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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Reorganization of the auditory cortex specialized for echo-delay processing in the mustached bat
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Reorganization of the auditory cortex specialized for echo-delay processing in the mustached bat

机译：重组专门用于胡子蝙蝠回声延迟处理的听觉皮层

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摘要

Focal excess sensory stimulation evokes reorganization of a sensory system. It is usually an expansion of the neural representation of that stimulus resulting from the shifts of the tuning curves (receptive fields) of neurons toward those of the stimulated neurons. The auditory cortex of the mustached bat has an area that is highly specialized for the processing of target-distance information carried by echo delays. In this area, however, reorganization is due to shifts of the delay-tuning curves of neurons away from those of the stimulated cortical neurons. Elimination of inhibition in the target-distance processing area in the auditory cortex by a drug reverses the direction of the shifts in neural tuning curves. Therefore, such unique reorganization in the time domain is due to strong lateral inhibition in the highly specialized area of the auditory cortex.
机译：过度的感觉刺激会引起感觉系统的重组。它通常是该刺激的神经表示的扩展，是由于神经元的调节曲线（接受场）向受刺激的神经元的曲线变化而引起的。胡子蝙蝠的听觉皮层区域高度专门化，用于处理回声延迟所携带的目标距离信息。然而，在该区域中，重组是由于神经元的延迟调谐曲线与受刺激的皮质神经元的延迟调谐曲线的偏离所致。药物消除了听觉皮层目标距离处理区域的抑制作用，从而使神经调节曲线的移动方向反向。因此，在时域中的这种独特的重组归因于听觉皮质高度专业化区域中的强烈横向抑制。

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