Pain cues override identity cues in baby cries - Archive ouverte HAL
Article Dans Une Revue iScience Année : 2024

Pain cues override identity cues in baby cries

Résumé

Baby cries can convey both static information related to individual identity and dynamic information related to the baby’s emotional and physiological state. How do these dimensions interact? Are they transmitted independently, or do they compete against one another? Here we show that the universal acoustic expression of pain in distress cries overrides individual differences at the expense of identity signaling. Our acoustic analysis show that pain cries, compared with discomfort cries, are characterized by a more unstable source, thus interfering with the production of identity cues. Machine learning analyses and psychoacoustic experiments reveal that while the baby’s identity remains encoded in pain cries, it is considerably weaker than in discomfort cries. Our results are consistent with the prediction that the costs of failing to signal distress outweigh the cost of weakening cues to identity.
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hal-04719402 , version 1 (03-10-2024)

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Siloé Corvin, Camille Fauchon, Hugues Patural, Roland Peyron, David Reby, et al.. Pain cues override identity cues in baby cries. iScience, 2024, 27 (7), pp.110375. ⟨10.1016/j.isci.2024.110375⟩. ⟨hal-04719402⟩
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