期刊
EVOLUTION AND HUMAN BEHAVIOR
卷 40, 期 2, 页码 214-221出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.evolhumbehav.2018.11.006
关键词
Language evolution; Interdependencies; Familiarization-discrimination; Automated video coding; Simiiformes; Familiarity preference
资金
- European Research Council (ERC) Advanced Grant SOMACCA [230604]
- Lise Meitner Postdoctoral Fellowship from the Austrian Science Fund (FWF) [M 1732-B19]
- Austrian Science Fund (FWF) [Y366-B17, W1234-G17]
- Banting Postdoctoral Fellowship - Natural Sciences and Engineering Research Council of Canada
- Uni:Docs doctoral fellowship program from the University of Vienna
- Marie Sklodowska-Curie grant [665501]
- Research Foundation Flanders (FWO Pegasus2Marie-Curie fellowship) [12N5517N]
- European Research Council (ERC) [230604] Funding Source: European Research Council (ERC)
- Marie Curie Actions (MSCA) [665501] Funding Source: Marie Curie Actions (MSCA)
Recognizing that two elements within a sequence of variable length depend on each other is a key ability in understanding the structure of language and music. Perception of such interdependencies has previously been documented in chimpanzees in the visual domain and in human infants and common squirrel monkeys with auditory playback experiments, but it remains unclear whether it typifies primates in general. Here, we investigated the ability of common marmosets (Callithrbc jacchus) to recognize and respond to such dependencies. We tested subjects in a familiarization-discrimination playback experiment using stimuli composed of pure tones that either conformed or did not conform to a grammatical rule. After familiarization to sequences with dependencies, marmosets spontaneously discriminated between sequences containing and lacking dependencies ('consistent' and 'inconsistent', respectively), independent of stimulus length. Marmosets looked more often to the sound source when hearing sequences consistent with the familiarization stimuli, as previously found in human infants. Crucially, looks were coded automatically by computer software, avoiding human bias. Our results support the hypothesis that the ability to perceive dependencies at variable distances was already present in the common ancestor of all anthropoid primates (Simiiformes).
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