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When is emotional contagion adaptive?

Wataru Nakahashi1, Hisashi Ohtsuki1

  • 1School of Advanced Sciences, SOKENDAI (The Graduate University for Advanced Studies), Shonan Village, Hayama 240-0193, Kanagawa, Japan.

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Summary
This summary is machine-generated.

Emotional contagion, copying others' emotional states, is adaptive for animals in intermediate environments. This social learning strategy offers flexibility compared to behavioral mimicry, especially when observation is challenging.

Keywords:
Behavioral mimicryEmpathyEvolutionMathematical modelSocial learning

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Area of Science:

  • Animal behavior
  • Evolutionary biology
  • Social cognition

Background:

  • Empathy is crucial for social interactions in animals.
  • Emotional contagion, a basis for empathy, involves mirroring another's emotional state.
  • Understanding the adaptive conditions for emotional contagion is key to explaining its prevalence.

Purpose of the Study:

  • To determine the ecological conditions under which emotional contagion is an adaptive strategy.
  • To compare the adaptiveness of emotional contagion with behavioral mimicry.
  • To explore the role of environmental similarity and observational difficulty in the evolution of emotional contagion.

Main Methods:

  • Mathematical modeling was employed to analyze behavioral rules.
  • The study simulated scenarios where an observer reacts to a demonstrator's behavior.
  • The models contrasted emotional contagion with behavioral mimicry.

Main Results:

  • Emotional contagion is adaptive under intermediate environmental similarity between individuals.
  • The benefits of emotional contagion over behavioral mimicry increase with observational difficulty.
  • Emotional contagion demonstrates greater flexibility than behavioral mimicry for environmental adaptation.

Conclusions:

  • Emotional contagion is often a superior social learning strategy compared to behavioral mimicry.
  • Ecological factors, such as environmental conditions and cognitive demands, favor the evolution of emotional contagion.
  • These findings help explain the frequent observation of emotional contagion in group-living animals.