices were continuously recorded. FINDINGS Dyads in nonrate condition showed higher arousal-related responses (skin conductance level and skin conductance response), perhaps highlighting an increased engagement triggered by a rewarding exchange. Conversely, in rate condition, employees showed higher heart rate, usually related to negative and stressful conditions, and avoidant behaviors. ORIGINALITY/VALUE Results are discussed for their possible applications to employees' well-being.
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Balconi M, Vanutelli ME. Functional EEG connectivity during competition. BMC Neurosci 2018; 19:63. [PMID: 30336786 PMCID: PMC6194561 DOI: 10.1186/s12868-018-0464-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/08/2018] [Indexed: 12/20/2022] Open
Abstract
Background Social behavior and interactions pervasively shape and influence our lives and relationships. Competition, in particular, has become a core topic in social neuroscience since it stresses the relevance and salience of social comparison processes between the inter-agents that are involved in a common task. The majority of studies, however, investigated such kind of social interaction via one-person individual paradigms, thus not taking into account relevant information concerning interdependent participants’ behavioral and neural responses. In the present study, dyads of volunteers participated in a hyperscanning paradigm and competed in a computerized attention task while their electrophysiological (EEG) activity and performance were monitored and recorded. Behavioral data and inter-brain coupling measures based on EEG frequency data were then computed and compared across different experimental conditions: a control condition (individual task, t0), a first competitive condition (pre-feedback condition, t1), and a second competitive condition following a positive reinforcing feedback (post-feedback condition, t2). Results Results showed that during competitive tasks participants’ performance was improved with respect to control condition (reduced response times and error rates), with a further specific improvement after receiving a reinforcing feedback. Concurrently, we observed a reduction of inter-brain functional connectivity (primarily involving bilateral prefrontal areas) for slower EEG frequency bands (delta and theta). Finally, correlation analyses highlighted a significant association between cognitive performance and inter-brain connectivity measures. Conclusions The present results may help identifying specific patterns of behavioral and inter-brain coupling measures associated to competition and processing of social reinforcements.
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Affiliation(s)
- Michela Balconi
- Research Unit in Affective and Social Neuroscience, Catholic University of the Sacred Heart, Milan, Italy. .,Department of Psychology, Catholic University of the Sacred Heart, Largo Gemelli 1, 20123, Milan, Italy.
| | - Maria Elide Vanutelli
- Research Unit in Affective and Social Neuroscience, Catholic University of the Sacred Heart, Milan, Italy.,Department of Psychology, Catholic University of the Sacred Heart, Largo Gemelli 1, 20123, Milan, Italy
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Vanutelli ME, Gatti L, Angioletti L, Balconi M. May the Best Joint-Actions Win: Physiological Linkage During Competition. Appl Psychophysiol Biofeedback 2018; 43:227-237. [PMID: 29978392 DOI: 10.1007/s10484-018-9402-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Previous work showed that, when we interact with other people, an alignment of psychophysiological measures occur as a clue about the intensity of the social interaction. Available evidence highlighted increase autonomic synchrony, known as physiological linkage, during intense dyadic situations, like conflictual conversations within romantic couples, friends, or therapeutic settings. Starting from the idea that higher physiological linkage could support better performance and be correlated with approach attitudes (Behavioral Activation System, BAS), in the present study a conflictual situation was proposed by making subjects compete during an attentional task and stressing the importance to win as a measure of future professional success. Autonomic activity (electrodermal: skin conductance level and response: SCL, SCR; and cardiovascular indices: heart rate: HR) was recorded during the task, where subjects received trial-related feedbacks on their performance, and an average score halfway which (fictitiously) assessed their position in terms of accuracy and reaction times with respect to the opponent. In parallel, behavioral inhibition and activation have been assessed by means of the Behavioral Inhibition/Activation System Questionnaire (BIS/BAS). 32 subjects coupled in 16 dyads were recruited. Intra-subject analyses revealed that, after the general evaluation assessing a winning condition, the behavioral performance improved and the electrodermal response increased. Also, correlational analyses showed a relation between BAS, and specifically BAS reward, with SCR. Inter-subject analyses showed higher synchrony in SCR and HR after the feedback. Such results confirm the increased synchronic effect after a highly conflictual condition, and the presence of a relation between subjective performance, approach-related motivations, and physiological linkage.
