一篇新文章指出：海馬區(qū)的長(zhǎng)時(shí)程增強(qiáng)（long-term potentiation；LTP；一種學(xué)習(xí)和記憶的形式）可以誘導(dǎo)“起陡峭波復(fù)合體”（sharp wave-ripple complex）；起陡峭波復(fù)合體被認(rèn)為是對(duì)皮層記憶痕跡（memory trace）的穩(wěn)定有重要貢獻(xiàn)的。
(Figure 1. Self-organized burst of activity in the hippocampal CA3 region produces a field potential in the dendritic layer of CA1 and a short-lived fast-frequency field oscillation (200-Hz ripple) within stratum pyramidale, as well as a phase-related discharge of the neurons.)