Related Experiment Video
Updated: Jul 19, 2025

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
Published on: July 21, 2021
Decoding social rewards via inter-areal coordination frequency in the brain.
1Division of Behavioral Development, Department of System Neuroscience, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Aichi 444-8585, Japan; Department of Physiological Sciences, School of Life Science, Graduate University for Advanced Studies (SOKENDAI), Hayama, Kanagawa 240-0193, Japan.
Vicarious reward, crucial for altruism, is processed differently from experienced reward. Distinct neural coordination frequencies in the cingulate-amygdala pathway differentiate these two reward types.
Area of Science:
- Neuroscience
- Social Psychology
- Decision Making
Background:
- Vicarious reward significantly influences altruistic and prosocial behaviors.
- Understanding the neural basis for distinguishing vicarious from experienced reward is crucial but remains limited.
Purpose of the Study:
- To investigate the neural mechanisms differentiating vicarious and experienced reward processing.
- To identify specific neural pathways and activity patterns associated with each reward type.
Main Methods:
- Utilized neuroimaging techniques to examine brain activity during reward experiences.
- Analyzed neural coordination frequencies within specific brain circuits, including the cingulate-amygdala pathway.
Main Results:
- Vicarious and experienced rewards are represented by distinct neural coordination frequencies.
- These distinct frequencies are observed within the same cingulate-amygdala pathway, suggesting a shared but differentiated neural substrate.
Conclusions:
- The cingulate-amygdala pathway utilizes distinct coordination frequencies to differentiate vicarious and experienced rewards.
- This finding provides a neural basis for understanding how observing rewards influences social behaviors like altruism.
Related Concept Videos
Neurons as Communicators of the Brain
Cell Body
The cell body, also known...
Functional Brain Systems: Reticular Formation
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Brain Imaging
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...

