| 单词 | Central pattern generator |
| 释义 |
Central pattern generator
原声例句
2017级专外有声 It functions primarily in the transmission of neural signals between the brain and the rest of the body but also contains neural circuits that can independently control numerous reflexes and central pattern generators (CPG). 它的功能主要是在大脑和身体其他部分之间传递神经信号，但也包含可以独立控制许多反射和中枢模式发生器(CPG)的神经回路。 TED-Ed（视频版） Instead, it's mostly executed by a network of specialized nerve cells along the lower part of the brain and spinal cord, sometimes called " central pattern generators." These areas govern automatic movements and basic actions related to survival. 相反，它主要由沿着大脑和脊髓下部的专门神经细胞网络执行，有时称为“中央模式发生器” 。 这些区域控制与生存相关的自动运动和基本动作。
中文百科
中枢模式发生器中枢模式发生器Central pattern generators (CPGs)是一种不需要传感器反馈就能产生节律模式输出的神经网络。研究表明，即便缺少运动和传感器反馈，CPGs仍能产生有节律的输出并形成"节律运动模式"。一个CPG必须具备如下条件方可被视为节律发生器：
英语百科
Central pattern generator 中枢模式发生器![Fig. 1. Neural control of locomotion. A) Increments in the intensity of stimulation of the MLR in the high decerebrate cat increased the cadence (step cycles/sec) of locomotion. Adapted from Shik et al. 1966.[22] B) Schematic of the velocity command hypothesis: a command signal specifying increasing body velocity descends from deep brain nuclei via the MLR to the spinal cord and drives the timing element of the spinal locomotor CPG to generate cycles of increasing cadence. Extensor phase durations change more than flexor phase durations. The command signal also drives the pattern formation layer to generate cyclical activation of flexor and extensor motoneurons. Loading of the activated muscles (e.g. supporting the moving body mass) is resisted by the muscles' intrinsic spring-like properties. This is equivalent to displacement feedback. Force and displacement sensed by muscle spindle and Golgi tendon organ afferents reflexly activate motoneurons. A key role of these afferents is to adjust the timing of phase transitions, presumably by influencing or overriding the CPG timer. Adapted from Prochazka & Ellaway 2012.[23]](/uploads/202501/03/Locomotor_control_schematic4056.jpg) Central pattern generators (CPGs) are biological neural networks that produce rhythmic patterned outputs without sensory feedback. CPGs have been shown to produce rhythmic outputs resembling normal "rhythmic motor pattern production" even in isolation from motor and sensory feedback from limbs and other muscle targets. To be classified as a rhythmic generator, a CPG requires: 1. "two or more processes that interact such that each process sequentially increases and decreases, and 2. that, as a result of this interaction, the system repeatedly returns to its starting condition. CPGs have been found in practically all vertebrate species investigated, including human. |
| 随便看 |
|
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。