High levels of GABA can prevent neurons forming new connections - and slow down the brain's ability to learn - while low levels free nerve cells to create new brain circuitry.
GABA含量高时，神经元无法形成新的连结，同时大脑的学习能力也会降低；而含量低时，神经细胞可自由形成新的连结。
By removing specific neurons in the lower spinal cord with laser beams, the researchers rendered the fish incapable of slow movements.
研究人员通过用激光除去鱼脊髓下层的特殊神经元，使其不能进行缓慢运动。
The message that GABA transmits is an inhibitory one: it tells the neurons that it contacts to slow down or stop firing.
GABA传递的是抑制信息：它告诉脑神经细胞放缓或停止兴奋的信息。
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