The body inversion effect in chimpanzees (Pan troglodytes).
The body inversion effect in chimpanzees (Pan troglodytes).
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DOI：
10.1371/journal.pone.0204131
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发表时间：
2018
期刊：
影响因子：
3.7
通讯作者：
Tomonaga M
中科院分区：
文献类型：
--
作者：
Gao J;Tomonaga M
对动物来说，身体是重要的社交线索。人体的身体识别能力因倒置而退化。这种倒置效应表明了对物体的构形处理，不同于对其他物体的处理。然而，目前尚不清楚这种类型的身体处理是否存在于非人类灵长类动物中。我们测试了7只黑猩猩，使用直立和倒立的黑猩猩身体刺激和其他匹配样本任务的刺激来研究身体倒立效应和引发这种效应的身体部位。我们的研究结果反映了完整的黑猩猩身体、完整的身体轮廓、清晰的面部但不呈现物体和其他不完整的身体轮廓和清晰的面部的情况下的身体反转效应。结果表明，黑猩猩与人类有着相同的身体构造过程，与其他物体相比，身体对它们来说是特殊的。研究结果还揭示了黑猩猩面部和身体轮廓在构形处理中的作用。
Bodies are important social cues for animals. Body recognition in humans is deteriorated by inversion. This inversion effect suggests the configural processing of bodies, which is different from the processing used for other objects. However, it is not known if this type of body processing exists in non-human primates. We tested seven chimpanzees using upright and inverted chimpanzee body stimuli and other stimuli in matching-to-sample tasks to examine the body inversion effect and the body parts that invoke it. Our results reflected the body inversion effect for intact chimpanzee bodies, bodies with complete body contours, and bodies with clear faces but not for the objects and other conditions that did not present complete body contours and clear faces. The results show that chimpanzees share configural body processing with humans and that bodies are special to them compared with other objects. The results also revealed the functions of faces and body contours in configural processing by chimpanzees.
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