Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning

Abstract Footshock self-experience enhances rodents’ reactions to the distress of others. Here, we tested one potential mechanism supporting this phenomenon, namely that animals auto-condition to their own pain squeaks during shock pre-exposure. In Experiment 1, shock pre-exposure increased freezing...
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Autor*in:	Julian Packheiser [verfasserIn] Efe Soyman [verfasserIn] Enrica Paradiso [verfasserIn] Frédéric Michon [verfasserIn] Eline Ramaaker [verfasserIn] Neslihan Sahin [verfasserIn] Sharmistha Muralidharan [verfasserIn] Markus Wöhr [verfasserIn] Valeria Gazzola [verfasserIn] Christian Keysers [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Übergeordnetes Werk:	In: Communications Biology - Nature Portfolio, 2018, 6(2023), 1, Seite 19
Übergeordnetes Werk:	volume:6 ; year:2023 ; number:1 ; pages:19

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1038/s42003-023-05474-x

Katalog-ID:	DOAJ092878342

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520			\|a Abstract Footshock self-experience enhances rodents’ reactions to the distress of others. Here, we tested one potential mechanism supporting this phenomenon, namely that animals auto-condition to their own pain squeaks during shock pre-exposure. In Experiment 1, shock pre-exposure increased freezing and 22 kHz distress vocalizations while animals listened to the audible pain-squeaks of others. In Experiment 2 and 3, to test the auto-conditioning theory, we weakened the noxious pre-exposure stimulus not to trigger pain squeaks, and compared pre-exposure protocols in which we paired it with squeak playback against unpaired control conditions. Although all animals later showed fear responses to squeak playbacks, these were weaker than following typical pre-exposure (Experiment 1) and not stronger following paired than unpaired pre-exposure. Experiment 1 thus demonstrates the relevance of audible pain squeaks in the transmission of distress but Experiment 2 and 3 highlight the difficulty to test auto-conditioning: stimuli weak enough to decouple pain experience from hearing self-emitted squeaks are too weak to trigger the experience-dependent increase in fear transmission that we aimed to study. Although our results do not contradict the auto-conditioning hypothesis, they fail to disentangle it from sensitization effects. Future studies could temporarily deafen animals during pre-exposure to further test this hypothesis.
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spelling	10.1038/s42003-023-05474-x doi (DE-627)DOAJ092878342 (DE-599)DOAJeeca2bd411c8417fad39c843a9284930 DE-627 ger DE-627 rakwb eng QH301-705.5 Julian Packheiser verfasserin aut Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Footshock self-experience enhances rodents’ reactions to the distress of others. Here, we tested one potential mechanism supporting this phenomenon, namely that animals auto-condition to their own pain squeaks during shock pre-exposure. In Experiment 1, shock pre-exposure increased freezing and 22 kHz distress vocalizations while animals listened to the audible pain-squeaks of others. In Experiment 2 and 3, to test the auto-conditioning theory, we weakened the noxious pre-exposure stimulus not to trigger pain squeaks, and compared pre-exposure protocols in which we paired it with squeak playback against unpaired control conditions. Although all animals later showed fear responses to squeak playbacks, these were weaker than following typical pre-exposure (Experiment 1) and not stronger following paired than unpaired pre-exposure. Experiment 1 thus demonstrates the relevance of audible pain squeaks in the transmission of distress but Experiment 2 and 3 highlight the difficulty to test auto-conditioning: stimuli weak enough to decouple pain experience from hearing self-emitted squeaks are too weak to trigger the experience-dependent increase in fear transmission that we aimed to study. Although our results do not contradict the auto-conditioning hypothesis, they fail to disentangle it from sensitization effects. Future studies could temporarily deafen animals during pre-exposure to further test this hypothesis. Biology (General) Efe Soyman verfasserin aut Enrica Paradiso verfasserin aut Frédéric Michon verfasserin aut Eline Ramaaker verfasserin aut Neslihan Sahin verfasserin aut Sharmistha Muralidharan verfasserin aut Markus Wöhr verfasserin aut Valeria Gazzola verfasserin aut Christian Keysers verfasserin aut In Communications Biology Nature Portfolio, 2018 6(2023), 1, Seite 19 (DE-627)101369080X 23993642 nnns volume:6 year:2023 number:1 pages:19 https://doi.org/10.1038/s42003-023-05474-x kostenfrei https://doaj.org/article/eeca2bd411c8417fad39c843a9284930 kostenfrei https://doi.org/10.1038/s42003-023-05474-x kostenfrei https://doaj.org/toc/2399-3642 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2023 1 19
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callnumber-first	Q - Science
author	Julian Packheiser
spellingShingle	Julian Packheiser misc QH301-705.5 misc Biology (General) Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
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topic_title	QH301-705.5 Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
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title	Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
