2005年5月
Can chimpanzee infants (Pan troglodytes) form categorical representations in the same manner as human infants (Homo sapiens)?
Developmental science
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- 巻
- 8
- 号
- 3
- 開始ページ
- 240
- 終了ページ
- 54
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1111/j.1467-7687.2005.00413.x
- 出版者・発行元
- BLACKWELL PUBL LTD
We directly compared chimpanzee infants and human infants for categorical representations of three global-like categories (mammals, furniture and vehicles), using the familiarization-novelty preference technique. Neither species received any training during the experiments. We used the time that participants spent looking at the stimulus object while touching it as a measure. During the familiarization phase, participants were presented with four familiarization objects from one of three categories (e.g. mammals). Then, they were tested with a pair of novel objects, one was a familiar-category object and another was a novel-category object (e.g. vehicle) in the test phase. The chimpanzee infants did not show significant habituation, whereas human infants did. However, most important, both species showed significant novelty-preference in the test phase. This indicates that not only human infants, but also chimpanzee infants formed categorical representations of a global-like level. Implications for the shared origins and species-specificity of categorization abilities, and the cognitive operations underlying categorization, are discussed.
- リンク情報
- ID情報
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- DOI : 10.1111/j.1467-7687.2005.00413.x
- ISSN : 1363-755X
- PubMed ID : 15819756
- Web of Science ID : WOS:000228697500007