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Evolution of laughter from play.

James A Grant-Jacob1

  • 1Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK.

Communicative & Integrative Biology
|April 11, 2024
PubMed
Summary
This summary is machine-generated.

Laughter evolved from physical play to signal survival threats via incongruity. Deep learning may reveal laughter

Keywords:
Deep learningemotionsevolutionlatent spacelaughtersocial behaviortickling

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Area of Science:

  • Evolutionary biology
  • Cognitive science
  • Artificial intelligence

Background:

  • Laughter originates from physical play.
  • Its function may be to signal incongruity.
  • Incongruity can pose survival threats.

Purpose of the Study:

  • Hypothesize laughter's evolution from physical to non-physical stimuli.
  • Explore laughter's role in signaling potential survival threats.
  • Investigate deep learning for analyzing laughter's evolutionary pathways.

Main Methods:

  • Hypothetical evolutionary pathway analysis.
  • Deep learning neural networks.
  • Spectra analysis of diverse laughter types.
  • Latent space exploration.

Main Results:

  • Laughter's evolution from physical play to visual/verbal stimuli proposed.
  • Laughter's role in negating physical contact in play suggested.
  • Deep learning's potential for mapping evolutionary trajectories demonstrated.

Conclusions:

  • Laughter's evolution is linked to threat detection and social signaling.
  • Deep learning offers a novel approach to studying evolutionary processes in vocalizations.
  • Further research can utilize AI to decode complex communication signals.