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Leadership-driven persuasion: Neural network reorganization supports decision-preference updating and dyadic
Yangzhuo Li1, Jiaqi Zhang2, Junlong Luo1
1School of Psychology, Shanghai Normal University, Shanghai, China; Lab for Educational Big Data and Policymaking, Ministry of Education, Shanghai Normal University, Shanghai, China.
Neuroimage
|February 8, 2026
Summary
Structured persuasive roles significantly alter decision preferences and brain networks. This study reveals how the Role-Differentiated Leadership model drives neural reorganization and group consensus during persuasion.
Area of Science:
- Social Neuroscience
- Cognitive Neuroscience
- Communication Studies
Background:
- Persuasive communication is vital for social interaction and information spread.
- Previous research primarily focused on immediate persuasion effects, overlooking subsequent decision-preference shifts and neural changes.
- Understanding how different persuasion models influence group dynamics and decision-making is crucial.
Purpose of the Study:
- To investigate how distinct persuasion models (Role-Differentiated Leadership vs. Egalitarian-Reciprocity) impact decision-preference updating and group consensus.
- To examine the behavioral and neural underpinnings of persuasion using functional near-infrared spectroscopy (fNIRS) hyperscanning.
- To explore the relationship between intra-brain and inter-brain network reorganizations and persuasive outcomes.
Main Methods:
- Employed a naturalistic dyadic persuasion task with fNIRS hyperscanning to monitor brain activity in pairs.
- Analyzed behavioral data to quantify decision-preference updating and group decision consensus.
- Utilized network science metrics to assess intra-brain (global and nodal) and inter-brain (synchronization) reorganizations.
Main Results:
- The Role-Differentiated Leadership model led to significant decision-preference updating in persuadees, with stable preferences in persuaders.
- Persuadees showed substantial neural reorganization in temporo-parietal and frontoparietal regions, correlating with preference shifts.
- Increased inter-brain synchronization in fronto-temporo-parietal circuits predicted group decision consensus.
Conclusions:
- Structured persuasive roles, particularly Role-Differentiated Leadership, shape decision-preference updating via coordinated intra- and inter-brain network changes.
- Findings offer novel neurobehavioral insights into real-time social influence and group decision-making processes.
- This study highlights the importance of considering network dynamics in understanding persuasion.
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