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Group Synchronization During Collaborative Drawing Using Functional Near-Infrared Spectroscopy

Group Synchronization During Collaborative Drawing Using Functional Near-Infrared Spectroscopy

Published on: August 5, 2022

Experimental evidence for a pure collaboration effect.

Mary C McGrath¹, Alan S Gerber²

¹Department of Political Science, Northwestern University, Evanston, IL, USA. mary.mcgrath@northwestern.edu.

Nature Human Behaviour

|April 12, 2019

Summary

This summary is machine-generated.

Collaboration significantly influences human generosity, creating a sense of debt that motivates unselfish behavior even when future benefits are unlikely. This pure collaboration effect impacts sharing decisions substantially.

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Area of Science:

Psychology
Behavioral Economics
Social Neuroscience

Background:

Human unselfish behavior is not fully explained by long-term self-interest.
Evolutionary collaboration may have shaped an innate sense of distributive justice.
Previous research struggled to isolate collaboration's independent effect on sharing.

Discussion:

This study isolates a pure collaboration effect on prosocial behavior.
The effect is distinct from reciprocity, in-group bias, or accountability concerns.
Collaboration demonstrably increases willingness to share resources.

Key Insights:

Collaboration creates a substantial psychological effect, motivating individuals to share.
Participants were more willing to sacrifice resources after collaborating.
A sense of debt owed to a collaborator appears to drive this effect.

Outlook:

The collaboration effect has significant implications for real-world social and political behavior.
Understanding this effect can inform strategies for promoting cooperation.
Further research can explore the neurobiological underpinnings of collaboration-induced generosity.