BOX 2 The role of the induction of LTP ency trar 9 im ARA be induced by the agents.such as a5 eiated with as in the ane快店 changes in number,or conductance properties, AMPA hat the the expr whereas that of spite to cena But theMDA mm之nanmsion nent sion of LTP. is to monitor the late we mgntalp or more to reach ated that ca NATURE·VOL361·7 JANUARY1993 35 1993 Nature Publishing Group© 1993 NaturePublishingGroup