Fig. 6.

Critical periods for mRNA and protein syntheses. The changes of mEPSC amplitudes when cultured neurons were treated for 5 min with either 20 μm actinomycin D 30 or 50 min after the conditioning (A) or with 10 μmanisomycin 6, 12, and 20 hr after the conditioning (B). The arrows indicate the timing of actinomycin D or anisomycin application. The data for anisomycin treatment at 12 hr are summary of two sets of recordings. Each point represents data from 7 to 32 cells.