Tool-use learning by common marmosets (Callithrix jacchus).
Tool-use learning by common marmosets (Callithrix jacchus).
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DOI：
10.1007/s00221-011-2778-9
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发表时间：
2011-08
影响因子：
2
通讯作者：
Iriki, Atsushi
中科院分区：
文献类型：
--
作者：
Yamazaki, Yumiko;Echigo, Chieko;Saiki, Masakado;Inada, Masayuki;Watanabe, Shigeru;Iriki, Atsushi
使用工具的最重要和最常见的特征之一是，工具基本上是身体的一部分。这一特征可能源于工具用户共享的生物特征。为了建立一个理想的灵长类动物模型来探索支持工具使用行为的神经生物学机制，我们训练了普通的绒猴，一种通常与工具使用无关的小型新世界猴种，使用耙形工具来获取食物。五个天真的普通绒猴进行了系统的训练，使用4个阶段，一步一步的协议操作的工具。操纵工具和食物的相对位置，使得绒猴被要求（1）垂直地拉动工具，（2）水平地移动工具，（3）做出弧形以取回位于工具后面的食物，以及（4）取回食物。我们发现相当大的个体差异的工具使用技术，例如，一只动物始终使用单侧的手运动的所有步骤，而其他（n = 4）使用双手移动工具，这取决于食物的位置。经过大量的训练，所有的绒猴都能操纵耙形工具，这在该物种中尚属首次报道。因此，普通绒猴是此类研究的模型灵长类动物。这项研究为未来的研究奠定了基础，以研究在分子和遗传水平上使用工具的认知能力的生物学机制。本文的在线版本（doi：10.1007/s 00221 -011-2778-9）包含补充材料，可供授权用户使用。
One of the most critical and common features of tool use is that the tool essentially functions as a part of the body. This feature is likely rooted in biological features that are shared by tool users. To establish an ideal primate model to explore the neurobiological mechanisms supporting tool-use behaviours, we trained common marmosets, a small New World monkey species that is not usually associated with tool use, to use a rake-shaped tool to retrieve food. Five naive common marmosets were systematically trained to manipulate the tool using a 4-stage, step-by-step protocol. The relative positions of the tool and the food were manipulated, so that the marmosets were required to (1) pull the tool vertically, (2) move the tool horizontally, (3) make an arc to retrieve a food item located behind the tool and (4) retrieve the food item. We found considerable individual differences in tool-use technique; for example, one animal consistently used a unilateral hand movement for all of the steps, whereas the others (n = 4) used both hands to move the tool depending on the location of the food item. After extensive training, all of the marmosets could manipulate the rake-shaped tool, which is reported in this species for the first time. The common marmoset is thus a model primate for such studies. This study sets the stage for future research to examine the biological mechanisms underlying the cognitive ability of tool use at the molecular and genetic levels. The online version of this article (doi:10.1007/s00221-011-2778-9) contains supplementary material, which is available to authorized users.
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影响因子：
2.6
作者：
Hihara, Sayaka;Notoya, Tomonori;Iriki, Atsushi
通讯作者：
Iriki, Atsushi
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