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首页> 外文期刊>Journal of the experimental analysis of behavior >EMERGENT IDENTITY BUT NOT SYMMETRY FOLLOWING SUCCESSIVE OLFACTORY DISCRIMINATION TRAINING IN RATS
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EMERGENT IDENTITY BUT NOT SYMMETRY FOLLOWING SUCCESSIVE OLFACTORY DISCRIMINATION TRAINING IN RATS

机译：大鼠成功进行嗅觉鉴别训练后出现紧急身份但不对称

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The search for symmetry in nonhuman subjects has been successful in recent studies in pigeons (e.g., Urcuioli, 2008). The key to these successes has been the use of successive discrimination procedures and combined training on identity, as well as arbitrary, baseline relations. The present study was an effort to extend the findings and theoretical analysis developed by Urcuioli and his colleagues to rats using olfactory rather than visual stimuli. Experiment 1 was a systematic replication of Urcuioli's (2008) demonstration of symmetry in pigeons. Rats were exposed to unreinforced symmetry probes following training with two arbitrary and four identity conditional discriminations. Response rates on symmetry probe trials were low and provided little evidence for emergent symmetry in any of the seven rats tested. In Experiment 2, a separate group of six rats was trained on four identity relations and was then exposed to probe trials with four novel odor stimuli. Response rates were high on identity probe trials, and low on nonmatching probe trials. The similar patterns of responding on baseline and probe trials that were shown by most rats provided a demonstration of generalized identity matching. These findings suggest that the development of stimulus control topographies in rats with olfactory stimuli may differ from those that emerge in pigeons with visual stimuli. Urcuioli's (2008) theory has been highly successful in predicting conditions necessary for stimulus class formation in pigeons, but may not be sufficient to fully understand determinants of emergent behaviors in other nonhuman species.
机译：在非人类对象中寻找对称性在最近的鸽子研究中是成功的（例如，Urcuioli，2008）。这些成功的关键在于使用了连续的歧视程序以及对身份以及任意基线关系的综合培训。本研究旨在将Urcuioli及其同事开发的发现和理论分析扩展至使用嗅觉而非视觉刺激的大鼠。实验1是Urcuioli（2008）在鸽子中对称性证明的系统复制。训练后，将大鼠暴露于未经加强的对称探针中，该探针带有两个任意和四个同一性条件判别法。对称性探针试验的反应率很低，并且几乎没有提供证据表明在测试的七只大鼠中出现了对称性。在实验2中，对六只大鼠的另一组进行了四个身份关系的训练，然后进行了四个新气味刺激的探针试验。同一性探针试验的应答率高，非匹配探针试验的应答率低。大多数大鼠所显示的对基线和探针试验的相似应答方式提供了通用身份匹配的例证。这些发现表明，嗅觉刺激大鼠的刺激控制地形可能与有视觉刺激的鸽子不同。 Urcuioli（2008）的理论在预测鸽子刺激类别形成所必需的条件方面非常成功，但可能不足以完全理解其他非人类物种中突发行为的决定因素。

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