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Affiliation(s)
- Maria Elide Vanutelli
- Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy
- Department of Psychology, Catholic University of the Sacred Heart, Largo Gemelli, 1, 20123, Milan, Italy
- Department of Philosophy, Università degli Studi di Milano, Milan, Italy
| | - Laura Gatti
- Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy
- Department of Psychology, Catholic University of the Sacred Heart, Largo Gemelli, 1, 20123, Milan, Italy
| | - Laura Angioletti
- Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy
- Department of Psychology, Catholic University of the Sacred Heart, Largo Gemelli, 1, 20123, Milan, Italy
| | - Michela Balconi
- Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy.
- Department of Psychology, Catholic University of the Sacred Heart, Largo Gemelli, 1, 20123, Milan, Italy.
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Abstract
Herpes simplex virus 1 (HSV-1) is a neurotropic pathogen that can infect many types of cells and establishes latent infections in the neurons of sensory ganglia. In some cases, the virus spreads into the central nervous system, causing encephalitis or meningitis. Cells infected with several different types of viruses may secrete microvesicles (MVs) containing viral proteins and RNAs. In some instances, extracellular microvesicles harboring infectious virus have been found. Here we describe the features of shedding microvesicles released by the human oligodendroglial HOG cell line infected with HSV-1 and their participation in the viral cycle. Using transmission electron microscopy, we detected for the first time microvesicles containing HSV-1 virions. Interestingly, the Chinese hamster ovary (CHO) cell line, which is resistant to infection by free HSV-1 virions, was susceptible to HSV-1 infection after being exposed to virus-containing microvesicles. Therefore, our results indicate for the first time that MVs released by infected cells contain virions, are endocytosed by naive cells, and lead to a productive infection. Furthermore, infection of CHO cells was not completely neutralized when virus-containing microvesicles were preincubated with neutralizing anti-HSV-1 antibodies. The lack of complete neutralization and the ability of MVs to infect nectin-1/HVEM-negative CHO-K1 cells suggest a novel way for HSV-1 to spread to and enter target cells. Taken together, our results suggest that HSV-1 could spread through microvesicles to expand its tropism and that microvesicles could shield the virus from neutralizing antibodies as a possible mechanism to escape the host immune response.IMPORTANCE Herpes simplex virus 1 (HSV-1) is a neurotropic pathogen that can infect many types of cells and establishes latent infections in neurons. Extracellular vesicles are a heterogeneous group of membrane vesicles secreted by most cell types. Microvesicles, which are extracellular vesicles which derive from the shedding of the plasma membrane, isolated from the supernatant of HSV-1-infected HOG cells were analyzed to find out whether they were involved in the viral cycle. The importance of our investigation lies in the detection, for the first time, of microvesicles containing HSV-1 virions. In addition, virus-containing microvesicles were endocytosed into CHO-K1 cells and were able to actively infect these otherwise nonpermissive cells. Finally, the infection of CHO cells with these virus-containing microvesicles was not completely neutralized by anti-HSV-1 antibodies, suggesting that these extracellular vesicles might shield the virus from neutralizing antibodies as a possible mechanism of immune evasion.
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Abstract
Functional connectivity during cooperative actions is an important topic in social neuroscience that has yet to be answered. Here, we examined the effects of administration of (fictitious) negative social feedback in relation to cooperative capabilities. Cognitive performance and neural activation underlying the execution of joint actions was recorded with functional near-infrared spectroscopy (fNIRS) on prefrontal regions during a task where pairs of participants received negative feedback after their joint action. Performance (error rates (ERs) and response times (RTs)) and intra- and inter-brain connectivity indices were computed, along with the ConIndex (inter-brain/intra-brain connectivity). Finally, correlational measures were considered to assess the relation between these different measures. Results showed that the negative feedback was able to modulate participants' responses for both behavioral and neural components. Cognitive performance was decreased after the feedback. Moreover, decreased inter-brain connectivity and increased intra-brain connectivity was induced by the feedback, whereas the cooperative task pre-feedback condition was able to increase the brain-to-brain coupling, mainly localized within the dorsolateral prefrontal cortex (DLPFC). Finally, the presence of significant correlations between RTs and inter-brain connectivity revealed that ineffective joint action produces the worst cognitive performance and a more 'individual strategy' for brain activity, limiting the inter-brain connectivity. The present study provides a significant contribution to the identification of patterns of intra- and inter-brain functional connectivity when negative social reinforcement is provided in relation to cooperative actions.
