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Open Access

Peer-reviewed

Research Article

Chimpanzees Show a Developmental Increase in Susceptibility to Contagious Yawning: A Test of the Effect of Ontogeny and Emotional Closeness on Yawn Contagion

  • Elainie Alenkær Madsen ,

    Elainie.Madsen@gmail.com

    Affiliations Department of Cognitive Science, Lund University, Lund, Sweden, Department of Semiotics, Centre for Languages and Literature, Lund University, Lund, Sweden

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  • Tomas Persson,

    Affiliation Department of Cognitive Science, Lund University, Lund, Sweden

    ⨯
  • Susan Sayehli,

    Affiliations Department of Linguistics, Centre for Languages and Literature, Lund University, Lund, Sweden, Humanities Lab, Lund University, Lund, Sweden

    ⨯
  • Sara Lenninger,

    Affiliation Department of Semiotics, Centre for Languages and Literature, Lund University, Lund, Sweden

    ⨯
  • Göran Sonesson

    Affiliation Department of Semiotics, Centre for Languages and Literature, Lund University, Lund, Sweden

    ⨯

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