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XX职称英语《卫生A级》巩固试题及答案xx职称英语《卫生A级》巩固试题及答案 IT’S DIFFICULTTO IMAGINEMANY THINGSthat peoplewould welemore thana memory-enhancing drug.____1____Furthermore,such adrug couldhelp peopleremember pastexperiences moreclearly andhelp usacquire newinformation moreeasily forschool andat work.As scientistslearn moreabout memory,we areclosing inon thistantalizing goal.1 Some ofthe mostexciting evidencees fromresearch thathas builton earlierfindings linkingLTP2and memoryto identifya genethat improvesmemory inmice.____2____Mice bredto haveextra copiesof thisgene showedmore activityin theirNMDA receptors,more LTP,and improvedperformance onseveral differentmemory tasks—learning aspatial layout3,recognizing familiarobjects,and recallinga fear-inducing shock. If thesebasic insightsabout genes,LTP,and thesynaptic basisof memorycan betranslated topeople—and thatremains tobe seen—they couldpave theway formemory-enhancing treatme...。