人们发现有些药物能暂时抑制或损伤大脑的记忆力。譬如,一位怯场的考生,由于精神高度紧张,在接到试卷后竞答不出考前已经背熟练的答案。科学家认为这是由于人们在精神高度紧张时,中枢神经受到激发而兴奋,释放大量递质肾上腺素而损坏了大脑记忆所致。当给予抗肾上腺素或拟胆碱药物时,就可以迅速逆转。根据生理知识可知,人体内乙酰胆碱主要 Some people find that some drugs can temporarily inhibit or damage brain memory. For example, a stage fright of candidates, due to the high degree of tension, after receiving the test paper can not answer the test has been proficient answer. Scientists believe this is because people in the spirit of high tension, the central nervous excitement is excited, release a large number of neurotransmitter neurotransmitter damage to the brain caused by memory. When given anti-epinephrine or cholinergic drugs, you can quickly reverse. According to physiological knowledge, we know that the main body of acetylcholine