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title_full	Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
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author_browse	Julian Packheiser Efe Soyman Enrica Paradiso Frédéric Michon Eline Ramaaker Neslihan Sahin Sharmistha Muralidharan Markus Wöhr Valeria Gazzola Christian Keysers
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title_sort	audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
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title_auth	Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
abstract	Abstract Footshock self-experience enhances rodents’ reactions to the distress of others. Here, we tested one potential mechanism supporting this phenomenon, namely that animals auto-condition to their own pain squeaks during shock pre-exposure. In Experiment 1, shock pre-exposure increased freezing and 22 kHz distress vocalizations while animals listened to the audible pain-squeaks of others. In Experiment 2 and 3, to test the auto-conditioning theory, we weakened the noxious pre-exposure stimulus not to trigger pain squeaks, and compared pre-exposure protocols in which we paired it with squeak playback against unpaired control conditions. Although all animals later showed fear responses to squeak playbacks, these were weaker than following typical pre-exposure (Experiment 1) and not stronger following paired than unpaired pre-exposure. Experiment 1 thus demonstrates the relevance of audible pain squeaks in the transmission of distress but Experiment 2 and 3 highlight the difficulty to test auto-conditioning: stimuli weak enough to decouple pain experience from hearing self-emitted squeaks are too weak to trigger the experience-dependent increase in fear transmission that we aimed to study. Although our results do not contradict the auto-conditioning hypothesis, they fail to disentangle it from sensitization effects. Future studies could temporarily deafen animals during pre-exposure to further test this hypothesis.
abstractGer	Abstract Footshock self-experience enhances rodents’ reactions to the distress of others. Here, we tested one potential mechanism supporting this phenomenon, namely that animals auto-condition to their own pain squeaks during shock pre-exposure. In Experiment 1, shock pre-exposure increased freezing and 22 kHz distress vocalizations while animals listened to the audible pain-squeaks of others. In Experiment 2 and 3, to test the auto-conditioning theory, we weakened the noxious pre-exposure stimulus not to trigger pain squeaks, and compared pre-exposure protocols in which we paired it with squeak playback against unpaired control conditions. Although all animals later showed fear responses to squeak playbacks, these were weaker than following typical pre-exposure (Experiment 1) and not stronger following paired than unpaired pre-exposure. Experiment 1 thus demonstrates the relevance of audible pain squeaks in the transmission of distress but Experiment 2 and 3 highlight the difficulty to test auto-conditioning: stimuli weak enough to decouple pain experience from hearing self-emitted squeaks are too weak to trigger the experience-dependent increase in fear transmission that we aimed to study. Although our results do not contradict the auto-conditioning hypothesis, they fail to disentangle it from sensitization effects. Future studies could temporarily deafen animals during pre-exposure to further test this hypothesis.
abstract_unstemmed	Abstract Footshock self-experience enhances rodents’ reactions to the distress of others. Here, we tested one potential mechanism supporting this phenomenon, namely that animals auto-condition to their own pain squeaks during shock pre-exposure. In Experiment 1, shock pre-exposure increased freezing and 22 kHz distress vocalizations while animals listened to the audible pain-squeaks of others. In Experiment 2 and 3, to test the auto-conditioning theory, we weakened the noxious pre-exposure stimulus not to trigger pain squeaks, and compared pre-exposure protocols in which we paired it with squeak playback against unpaired control conditions. Although all animals later showed fear responses to squeak playbacks, these were weaker than following typical pre-exposure (Experiment 1) and not stronger following paired than unpaired pre-exposure. Experiment 1 thus demonstrates the relevance of audible pain squeaks in the transmission of distress but Experiment 2 and 3 highlight the difficulty to test auto-conditioning: stimuli weak enough to decouple pain experience from hearing self-emitted squeaks are too weak to trigger the experience-dependent increase in fear transmission that we aimed to study. Although our results do not contradict the auto-conditioning hypothesis, they fail to disentangle it from sensitization effects. Future studies could temporarily deafen animals during pre-exposure to further test this hypothesis.
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title_short	Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning
url	https://doi.org/10.1038/s42003-023-05474-x https://doaj.org/article/eeca2bd411c8417fad39c843a9284930 https://doaj.org/toc/2399-3642
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up_date	2024-07-03T14:06:43.535Z
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Audible pain squeaks can mediate emotional contagion across pre-exposed rats with a potential effect of auto-conditioning

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