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Campbell's Monkeys Use Affixation to Alter Call Meaning
Human language has evolved on a biological substrate with phylogenetic roots deep in the primate lineage. Here, we describe a functional analogy to a common morphological process in human speech,Expand
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Campbell's monkeys concatenate vocalizations into context-specific call sequences
Primate vocal behavior is often considered irrelevant in modeling human language evolution, mainly because of the caller's limited vocal control and apparent lack of intentional signaling. Here, weExpand
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Horse (Equus caballus) whinnies: a source of social information
Many animal species that rely mainly on calls to communicate produce individual acoustic structures, but we wondered whether individuals of species better known as visual communicants, with smallExpand
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Visual laterality in dolphins: importance of the familiarity of stimuli
BackgroundMany studies of cerebral asymmetries in different species lead, on the one hand, to a better understanding of the functions of each cerebral hemisphere and, on the other hand, to develop anExpand
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Social complexity parallels vocal complexity: a comparison of three non-human primate species
Social factors play a key role in the structuring of vocal repertoires at the individual level, notably in non-human primates. Some authors suggested that, at the species level too, social life mayExpand
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The alarm call system of female Campbell's monkeys
Field studies on male forest guenon alarm-calling behaviour have revealed a number of intricacies about how these primates use vocalizations to protect themselves from predation. In these species,Expand
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Acoustic variability and individual distinctiveness in the vocal repertoire of red-capped mangabeys (Cercocebus torquatus).
Acoustic variability and individual distinctiveness of vocal signals are expected to vary with both their communicative function and the need for individual recognition during social interactions. SoExpand
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Acoustic variability and social significance of calls in female Campbell's monkeys (Cercopithecus campbelli campbelli).
Although the vocal repertoire of nonhuman primates is strongly constrained by genetic, a growing number of studies evidence socially determined flexibility. According to Snowdon et al. [SocialExpand
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Monkey semantics: two ‘dialects’ of Campbell’s monkey alarm calls
We develop a formal semantic analysis of the alarm calls used by Campbell’s monkeys in the Tai forest (Ivory Coast) and on Tiwai island (Sierra Leone)—two sites that differ in the main predators that the monkeys are exposed to. Expand
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Youngsters do not pay attention to conversational rules: is this so for nonhuman primates?
The potentiality to find precursors of human language in nonhuman primates is questioned because of differences related to the genetic determinism of human and nonhuman primate acoustic structures.Expand
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