At the molecular level the drugs impair the functioning of the brain signaling systems that rely on glutamate, the main excitatory neurotransmitter in the brain.

• 这些药物在分子层面的作用，系损害了脑中仰赖麸胺酸的传讯系统，麸胺酸是脑中主要的兴奋性神经传递物。