What we found was that glutamate, which is released due to neuronal activity, feeds back onto metabotropic glutamate receptors on the same neurons that released it in the first place, he said.

• 他说我们发现神经兴奋时释放的谷氨酸反馈作用于早先释放谷氨酸同一个神经元的亲代谢性谷氨酸盐受体。