Orangutans (Pongo pygmaeus) remember old acquaintances.

Orangutans (Pongo pygmaeus) remember old acquaintances.
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DOI:
10.1371/journal.pone.0082073
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Midorikawa A
Midorikawa A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Hanazuka Y;Shimahara N;Tokuda Y;Midorikawa A

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许多群居动物能区分熟悉和陌生的面孔。然而,猩猩过着半孤独的生活,一天中的大部分时间都是独自度过的。因此,它们可能不太擅长识别同种,并且是确定社会结构如何影响社会认知进化(如面部识别)的良好模型。目前的研究是关于红毛猩猩是否能够区分不同面孔的首次报道。我们采用了一种优先寻找的方法,发现猩猩使用面部辨别来识别已知的同种。这表明频繁和强烈的社会互动对于面部歧视来说并不是必要的,尽管我们的研究结果受到刺激数量少以及刺激中描绘的雄性和雌性猩猩数量不相等的限制。
Many social animals can discriminate between familiar and unfamiliar faces. Orangutans, however, lead a semi-solitary life and spend much of the day alone. As such, they may be less adept at recognizing conspecifics and are a good model for determining how social structure influences the evolution of social cognition such as facial recognition. The present study is the first report of whether orangutans can distinguish among individual faces. We adopted a preferential looking method and found that orangutans used facial discrimination to identify known conspecifics. This suggests that frequent and intense social interaction is not necessary for facial discrimination, although our findings were limited by the small number of stimuli and the unequal numbers of male and female orangutans depicted in the stimuli.
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发表时间: 2000-12-01
影响因子: 1.4
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