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Author |
Rendall, D.; Cheney, D.L.; Seyfarth, R.M. |
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Title |
Proximate factors mediating “contact” calls in adult female baboons (Papio cynocephalus ursinus) and their infants |
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Journal Article |
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Year |
2000 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
114 |
Issue |
1 |
Pages |
36-46 |
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Keywords |
Animals; Animals, Wild; Botswana; Female; *Maternal Behavior; Motivation; Orientation; Papio/*psychology; Social Environment; Sound Spectrography; *Vocalization, Animal |
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Abstract |
“Contact” calls are widespread in social mammals and birds, but the proximate factors that motivate call production and mediate their contact function remain poorly specified. Field study of chacma baboons (Papio cynocephalus ursinus) revealed that contact barks in adult females were motivated by separation both from the group at large and from their dependent infants. A variety of social and ecological factors affect the probability of separation from either one or both. Results of simultaneous observations and a playback experiment indicate that the contact function of calling between mothers and infants was mediated by occasional maternal retrieval rather than coordinated call exchange. Mothers recognized the contact barks of their own infants and often were strongly motivated to locate them. However, mothers did not produce contact barks in reply unless they themselves were at risk of becoming separated from the group. |
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Department of Psychology, University of Pennsylvania, USA. d.rendall@uleth.ca |
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0735-7036 |
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PMID:10739310 |
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no |
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Call Number |
refbase @ user @ |
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695 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
The acoustic features of vervet monkey grunts |
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Journal Article |
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Year |
1984 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
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Volume |
75 |
Issue |
5 |
Pages |
1623-1628 |
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Keywords |
*Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal |
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Abstract |
East African vervet monkeys give short (125 ms), harsh-sounding grunts to each other in a variety of social situations: when approaching a dominant or subordinate member of their group, when moving into a new area of their range, or upon seeing another group. Although all these vocalizations sound similar to humans, field playback experiments have shown that the monkeys distinguish at least four different calls. Acoustic analysis reveals that grunts have an aperiodic F0, at roughly 240 Hz. Most grunts exhibit a spectral peak close to this irregular F0. Grunts may also contain a second, rising or falling frequency peak, between 550 and 900 Hz. The location and changes in these two frequency peaks are the cues most likely to be used by vervets when distinguishing different grunt types. |
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0001-4966 |
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PMID:6736426 |
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refbase @ user @ |
Serial |
703 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
Meaning and mind in monkeys |
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Journal Article |
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Year |
1992 |
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Scientific American |
Abbreviated Journal |
Sci Am |
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Volume |
267 |
Issue |
6 |
Pages |
122-128 |
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Keywords |
Animals; Behavior, Animal; Female; *Haplorhini; Male; Speech; *Vocalization, Animal |
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University of Pennsylvania |
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0036-8733 |
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PMID:1439710 |
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no |
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Call Number |
refbase @ user @ |
Serial |
701 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
Meaning and emotion in animal vocalizations |
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Journal Article |
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Year |
2003 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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Volume |
1000 |
Issue |
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Pages |
32-55 |
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Keywords |
Acoustics; *Affect; Animals; Behavior, Animal; *Intention; Posture; Sound Spectrography; *Vocalization, Animal |
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Abstract |
Historically, a dichotomy has been drawn between the semantic communication of human language and the apparently emotional calls of animals. Current research paints a more complicated picture. Just as scientists have identified elements of human speech that reflect a speaker's emotions, field experiments have shown that the calls of many animals provide listeners with information about objects and events in the environment. Like human speech, therefore, animal vocalizations simultaneously provide others with information that is both semantic and emotional. In support of this conclusion, we review the results of field experiments on the natural vocalizations of African vervet monkeys, diana monkeys, baboons, and suricates (a South African mongoose). Vervet and diana monkeys give acoustically distinct alarm calls in response to the presence of leopards, eagles, and snakes. Each alarm call type elicits a different, adaptive response from others nearby. Field experiments demonstrate that listeners compare these vocalizations not just according to their acoustic properties but also according to the information they convey. Like monkeys, suricates give acoustically distinct alarm calls in response to different predators. Within each predator class, the calls also differ acoustically according to the signaler's perception of urgency. Like speech, therefore, suricate alarm calls convey both semantic and emotional information. The vocalizations of baboons, like those of many birds and mammals, are individually distinctive. As a result, when one baboon hears a sequence of calls exchanged between two or more individuals, the listener acquires information about social events in its group. Baboons, moreover, are skilled “eavesdroppers:” their response to different call sequences provides evidence of the sophisticated information they acquire from other individuals' vocalizations. Baboon males give loud “wahoo” calls during competitive displays. Like other vocalizations, these highly emotional calls provide listeners with information about the caller's dominance rank, age, and competitive ability. Although animal vocalizations, like human speech, simultaneously encode both semantic and emotional information, they differ from language in at least one fundamental respect. Although listeners acquire rich information from a caller's vocalization, callers do not, in the human sense, intend to provide it. Listeners acquire information as an inadvertent consequence of signaler behavior. |
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Departments of Psychology and Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. seyfarth@psych.upenn.edu |
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ISSN |
0077-8923 |
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Notes |
PMID:14766619 |
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no |
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Call Number |
refbase @ user @ |
Serial |
688 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
Signalers and receivers in animal communication |
Type |
Journal Article |
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Year |
2003 |
Publication |
Annual review of psychology |
Abbreviated Journal |
Annu Rev Psychol |
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Volume |
54 |
Issue |
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Pages |
145-173 |
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Keywords |
Affect; *Animal Communication; Animals; Arousal; Auditory Perception; Motivation; *Social Behavior; Social Environment; Species Specificity; *Vocalization, Animal |
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Abstract |
In animal communication natural selection favors callers who vocalize to affect the behavior of listeners and listeners who acquire information from vocalizations, using this information to represent their environment. The acquisition of information in the wild is similar to the learning that occurs in laboratory conditioning experiments. It also has some parallels with language. The dichotomous view that animal signals must be either referential or emotional is false, because they can easily be both: The mechanisms that cause a signaler to vocalize do not limit a listener's ability to extract information from the call. The inability of most animals to recognize the mental states of others distinguishes animal communication most clearly from human language. Whereas signalers may vocalize to change a listener's behavior, they do not call to inform others. Listeners acquire information from signalers who do not, in the human sense, intend to provide it. |
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Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. seyfarth@psych.upenn.edu |
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0066-4308 |
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Notes |
PMID:12359915 |
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Call Number |
refbase @ user @ |
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690 |
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Author |
Stober, M.; Geiger, J.F. |
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Title |
[Lamenting “moaning” in domestic cattle] |
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Journal Article |
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Year |
1975 |
Publication |
DTW. Deutsche Tierarztliche Wochenschrift |
Abbreviated Journal |
Dtsch Tierarztl Wochenschr |
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Volume |
82 |
Issue |
1 |
Pages |
10-13 |
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Keywords |
Animals; Behavior, Animal; *Cattle; Female; Personality; *Vocalization, Animal |
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German |
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Original Title |
Untersuchungen uber das klagende “Anken” beim Hausrind |
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0341-6593 |
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PMID:1089525 |
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Equine Behaviour @ team @ |
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4173 |
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