Constraints on vocal production learning in budgerigars (Melopsittacus undulates).
Constraints on vocal production learning in budgerigars (Melopsittacus undulates).
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DOI：
10.3758/s13420-021-00465-6
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发表时间：
2021-03
影响因子：
1.8
通讯作者：
Dooling RJ
中科院分区：
文献类型：
--
作者：
Osmanski MS;Seki Y;Dooling RJ
虎皮鹦鹉（学名：Melopsittacus undulatus）是一种小型的澳大利亚鹦鹉，具有良好的记录，学习声乐曲目和高度的声乐生产学习。这些鸟生活在大型的社会群体中，它们以动态的、互惠的方式相互交流。我们假设，虎皮鹦鹉必须处理和整合各种各样的感官刺激时，选择适当的声乐反应同种在声乐互动，但这些不同的刺激，该过程的相对贡献是不可能的，在自然环境中梳理分开。在这里，我们表明，虎皮鹦鹉，在操作性控制下，可以学习响应特定的声音反应与特定的刺激。虎皮鹦鹉被训练产生接触呼叫的听觉和视觉线索的组合。鸟类学会了对不同位置（视觉或听觉）或质量（视觉）的刺激产生特定的接触呼叫。有趣的是，这些鸟无法学会将不同的声音反应与来自同一位置的不同听觉刺激联系起来。令人惊讶的是，即使听觉刺激和反应相同（即，鸟自己的联系电话）。这些结果表明，即使在一个高度控制的操作性背景下，单独的声学线索是不足以支持鹦鹉的发声学习。从不同的角度来看，这些结果突出了社会互动可能在发声学习中发挥的重要作用，艾琳·佩珀伯格在鹦鹉身上的工作优雅地展示了这一点。
Budgerigars (Melopsittacus undulatus) are small Australian parrots with a well-documented, learned vocal repertoire and a high degree of vocal production learning. These birds live in large, social flocks and they vocally interact with each other in a dynamic, reciprocal manner. We assume that budgerigars must process and integrate a wide variety of sensory stimuli when selecting appropriate vocal responses to conspecifics during vocal interactions, but the relative contributions of these different stimuli to that process are next to impossible to tease apart in a natural context. Here we show that budgerigars, under operant control, can learn to respond to specific stimuli with a specific vocal response. Budgerigars were trained to produce contact calls to a combination of auditory and visual cues. Birds learned to produce specific contact calls to stimuli that differed either in location (visual or auditory) or quality (visual). Interestingly, the birds could not learn to associate different vocal responses with different auditory stimuli coming from the same location. Surprisingly, this was so even when the auditory stimuli and the responses were the same (i.e., the bird’s own contact call). These results show that even in a highly controlled operant context, acoustic cues alone were not sufficient to support vocal production learning in budgerigars. From a different perspective, these results highlight the significant role that social interaction likely plays in vocal production learning so elegantly shown by Irene Pepperberg’s work in parrots.
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