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Related Experiment Video

Updated: Feb 15, 2026

Using Facial Electromyography to Assess Facial Muscle Reactions to Experienced and Observed Affective Touch in Humans
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Using Facial Electromyography to Assess Facial Muscle Reactions to Experienced and Observed Affective Touch in Humans

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Socio-affective touch expression database.

Haemy Lee Masson1, Hans Op de Beeck1

  • 1Department of Brain and Cognition, KU Leuven, Leuven, Belgium.

Plos One
|January 25, 2018
PubMed
Summary

This study introduces the Socio-Affective Touch Expression Database (SATED), a comprehensive resource for understanding social touch. SATED captures dynamic touch events, enabling detailed research into emotions and intentions conveyed through touch.

Area of Science:

  • Psychology
  • Neuroscience
  • Affective Computing

Background:

  • Socio-affective touch communication is crucial for conveying emotions and intentions.
  • Previous research has limited the scope of social touch, focusing mainly on hedonics.
  • A comprehensive database is needed to explore diverse social touch behaviors.

Purpose of the Study:

  • To introduce the Socio-Affective Touch Expression Database (SATED).
  • To provide a resource for studying dynamic interpersonal socio-affective touch events.
  • To facilitate fine-grained investigation of complex social touch in various fields.

Main Methods:

  • Developed SATED with 26 dynamic social touch expressions performed by actor pairs.
  • Conducted two behavioral experiments to validate touch expressions for naturalness and affective values.

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  • Selected 13 socio-affective and 12 non-social touch events (75 video clips) based on validation ratings.

    • Main Results:

    • Quantified motion energy to correlate with perceived affective values and action similarity.
    • The database is systematically defined, well-controlled, spontaneous, and natural.
    • Touch expressions elicited clear affective responses.

    Conclusions:

    • SATED offers a well-controlled yet natural resource for studying socio-affective touch.
    • The database supports detailed investigations in social psychology and neuroscience.
    • Potential applications exist in affective computing and related fields.