Innovation or creation in the form of team has become an important form of society,work or student learning.For example,the cooperative innovation group between students or the innovation and entrepreneurship team of college students are creative problem solving in the form of group.Individuals in a group have different founctions and play different roles.Leaders are indispensable,and they play the role of organization,control,or coordination in the process of mutual participation.The effectiveness of leadership is mainly reflected through the interaction with members.There are many ways to produce team leaders in students’ learning and life,such as emerging leaders spontaneously generated with tasks or freely elected by members before formal tasks.There are different interaction modes between leaders and members in different ways.The purpose of this study was to explore the influence of different team leaders and members’ interaction on creative problem solving process and its neural mechanism.Three behavioral experiments were conducted to explore the roles of leaders and members in the process of creative problem-solving and the mode of turn taking in emergent leadership team,elected leadership team and power leadership team.Two fNIRS hyperscanning studies were conducted to explore the neural mechanism of the interaction between leaders and members of different groups in the process of creative problem solving.The results of behavioral experiments showed that there was no significant difference in the performance preference between emergent leaders and members in the process of creative problem solving;individual interpersonal communication ability could significantly predict the emergence of emergent leaders;The unequal dialogue between leaders and members showed that leaders were more receptive to members;there was a significant negative correlation between leader member dialogue and the applicability of team innovation performance.In the election leadership team,individual extraversion significantly predicted the election leader’s generation;leaders preferd control reflection in the process of problem solving,and members preferd problem solving;the results of turn taking showed that the dialogue between the two was equal,but the dialogue between different members and leaders was different;the dialogue between leaders and members was negatively correlated with the applicability of team innovation performance.In the power leadership team,leaders preferd control reflection in the process of problem solving,and members preferd problem analysis;there was no significant difference in the dialogue between leaders and members and between members;the dialogue between leaders and members had a significant negative correlation with the applicability of team innovation performance.Based on the comprehensive analysis of three behavioral experiments,it was found that emergent leaders preferd problem solving to elected leaders,and elected leaders preferd control and reflection to emergent leaders.In the performance of problem analysis,members of different leadership teams had more preferences than leaders.In the process of team problem solving,emergent leadership team had more goal clarity and strategy planning process than election leadership team,while election leadership had more control and reflection process.The role of leaders also showd that with the clarity of leadership identity and the prominence of authority,the dialogue among members gradually became equal.The results of the correlation analysis between interpersonal interaction and innovation performance showd that when leaders have no power,they built or maintained their own roles through adaptive information communication,and when the authority was improved,the leaders turned to function.The results of neural mechanism research showed that there was a cross brain synchronization between the leader’s temporoparietal joint area and the members’ left forehead in the process of creative problem solving,which was lower than that in general problem solving;the higher the brain synchronization in the process of creative problem solving,the higher the novelty of group creative performance.The brain synchronization of elected leaders and members was significantly higher than that of emerging leaders and members,which was mainly reflected in the cross brain synchronization of leaders’left forehead and members’ right temporoparietal association area;the higher the brain synchronization of leaders and members,the higher the level of team view integration.Based on the results of behavioral and neural studies,it was found that the clarity of leadership identity and the improvement of authority highlighted the role of leadership in team management,while the performance of other individuals was more in line with the role of members.When the team leader’s identity was not clear,the leadership identity could be constructed through unequal verbal communication and thinking guidance;when the identity was clear,the leader had more control and reflection process in the team,which made the dialogue between individuals in the team more balanced and reflects the role of leadership. |