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Affiliation(s)
- Michela Balconi
- Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy; Department of Psychology, Catholic University of Milan, Milan, Italy.
| | - Maria Elide Vanutelli
- Research Unit in Affective and Social Neuroscience, Catholic University of Milan, Milan, Italy; Department of Psychology, Catholic University of Milan, Milan, Italy
| | - Laura Gatti
- Department of Psychology, Catholic University of Milan, Milan, Italy
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Affective Synchrony and Autonomic Coupling during Cooperation: A Hyperscanning Study. BIOMED RESEARCH INTERNATIONAL 2017; 2017:3104564. [PMID: 29279845 PMCID: PMC5723953 DOI: 10.1155/2017/3104564] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 11/06/2017] [Indexed: 11/27/2022]
Abstract
Previous research highlighted that during social interactions people shape each other's emotional states by resonance mechanisms and synchronized autonomic patterns. Starting from the idea that joint actions create shared emotional experiences, in the present study a social bond was experimentally induced by making subjects cooperate with each other. Participants' autonomic system activity (electrodermal: skin conductance level and response: SCL, SCR; cardiovascular indices: heart rate: HR) was continuously monitored during an attentional couple game. The cooperative motivation was induced by presenting feedback which reinforced the positive outcomes of the intersubjective exchange. 24 participants coupled in 12 dyads were recruited. Intrasubject analyses revealed higher HR in the first part of the task, connoted by increased cognitive demand and arousing social dynamic, while intersubject analysis showed increased synchrony in electrodermal activity after the feedback. Such results encourage the use of hyperscanning techniques to assess emotional coupling in ecological and real-time paradigms.
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Near-Infrared Spectroscopy Applied to Complex Systems and Human Hyperscanning Networking. APPLIED SCIENCES-BASEL 2017. [DOI: 10.3390/app7090922] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Balconi M, Vanutelli ME. Brains in Competition: Improved Cognitive Performance and Inter-Brain Coupling by Hyperscanning Paradigm with Functional Near-Infrared Spectroscopy. Front Behav Neurosci 2017; 11:163. [PMID: 28912697 PMCID: PMC5583169 DOI: 10.3389/fnbeh.2017.00163] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 08/17/2017] [Indexed: 11/13/2022] Open
Abstract
Hyperscanning brain paradigm was applied to competitive task for couples of subjects. Functional Near-Infrared Spectroscopy (fNIRS) and cognitive performance were considered to test inter-brain and cognitive strategy similarities between subjects (14 couples) during a joint-action. We supposed increased brain-to-brain coupling and improved cognitive outcomes due to joint-action and the competition. As supposed, the direct interaction between the subjects and the observed external feedback of their performance (an experimentally induced fictitious feedback) affected the cognitive performance with decreased Error Rates (ERs), and Response Times (RTs). In addition, fNIRS measure (oxyhemoglobin, O2Hb) revealed an increased brain activity in the prefrontal cortex (PFC) in post-feedback more than pre-feedback condition. Moreover, a higher inter-brain similarity was found for the couples during the task, with higher matched brain response in post-feedback condition than pre-feedback. Finally, a significant increased prefrontal brain lateralization effect was observed for the right hemisphere. Indeed the right PFC was more responsive with similar modalities within the couple during the post-feedback condition. The joined-task and competitive context was adduced to explain these cognitive performance improving, synergic brain responsiveness within the couples and lateralization effects (negative emotions).
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Affiliation(s)
- Michela Balconi
- Research Unit in Affective and Social Neuroscience, Department of Psychology, Catholic University of MilanMilan, Italy
| | - Maria E Vanutelli
- Research Unit in Affective and Social Neuroscience, Department of Psychology, Catholic University of MilanMilan, Italy
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