Brain activity maps social relationships through conflict

A study published in Communications Psychology suggests that the human brain organizes social information by creating an internal ‘social map’ where conflicts serve as prominent landmarks. Research indicates that competitive or antagonistic relationships between individuals appear more distinctly in brain activity patterns than friendly ones.

This finding does not imply that the brain prioritizes conflict over friendship or forgets positive connections. Instead, it suggests that disagreements may act as stronger reference points when the brain attempts to interpret and organize the complex web of relationships within a group.

The study involved 21 students aged 19 to 23. Participants initially viewed photos of eight characters from the television series ‘Suits’ while undergoing MRI scans, at which point the characters were unknown to them. After watching the first six episodes of the show, participants underwent a second scan and evaluated the strength and nature—friendly or competitive—of the relationships between the characters. Following the viewing, the brain's responses to the characters became more distinct as the participants gained context regarding personalities, intentions, and social dynamics.