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黑猩猩(Pan troglodytes)的出生顺序与用手偏好:对人类用手习惯病理模型的启示

Birth order and hand preference in chimpanzees (Pan troglodytes): implications for pathological models of handedness in humans.

作者信息

Hopkins W D, Dahl J F

机构信息

Department of Psychology, Berry College, USA.

出版信息

J Comp Psychol. 2000 Sep;114(3):302-6. doi: 10.1037/0735-7036.114.3.302.

Abstract

The effect of birth order on hand preference was assessed in a sample of 154 captive-born chimpanzees. Subjects were classified as first, middle, or latter born using 2 classification criteria based on their birth order. Hand preference was measured using a task that elicited coordinated bimanual actions. Significant birth-order effects were found for both classification criteria, with first- and latter-born subjects exhibiting a lesser degree of right-handedness compared with middle-born subjects. These data suggest that biological rather than sociological factors play a greater role in explaining the observed birth-order effects on hand preference in humans.

摘要

在154只圈养出生的黑猩猩样本中评估了出生顺序对用手偏好的影响。根据出生顺序,使用两种分类标准将受试者分为头胎、中间胎或末胎。用手偏好是通过一项引发双手协调动作的任务来测量的。两种分类标准均发现了显著的出生顺序效应,头胎和末胎受试者与中间胎受试者相比,右利手程度较低。这些数据表明,在解释观察到的人类出生顺序对用手偏好的影响方面,生物学因素而非社会学因素起了更大作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/880c/2025581/f2ba5e56a3f2/nihms-30507-f0001.jpg

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