Roland P E
Laboratory of Brain Research and Positron Emission Tomography, Karolinska Institute, Stockholm, Sweden.
Can J Neurol Sci. 1993 May;20 Suppl 3:S75-7. doi: 10.1017/s0317167100048563.
The circuitry of the cerebellum is quite well understood. The computation takes place in the cerebellar cortex, which functions in synchronized strips to provide excellent timing signals to the cerebral cortex and the spinal cord. The cerebellar cortex is also the site where error signals from other parts of the central nervous system are incorporated. For voluntary limb movements the cerebellar cortex is important for the timing of the innervation of the agonist and antagonist anterior horn neurons. It is also important for the temporal order of and precision in the execution of motor programs. As will be apparent, the cerebellum is not only a computer taking care of motor programs.
小脑的神经回路已为人所熟知。计算过程在小脑皮质中进行,小脑皮质以同步条带的形式发挥作用,为大脑皮质和脊髓提供精确的定时信号。小脑皮质也是整合来自中枢神经系统其他部分的误差信号的部位。对于自主肢体运动而言,小脑皮质对于主动肌和拮抗肌前角神经元的神经支配定时非常重要。它对于运动程序执行的时间顺序和精确性也很重要。显而易见,小脑不仅仅是一个负责运动程序的计算机。