Social interaction is the core component of our daily life。As a complex dynamic feedback circuit，Social Interactive Practice individual behavior、The reaction is associated with the internal cognitive process。From the perspective of cognitive neuroscience，Social interaction is the interaction between two or more nervous systems，These nervous system couples through sensory input and behavior。but，There is no direct communication channel between individual brains (such as membrane potential、Direct transmission of neurotransmitters)，The information interaction between the brain must be indirectly、Expressive ways (such as gesture action、Sound、Words，or contact action) Perform。Researchers want to know more about social interaction for neural mechanisms，It is necessary to explore the coupling between brains from the perspective of neurodynamics，How does the brain of social interaction be linked，and how they change together over time。So，As the newly introduced concept and methodology framework，Double Neuroscience (2 Person Neuroscience，2pn) The perspective of two or more participants is used to synchronize nerve imaging (super scan) to study the nervous basis of human society interaction。This method understands social interaction as a dynamic shaping behavior、How many brain frameworks of cognitive status and social relationships and comprehensive networks for nervous system。

Near infrared spectrum super scanning technology，FNIRS-Hyperscanning) (bet365 Play online games hereinafter referred to as "FNIRS Super Scanning Technology") can measure the relative changes of the oxygen hemoglobin and deoxymal hemoglobin concentration of two or more human brain activity during real-time interaction.，to speculate the synchronization of the brain activity between two or more participants (Inter-Brain Synchrony，IBS)，Some researchers call it interpersonal neural sync，INS) or nerve coupling of the brain。Compared with the traditional single -brain FNIRS study，Super scanning can measure the cerebral blood oxygen changes in two or more participants at the same time，This fundamentally changed the situation of "pseudo -interaction" in previous social interaction research。So，Simultaneous activation of a certain brain area of ​​two or more participants brains as a measure of social interaction quality，Compared with the changes in the blood oxygen concentration of a single brain area in a single brain research in the past，More convincing。other，Because FNIRS super scanning technology has no harm、Noise and other features，Can be applied to baby、Elderly、Children with autism，instead of worrying about bringing damage or discomfort to the test。

More importantly，Compared with functional Nimming Honor (FMRI) super scan and EEG (EEG) super scanning technology，FNIRS super scanning technology can provide a relatively loose external environment，Participants can perform dialogue during the experiment、Communication，You can also have a face、Actions of the limbs，Being able to imitate the real social interaction scene as much as possible。Specifically，When FMRI super scanning，Researchers have to fix Bet365 app download the subject in the nuclear magnetic cabin，I only have to lie in the nuclear magnetic cabin and keep the head fixed，It is difficult to communicate、action; and the electrical signal collected by EEG technology is very sensitive to head activities，Even a small head movement will bring a substantial change in the electrical signal，Therefore, it is also difficult to imitate the expression in the real interactive scene、speech communication。Comparison of comparison，FNIRS super scanning technology allows the subject to conduct simple head activities after wearing equipment，or face -to -face oral communication，Being able to simulate the real social interaction scene as much as possible，so that the research has a higher external validity，Provide strong evidence for the brain mechanism of social interaction。

Current，FNIRS super scanning technology has been widely used in the research process of social interaction at home and abroad，Through the wearable FNIRS device，Researchers have conducted many studies in areas closely related to social interaction issues。For example，Explore the teaching interaction process of students and teachers，Influencing factors of parent -child interaction process，Speech recognition and understanding process，Brain activity in the discussion process of no leadership group，Group members cooperate with each other to complete creative tasks，Comparison of high depression risk Baby and low depression risk Baby connection between the baby's brain and hemisphere。A large number of high -external validity research appears one after another，FNIRS super scanning technology can be understood in words、Teaching Interaction、Group Bet365 lotto review creativity、Cooperation competition、Common decision -making and other social interaction issues play a role in the field of social interaction。The research of these high external validity can not only improve the repeatability of psychological experiments，Enhanced results can be promoted，and easier to make practical applications，It is worth paying attention to researchers。

In short,，FNIRS Super Scanning Technology -This method of connecting multiple participants' brains，No longer regards individuals as isolated social activities，Instead, participants who interact in social activities are regarded as an integrated network of nerves。Through this perspective，Researchers can discuss the synchronization of interpersonal nerves in social interaction，can also use interpersonal nerve synchronization as an indicator，Explore the impact of potential factors on social interaction。FNIRS super scanning technology synchronization can effectively characterize the social interaction quality between activities participants，But，Research on FNIRS super scanning technology is still in its infancy，Researchers in the future can further conduct research in the following aspects。

First，breadth widen，That is to further broaden the application field of FNIRS super scanning technology。The gradual rise of the naturalist paradigm has made psychological experiments no longer limited to fixed paradigms，So，This method can be more flexible in the field of more social interaction in the future。For example，In the field of psychological counseling，Researchers discovered，Compared with ordinary chat，When the visitor was psychologically counseling to the consultant，bet365 Play online games The nerves of the right temporal ceiling connection (RTPJ) are significantly enhanced; in addition,，Because the FNIRS environment is quiet and has non -invasive，is a research method that is easily accepted by the guardian，Therefore, be able to be in children、Application in groups such as young children。When the parent -child cooperation task，Synchronous enhancement of neuroplasma in the bilateral forehead cortex and temporal ceiling area，There is positive correlation with neurological synchronization and mutual aid behaviors，Neurological synchronization results can more effectively predict the success rate of the two people to solve the problem than the results of the mother and child behavior。Future researchers can expand this method to more fields，If the relationship between the harmonious doctor and patients is constructed、Enhanced team cooperation、Revealing the processing mechanism of the brain。

2，Deep mining，In -depth excavation of the connotation and mechanism of synchronization of interpersonal nerves。During the process of social interaction，How is the synchronization of interpersonal nerve associated with group behaviors? Although predecessor research has been confirmed，Neurological synchronization and common behavior between individuals、Cognitive or variable effects related，But the specific way of interpersonal nerve synchronization in social interaction is still not clear enough。Interpersonal nerve synchronization is the cause of social interaction，The result of social interaction，This still requires scholars to explore in the future，More evidence support is required to make judgments。

bet365 best casino games Third，Short board supplement，Combined with FMRI、ERP、TDCS、TMS and other technologies for multi -mode imaging，More comprehensively exploring the brain area or network activated in social interaction scenes。Specifically，Single method is inevitable that there are defects caused by system reasons，Comparing the advantages between multiple technologies，Researchers can further confirm the role of a certain brain area in a certain social interaction，It is more likely to clarify how these brain or neural networks play a role in the interaction process，or the mechanism of further exploring the function of the function pillar。other，Researchers can also try new technologies such as virtual reality technology。There have been research combined with FMRI super scanning and virtual reality technology，Through technical complementary and effectively enhance the participation's substitutional sense。In the future，Researchers can also consider using transcranial diarent stimulation， TDCS) or magnetic stimulus，TMS) Method directly controls the behavior of the individual。Complement through a variety of technical advantages，Make people can understand the neurological mechanism of social interaction more deeply。

In -depth research on the synchronization of the brain and its potential mechanism，helps deepen our understanding of the "social brain"，can also help us further understand the neurological foundation of collective behavior。In the future，With the in -depth understanding of the brain and the enhancement of direct contact with the brain，Perhaps there is a bottleneck that can bypass external communication one day，Provide direct between the brain、High Bet365 app download bandwidth connection，Implement "brain -brain interface"。

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(Author Unit: Department of Psychology at the School of Education of Shanghai Normal University; Department of Education, East China Normal University)