黑猩猩（Pan troglodytes）的偏侧抓挠行为：唤起过程中功能不对称的证据。
Lateralized scratching in chimpanzees (Pan troglodytes): Evidence of a functional asymmetry during arousal.
作者信息
Hopkins William D, Russell Jamie L, Freeman Hani, Reynolds Elizabeth A M, Griffis Caroline, Leavens David A
机构信息
Division of Psychobiology, Yerkes National Primate Research Center, Atlanta, GA 30322, USA.
出版信息
Emotion. 2006 Nov;6(4):553-9. doi: 10.1037/1528-3542.6.4.553.
Abstract
This study evaluated laterality in scratching by chimpanzees (n = 89) during socially arousing circumstances. Hand use and the side of the body scratched was recorded during a baseline and experimental condition. In the experimental condition, chimpanzees were shown a video of other conspecifics sharing, fighting over, and consuming a watermelon. Self-touches were categorized as either rubs or scratches. The chimpanzees showed a significant right hand bias for rubbing and also significantly directed the rubs to the right side of the body. For scratching, the chimpanzees showed no hand preference but a significant bias for scratching on the left side of the body. These results support the view that the right hemisphere regulates the autonomic nervous system during arousal.
摘要
本研究评估了89只黑猩猩在社交激发情境下抓挠行为的偏向性。在基线期和实验期记录了手部使用情况以及抓挠身体的部位。在实验期，向黑猩猩播放了其他同种个体分享、争抢和食用西瓜的视频。自我触摸行为被归类为摩擦或抓挠。黑猩猩在摩擦行为上表现出显著的右手偏向，并且摩擦行为也显著集中在身体右侧。对于抓挠行为，黑猩猩没有手部偏好，但在身体左侧抓挠有显著偏向。这些结果支持了右半球在激发过程中调节自主神经系统的观点。
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