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首页> 外文期刊>Neuron >Coding of cognitive magnitude. Compressed scaling of numerical information in the primate prefrontal cortex.
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Coding of cognitive magnitude. Compressed scaling of numerical information in the primate prefrontal cortex.

机译：认知量级的编码。灵长类前额叶皮层中数字信息的压缩缩放。

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摘要

Whether cognitive representations are better conceived as language-based, symbolic representations or perceptually related, analog representations is a subject of debate. If cognitive processes parallel perceptual processes, then fundamental psychophysical laws should hold for each. To test this, we analyzed both behavioral and neuronal representations of numerosity in the prefrontal cortex of rhesus monkeys. The data were best described by a nonlinearly compressed scaling of numerical information, as postulated by the Weber-Fechner law or Stevens' law for psychophysical/sensory magnitudes. This nonlinear compression was observed on the neural level during the acquisition phase of the task and maintained through the memory phase with no further compression. These results suggest that certain cognitive and perceptual/sensory representations share the same fundamental mechanisms and neural coding schemes.
机译：认知表示法是更好地构想为基于语言的符号表示法还是在感知上相关的类比表示法是一个争论的话题。如果认知过程与感知过程平行，那么基本的心理物理定律应适用于每个过程。为了测试这一点，我们分析了恒河猴前额叶皮层中数字的行为和神经元表征。数据最好通过非线性压缩的数字信息缩放来描述，如Weber-Fechner定律或Stevens定律所规定的心理/感官量级。在任务的获取阶段在神经水平上观察到了这种非线性压缩，并且在记忆阶段一直保持这种压缩状态，而没有进一步的压缩。这些结果表明，某些认知和知觉/感觉表征具有相同的基本机制和神经编码方案。

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