创伤记忆的奇怪之处在于：它不像普通记忆会随时间模糊，反而越来越清晰、越来越响——一个气味、一个声调，就能把人整个拖回去。Van der Kolk 在书中花了整整一章解释 EMDR（眼动脱敏再处理），试图说明为什么一个看起来"玄学"的疗法，在神经科学层面其实有迹可循。
"EMDR seems to help people look at their past without being overwhelmed by it. They could observe what had happened to them as something that was over — not as something that was still happening."
创伤最可怕的地方不是"它发生过"，而是神经系统不知道"它已经结束了"。EMDR 做的事，本质上是帮大脑打上一个时间戳：这件事属于过去。
"The bilateral stimulation of EMDR seems to mimic the REM (rapid eye movement) state of dreaming, during which the brain naturally processes emotional memories."
睡眠本身就是天然的创伤处理器——只是对于严重创伤，这个程序常常崩溃（所以 PTSD 患者多噩梦、多失眠）。EMDR 相当于在清醒状态下人工触发那个进程，强行让记忆从"卡住的当下"归档进"已处理的过去"。
方法论上的启示是：治愈不总需要"把话说清楚"。语言在创伤时刻往往是失效的——Broca 区（负责语言表达的脑区）在回闪时几乎断线。眼球运动、身体感受、呼吸节律，反而是更直接的入口。身体是地图，不是障碍。