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首页> 外文期刊>Neuron >Reliability and representational bandwidth in the auditory cortex.
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Reliability and representational bandwidth in the auditory cortex.

机译：听觉皮层的可靠性和代表性带宽。

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摘要

It is unclear why there are so many more neurons in sensory cortex than in the sensory periphery. One possibility is that these "extra" neurons are used to overcome cortical noise and faithfully represent the acoustic stimulus. Another possibility is that even after overcoming cortical noise, there is "excess representational bandwidth" available and that this bandwidth is used to represent conjunctions of auditory and nonauditory information for computation. Here, we discuss recent data about neuronal reliability in auditory cortex showing that cortical noise may not be as high as was previously believed. Although at present, the data suggest that auditory cortex neurons can be more reliable than those in the visual cortex, we speculate that the principles governing cortical computation are universal and that visual and other cortical areas can also exploit strategies based on similarly high-fidelity activity.
机译：目前尚不清楚为什么感觉皮层中的神经元比感觉周围的神经元多。一种可能性是这些“额外的”神经元被用来克服皮层噪声并忠实地代表声刺激。另一个可能性是，即使在克服了皮层噪声之后，仍然存在“多余的代表性带宽”，并且该带宽用于表示听觉信息和非听觉信息的结合以进行计算。在这里，我们讨论了有关听觉皮层神经元可靠性的最新数据，这些数据表明皮层噪声可能不像以前认为的那样高。尽管目前的数据表明听觉皮层神经元可能比视觉皮层中的神经元更可靠，但我们推测控制皮层计算的原理是通用的，视觉和其他皮层区域也可以利用基于类似高保真度活动的策略。

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