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. 2018 Oct 24;12:389. doi: 10.3389/fncel.2018.00389

Figure 5.

Figure 5

Grouped evaluation of high-frequency stimulation (HFS)-induced LTP. The same analysis of LTP is shown in Figure 3, but the induction protocol is 100 pulses of 100 Hz (HFS). (A) The time changes in normalized peak amplitude of the optical signals at representative points at three different L positions [L = 225 (cyan), 500 (purple), 775 (black) μm] and four different D positions (D = −75, 0, 75, 150 μm). (B) The peak values mapped in the D-L coordinates. (C) The LTP ratio in the D-L coordinates. (D) The line profiles of C at different L positions [225 (cyan), 500 (purple), 775 (black) μm] at each time point. (E) The line profile along the L axis at different time sections for control recordings and recordings made at 0, 10, 20 and 30 min from TBS. (F) The time change in the ratio of the line profiles at the SO (D = −75) vs. the SR (D = 150), i.e., the PRR along the L axis. N = 2, n = 7, bars in (A,D,E) indicate SEM.