The role of reference points in ordinal numerical comparisons by rhesus macaques (Macaca mulatta)

被引:34
作者
Brannon, EM
Cantlon, JF
Terrace, HS
机构
[1] Duke Univ, Ctr Cognit Neurosci, Durham, NC 27708 USA
[2] Duke Univ, Dept Psychol & Brain Sci, Durham, NC 27708 USA
[3] New York State Psychiat Inst & Hosp, New York, NY 10032 USA
[4] Columbia Univ, Dept Psychol, New York, NY 10027 USA
来源
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIORAL PROCESSES | 2006年 / 32卷 / 02期
关键词
Weber's law; ordinal numerical knowledge; visual arrays; numerical representations; animal cognition;
D O I
10.1037/0097-7403.32.2.120
中图分类号
学科分类号
摘要
Two experiments examined ordinal numerical knowledge in rhesus macaques (Macaca mulatta). Experiment 1 replicated the finding (E. A Brannon & H. S. Terrace, 2000) that monkeys trained to respond in descending numerical order (4 -> 3 -> 2 -> 1) did not generalize the descending rule to the novel values 5-9 in contrast to monkeys trained to respond in ascending order. Experiment 2 examined whether the failure to generalize a descending rule was Clue to the direction of the training sequence or to the specific values used in the training sequence. Results implicated 3 factors that characterize a monkey's numerical comparison process: Weber's law, knowledge of ordinal direction, and a comparison of each value in a test pair with the reference point established by the first value of the training sequence.
引用
收藏
页码:120 / 134
页数:15
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