PIAGETIAN STAGE 5 IN 2 INFANT CHIMPANZEES (PAN-TROGLODYTES) - THE DEVELOPMENT OF PERMANENCE OF OBJECTS AND THE SPATIALISATION OF CAUSALITY
PIAGETIAN STAGE 5 IN 2 INFANT CHIMPANZEES (PAN-TROGLODYTES) - THE DEVELOPMENT OF PERMANENCE OF OBJECTS AND THE SPATIALISATION OF CAUSALITY
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DOI：
10.1007/bf02220259
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发表时间：
1993-12-01
影响因子：
2.5
通讯作者：
POTI, P
中科院分区：
文献类型：
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作者：
SPINOZZI, G;POTI, P
我们研究了两只黑猩猩婴儿的认知发展水平，分别在14个月和19个月大时进行测试，在皮亚杰认知发展框架下进行测试。我们执行了与理解物体-概念-可见位移任务和物理因果关系-支持问题相关的任务，并观察到与人类婴儿相似的反应。两个实验对象在19个月大的时候都进入了物体概念的第5阶段：事实上，只有在这个时候，黑猩猩才能够找到藏在哪里的物体。第4阶段的错误仍然是婴儿在14个月大时表现的特征。然而，在19个月大的被试中，只有1名被试能够解决支撑问题：当目标物体不在其上时，她忽略了支撑，这表明她理解目标物体与中介物体之间空间接触的必要性。相反，另一个被试并不擅长这样的任务，因为即使奖励放在旁边，他也会得到支持。在19个月大时，其因果关系水平仍然是第四阶段的特征。
We investigated the level of cognitive development of two chimpanzee infants, both tested at 14 and 19 months of age, within the Piagetian framework of cognitive development. We administered task related to the understanding of object-concept-visible displacement tasks-and the operation of physical causality-the support problem-and observed responses similar to those of human infants. Both subjects reached stage 5 object-concept when they were 19 months of age: only at this time, in fact, were chimpanzees able to find the object wherever it was hidden. Stage 4 errors still characterized infants' performance when they were 14 months old. However, only one of the 19-month-old subjects was able to solve the support problem: she ignored the support when the goal object did not rest on it, showing that she understood the necessity of spatial contact between the target and the intermediary object. On the contrary, the other subject was not proficient in such a task because he drew the support even when the reward was placed beside it. At 19 months of age its level of causality still remained characteristic of the fourth stage.