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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 15 of 15 1 Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage Grawunder, Sven; Uomini, Natalie; Samuni, Liran... In: ISSN: 0962-8436 ; EISSN: 1471-2970 ; Philosophical Transactions of the Royal Society B: Biological Sciences ; https://hal.archives-ouvertes.fr/hal-03455415 ; Philosophical Transactions of the Royal Society B: Biological Sciences, Royal Society, The, 2021, Voice modulation: from origin and mechanism to social impact (Part II), 377 (1841), ⟨10.1098/rstb.2020.0455⟩ (2021) BASE Show details 2 Supplementary figures and tables from Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage ... Grawunder, Sven; Uomini, Natalie; Samuni, Liran. - : The Royal Society, 2021 BASE Show details 3 Supplementary figures and tables from Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage ... Grawunder, Sven; Uomini, Natalie; Samuni, Liran. - : The Royal Society, 2021 BASE Show details 4 Supplementary material from "Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage" ... Grawunder, Sven; Uomini, Natalie; Samuni, Liran. - : The Royal Society, 2021 BASE Show details 5 Supplementary material from "Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage" ... Grawunder, Sven; Uomini, Natalie; Samuni, Liran. - : The Royal Society, 2021 BASE Show details 6 Supplementary material from "Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage" ... Grawunder, Sven; Uomini, Natalie; Samuni, Liran. - : The Royal Society, 2021 BASE Show details 7 Supplementary figures and tables from Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage ... Grawunder, Sven; Uomini, Natalie; Samuni, Liran. - : The Royal Society, 2021 BASE Show details 8 The development of communication in alarm contexts in wild chimpanzees Dezecache, Guillaume; Crockford, Catherine; Zuberbühler, Klaus In: ISSN: 0340-5443 ; EISSN: 1432-0762 ; Behavioral Ecology and Sociobiology ; https://hal.archives-ouvertes.fr/hal-02454678 ; Behavioral Ecology and Sociobiology, Springer Verlag, 2019, 73 (8), ⟨10.1007/s00265-019-2716-6⟩ (2019) BASE Show details 9 The development of communication in alarm contexts in wild chimpanzees Dezecache, Guillaume; Crockford, Catherine; Zuberbuhler, Klaus. - 2019 Abstract: Funding: The Royal Zoological Society of Scotland provided core funding to the Budongo Conservation Field Station. This research was financially supported by FP7-IDEAS-ERC (324115), the Agence Nationale de la Recherche (ANR-10-LABX-0087 IEC and ANR-10-IDEX-0001-02 PSL) and by the Swiss National Science Foundation (31003A_166458). ; Animals have evolved a range of communicative behaviours in the presence of danger. Although the mechanisms and functions of some of these behaviours have been relatively well researched, comparatively little is known about their ontogeny, including how animals learn to inform social partners about impending danger. In adult chimpanzees, behaviours in response to dangers involve several channels, particularly alarm calls and simultaneous gaze alternations with nearby recipients. Gaze alternations may allow inexperienced individuals to learn from more experienced ones by assessing their reactions to unfamiliar objects or events, but they may also provide the basis for more advanced social referencing. Here, we were interested in the development of these two common behaviours, alarm calling and gaze alternations, in wild chimpanzees (Pan troglodytes schweinfurthii) confronted with a threat. Using a cross-sectional design, we investigated those in 8 infant and 8 juveniles by experimentally exposing them to an unfamiliar but potentially dangerous object, a large, remotely controlled, moving spider model. For alarm calling, we found a positive relation with age, starting at around 28 months, although alarm calls were not consistently emitted until after 80 months. For gaze alternations, we found no age effect, with some of the youngest infants already showing the behaviour. Although its function remains unclear in infant and juvenile chimpanzees, gaze alternations emerge early in chimpanzee development. Alarm calling may require more advanced developmental stages, such as greater perceptual abilities, categorical capacities or more sophisticated social cognition, i.e. an understanding that danger is a collective experience that requires communication. ; Publisher PDF ; Peer reviewed Keyword: Alarm calling; BF; BF Psychology; DAS; Gaze; Pan troglodytes; QH301; QH301 Biology; RC0321; RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry; Social cognition; Social learning URL: https://doi.org/10.1007/s00265-019-2716-6 http://hdl.handle.net/10023/18057 BASE Hide details 10 The development of communication in alarm contexts in wild chimpanzees Dezecache, Guillaume; Crockford, Catherine; Zuberbühler, Klaus. - : Springer Berlin Heidelberg, 2019 BASE Show details 11 Vocalizing in chimpanzees is influenced by social-cognitive processes Crockford, Catherine; Wittig, Roman M.; Zuberbuehler, Klaus. - 2018 BASE Show details 12 Assessing functional communication in aphasia: clinical utility and time demands of three methods Crockford, Catherine; Lesser, Ruth In: International journal of language & communication disorders. - Oxford : Wiley-Blackwell 29 (1994) 2, 165-182 OLC Linguistik Show details 13 Assessing functional communication in aphasia: clinical utility and time demands of three methods Crockford, Catherine; Lesser, Ruth In: International Journal of Language and Communication Disorders 29 (1994), 165-182 IDS Bibliografie zur Gesprächsforschung Show details 14 Assessing functional communication in aphasia : clinical utility and time demands of three methods Crockford, Catherine; Lesser, Ruth In: European journal of disorders of communication. - London : Whurr 29 (1994) 2, 165-182 BLLDB Show details 15 Chimpanzee vowel-like sounds and voice quality suggest formant space expansion through the hominoid lineage Grawunder, Sven; Uomini, Natalie; Samuni, Liran... In: Philos Trans R Soc Lond B Biol Sci (1479) BASE Show details

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