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• W2070291107 startingPage "1059" @default.
• W2070291107 abstract "As in other mammals, there is evidence that the African elephant voice reflects affect intensity, but it is less clear if positive and negative affective states are differentially reflected in the voice. An acoustic comparison was made between African elephant “rumble” vocalizations produced in negative social contexts (dominance interactions), neutral social contexts (minimal social activity), and positive social contexts (affiliative interactions) by four adult females housed at Disney’s Animal Kingdom®. Rumbles produced in the negative social context exhibited higher and more variable fundamental frequencies (F0) and amplitudes, longer durations, increased voice roughness, and higher first formant locations (F1), compared to the neutral social context. Rumbles produced in the positive social context exhibited similar shifts in most variables (F0 variation, amplitude, amplitude variation, duration, and F1), but the magnitude of response was generally less than that observed in the negative context. Voice roughness and F0 observed in the positive social context remained similar to that observed in the neutral context. These results are most consistent with the vocal expression of affect intensity, in which the negative social context elicited higher intensity levels than the positive context, but differential vocal expression of positive and negative affect cannot be ruled out." @default.
• W2070291107 created "2016-06-24" @default.
• W2070291107 creator A5019858969 @default.
• W2070291107 creator A5044407111 @default.
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• W2070291107 date "2011-02-01" @default.
• W2070291107 modified "2023-09-25" @default.
• W2070291107 title "Measuring positive and negative affect in the voiced sounds of African elephants (<i>Loxodonta africana</i>)" @default.
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• W2070291107 doi "https://doi.org/10.1121/1.3531798" @default.
• W2070291107 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21361461" @default.
• W2070291107 hasPublicationYear "2011" @default.
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