Related Experiment Video
Updated: Jun 13, 2026

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)
Published on: July 30, 2020
Somatosensation in social perception.
Christian Keysers1, Jon H Kaas, Valeria Gazzola
1Social Brain Laboratory, Department of Neuroscience, University Medical Center Groningen, A. Deusinglaan 2, 9713AW Groningen, The Netherlands. c.keysers@nin.knaw.nl
Social neuroscience suggests that understanding others involves sensory cortices, not just motor areas. Witnessing others' sensations and pain activates our own somatosensory cortices, adding a sensory dimension to social perception.
Area of Science:
- Social Neuroscience
- Neurobiology
- Cognitive Science
Background:
- Mirror neurons in motor cortices were previously thought to be key for understanding others' behavior.
- This perspective overlooks the role of other brain regions in social perception.
Purpose of the Study:
- To investigate the role of somatosensory cortices in social perception.
- To explore how the brain processes observed sensations, actions, and pain in others.
Main Methods:
- Review of existing neuroscientific studies.
- Analysis of brain activity measurements (e.g., fMRI) during observation of others' experiences.
Main Results:
- Vicarious activation in somatosensory cortices is consistently observed when participants witness others' sensations, actions, and pain.
- Somatosensory cortices possess anatomical connections supporting roles in visual and auditory social perception.
Conclusions:
- Somatosensory cortices play a significant role in social perception, complementing motor cortex functions.
- The brain integrates somatosensory information to create a richer perception of others' experiences.
Related Concept Videos
Somatosensation
Sensory Perception: Organization of the Somatosensory System
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
Introducing Social Perception
Thermosensation
Sensory Modalities
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
Perception
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...

