Gerasimov174/Getty Images
We often assume that leadership influence flows from visibility and authority. But our new neuroscience research suggests that when it comes to building consensus, real influence comes from a very different source.
In our study, we used functional MRI technology to scan the brains of 49 MBA students as they watched ambiguous film clips without audio. After group discussions to reach consensus, we rescanned participants and found that their brain activity was significantly more synchronized, not only while rewatching the clips they had discussed but also while viewing new clips. This indicates that consensus-building restructures how people perceive and interpret information.
But here’s the twist: Not every group showed the same degree of neural alignment. In many groups, high-status individuals, who were perceived as confident or dominant, took the lead, spoke more, and interrupted others. These people were rated as the most influential, but that perception wasn’t reflected in their brain scans. Groups dominated by high-status speakers actually showed lower neural alignment, and the people rated as most influential had no measurable effect on teammates’ brain activity. Although these groups reached consensus, it was superficial, lacking true cognitive convergence. In other words, it was compliance, not commitment.
The groups with the highest neural alignment included individuals who were socially central connectors in their broader networks who could bridge subgroups and invite participation. Where dominant speakers gave instructions or rejected ideas, central individuals asked clarifying questions, acknowledged contributions, and prompted reflection. Crucially, they were also influenced by others in the group, showing a reciprocal pattern of neural alignment with their teams.
The implications are profound. Quick agreement can reflect compliance rather than true alignment. Organizations should empower socially central leaders who naturally span silos and pull others into conversations. Leaders should facilitate equal turn-taking, summarize others’ points, and be open to ideas rather than simply push their own.