Discrimination of functionally referential calls by laboratory-housed rhesus macaques: Implications for neuroethological studies
Discrimination of functionally referential calls by laboratory-housed rhesus macaques: Implications for neuroethological studies
复制标题
DOI：
10.1159/000070704
复制
发表时间：
2003-01-01
影响因子：
1.7
通讯作者：
Cohen, YE
中科院分区：
文献类型：
--
作者：
Gifford, GW;Hauser, MD;Cohen, YE
在研究听觉认知与行为学相关刺激的神经相关性之前，首先有必要确定实验室饲养的动物对这些刺激的反应具有物种典型反应。在这里，我们报告的实验室圈养的恒河猴使用两种典型的发声和带通噪声的实验结果。除了在该物种的实地研究中使用的方法外，我们还使用了一种习惯性辨别范式，其中听觉刺激被提出，猴子对刺激的定向反应被量化。在平行的实地研究中获得的结果，我们发现，实验室饲养的恒河猴分类物种典型的发声，根据其推定的所指属性，而不是相似的声学形态。在控制实验中，猴子面向带通噪声，但没有分类的噪声刺激的光谱组成的差异。这些研究结果支持的假设，即实验室饲养的恒河猴分类，在没有训练的情况下，物种典型的发声方式可比的恒河猴生活在更自然的条件下。因此，在从神经行为学的角度探索恒河猴听觉认知的神经相关性的实验中，种属典型的发声是适当的和必要的刺激。版权所有（C）2003 S. Karger AG，巴塞尔。
Prior to examining the neural correlates of auditory cognition with ethologically relevant stimuli, it is first necessary to establish that laboratory-housed animals respond to these stimuli with species-typical responses. Here, we report the results of experiments on laboratory-housed rhesus monkeys using both species-typical vocalizations and band-pass noise. Paralleling the approach used in field studies of this species, we used a habituation-discrimination paradigm in which auditory stimuli were presented and a monkey's orienting responses to the stimuli were quantified. In parallel with the results obtained in field studies, we found that laboratory-housed rhesus classified species-typical vocalizations according to their putative referent properties as opposed to similarities in their acoustic morphology. In control experiments, monkeys oriented to band-pass noise but did not categorize differences in the spectral composition of the noise stimuli. These findings support the hypothesis that laboratory-housed rhesus classify, in the absence of training, species-typical vocalizations in a manner comparable to rhesus monkeys living under more natural conditions. As such, species-typical vocalizations are an appropriate and necessary class of stimuli in experiments that explore the neural correlates of auditory cognition in rhesus monkeys from a neuroethological perspective. Copyright (C) 2003 S. Karger AG, Basel.