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Harmonic relations in modulatory peaks of auditory neurons emerge from a frequency-domain sparse code of harmonic sounds

机译:听觉神经元的调制峰中的谐波关系来自谐波声音的频域稀疏码

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摘要

Recent studies have shown that basic properties of auditory system can be accounted for by sparse coding or Independent Component Analysis (ICA) for natural sounds. Meanwhile, Kadia and Wang have reported that harmonic relations appear in frequencies of modulatory peaks of neurons in primary auditory cortex of awake primates, using pure- and two-tone paradigm. This study shows that the complex harmonic relations emerge from a frequency-domain sparse code of highly harmonic sound, piano performance. The result implies that brain conforms, across various stages of sensory information processing, to information theoretic principle.
机译:最近的研究表明,听觉系统的基本属性可以通过对自然声音的稀疏编码或独立成分分析(ICA)来解决。同时,Kadia和Wang报告使用纯音和两音范例在清醒的灵长类动物初级听觉皮层神经元的调节峰频率中出现谐波关系。这项研究表明,复杂的谐波关系来自高谐波声音,钢琴演奏的频域稀疏代码。结果表明,大脑在感觉信息处理的各个阶段都遵循信息理论原理。

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