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Related Experiment Video

Updated: Mar 26, 2026

Tickling, a Technique for Inducing Positive Affect When Handling Rats
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Tickling.

David A Leavens1, Kim A Bard2

  • 1School of Psychology, University of Sussex, Falmer, East Sussex BN1 9QH, UK.

Current Biology : CB
|February 10, 2016
PubMed
Summary
This summary is machine-generated.

Tickling is a playful behavior that evokes laughter and may indicate a sense of agency. This guide explores its presence across species and its potential link to self-recognition abilities.

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Area of Science:

  • Comparative psychology
  • Ethology
  • Developmental psychology

Background:

  • Tickling is a complex social behavior involving physical touch and vocalizations.
  • It is often associated with laughter and play, particularly in primates and rodents.
  • The evolutionary and cognitive underpinnings of tickling remain incompletely understood.

Purpose of the Study:

  • To provide an overview of tickling as a laughter-evoking play behavior.
  • To examine the taxonomic distribution of tickling across different species.
  • To explore the potential relationship between tickling and self-recognition.

Main Methods:

  • Literature review of studies on tickling and related behaviors.
  • Comparative analysis of tickling phenomena across taxa.
  • Discussion of theoretical frameworks linking play, agency, and self-awareness.

Main Results:

  • Tickling is observed in various species, suggesting a conserved evolutionary basis.
  • The capacity for tickling appears linked to social complexity and cognitive abilities.
  • Evidence suggests a correlation between tickling responses and measures of agency.

Conclusions:

  • Tickling serves as a valuable model for studying the evolution of social play and laughter.
  • Its distribution across species provides insights into the development of agency and self-awareness.
  • Further research is warranted to fully elucidate the cognitive mechanisms underlying tickling and self-recognition.