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Updated: Sep 9, 2025

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain
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Published on: October 11, 2017

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ニューラルモチーフの精密な抽出は,聴覚皮質の多層次,並列のエンコーディングスキームを明らかにする

Liang Xiang, Mingxuan Wang, Patrick O Kanold

    bioRxiv : the preprint server for biology
    |September 5, 2025
    PubMed
    まとめ

    聴覚皮質 (A1) のニューラルモチーフは,情報を処理するための構成要素として機能します. 新しいアルゴリズムは これらのモチーフが 単一のニューロンと共に 刺激と行動をコードし パラレル・コーディング・スケールを 提供することを明らかにします

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    関連する概念動画

    Auditory Pathway01:15

    Auditory Pathway

    Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
    When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
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    Motor and Sensory Areas of the Cortex01:14

    Motor and Sensory Areas of the Cortex

    The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
    Motor Areas
    The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
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    The Cochlea01:13

    The Cochlea

    The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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    Hearing01:31

    Hearing

    When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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    Hair Cells01:22

    Hair Cells

    Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
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    Association Areas of the Cortex01:21

    Association Areas of the Cortex

    Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
    Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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