Recognition of non-harmonic natural sounds by small mammals using competitive training.
Recognition of non-harmonic natural sounds by small mammals using competitive training.
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DOI：
10.1371/journal.pone.0051318
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发表时间：
2012
期刊：
影响因子：
3.7
通讯作者：
Horikawa J
中科院分区：
文献类型：
--
作者：
Ojima H;Taira M;Kubota M;Horikawa J
动物识别生物相关的声音，如一些捕食者发出的非谐波声音，并做出适应性行为，如逃跑。为了阐明哪些声学参数用于识别非谐波、类噪声、宽带声音，通过引入一种新的训练程序，使豚鼠适应自然目标声音，其中一组中的2或3只豚鼠竞争食物。在为期2周的操作训练中，一组不同的行为反应几乎完全是对目标声音的可靠诱导。当完全条件反射时，单独测试个体动物对一组目标样声音的识别，这些声音是从目标声音修改而来的，消除了频谱范围，或者改变了精细或粗糙的时间结构。结果表明，豚鼠能够识别噪声类非谐波自然声音依赖于总的频谱成分和/或精细的时间结构，就像鸟类被认为是在谐波鸟鸣识别。这些研究结果进行了讨论方面的相似之处和不同之处，谐波的声音识别。研究结果表明，相似但不相同的处理，需要不同的时间尺度可能被用来识别谐波和非谐波的声音，至少在小型哺乳动物。
Animals recognize biologically relevant sounds, such as the non-harmonic sounds made by some predators, and respond with adaptive behaviors, such as escaping. To clarify which acoustic parameters are used for identifying non-harmonic, noise-like, broadband sounds, guinea pigs were conditioned to a natural target sound by introducing a novel training procedure in which 2 or 3 guinea pigs in a group competed for food. A set of distinct behavioral reactions was reliably induced almost exclusively to the target sound in a 2-week operant training. When fully conditioned, individual animals were separately tested for recognition of a set of target-like sounds that had been modified from the target sound, with spectral ranges eliminated or with fine or coarse temporal structures altered. The results show that guinea pigs are able to identify the noise-like non-harmonic natural sounds by relying on gross spectral compositions and/or fine temporal structures, just as birds are thought to do in the recognition of harmonic birdsongs. These findings are discussed with regard to similarities and dissimilarities to harmonic sound recognition. The results suggest that similar but not identical processing that requires different time scales might be used to recognize harmonic and non-harmonic sounds, at least in small mammals.
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DOI：
10.1073/pnas.122606499
发表时间：
2002-06-25
影响因子：
11.1
作者：
Geissler, DB;Ehret, G
通讯作者：
Ehret, G
影响因子：
2.4
作者：
Hopkins, Kathryn;Moore, Brian C. J.
通讯作者：
Moore, Brian C. J.
影响因子：
1.4
作者：
Braaten, Richard F.;Petzoldt, Molly;Colbath, Aimee
通讯作者：
Colbath, Aimee
影响因子：
2.4
作者：
Dooling, RJ;Leek, MR;Dent, ML
通讯作者：
Dent, ML
影响因子：
16.2
作者：
Maier, JX;Neuhoff, JG;Ghazanfar, AA
通讯作者：
Ghazanfar, AA