人们往往以为记忆就像一台摄像机，把经历原封不动地保存下来，需要时按下播放键便可重现。
People often assume that memory works like a video camera, preserving experience intact and ready to replay at the press of a button whenever needed.
然而认知科学的研究表明，记忆并非一次性录制、永久封存的影像，而是大脑每次回想时重新拼凑出来的产物。
However, cognitive science research shows that memory is not a one-time recording sealed away forever, but rather a product that the brain reassembles anew each time it recalls.
举例来说，同一场车祸的目击者往往对细节的描述截然不同，甚至同一人复述时细节也会悄然改变。
For example, eyewitnesses to the same car accident often describe the details completely differently, and even the same person's account can subtly change each time it is retold.
更令人不安的是，一段记忆越是被反复讲述，就越容易掺入讲述者当下的情绪与想象，与最初的经历渐行渐远。
What is more unsettling is that the more a memory is retold, the more easily it becomes mixed with the narrator's current emotions and imagination, drifting further and further from the original experience.
心理学家曾诱导受试者“回忆”起从未发生的童年事件，许多人却对虚构情节深信不疑，描述得栩栩如生。
Psychologists have induced subjects to "recall" childhood events that never happened, and many people firmly believe these fabricated details, even describing them vividly as if real.
由此可见，记忆的清晰生动与其准确程度并无必然联系，鲜明的细节感也许只是大脑填补空白时留下的假象。
It follows that the vividness of a memory has no necessary connection to its accuracy — a sharp sense of detail may just be an illusion left behind when the brain fills in the gaps.
这一发现对司法领域尤其具有警示意义：一旦过分依赖目击者信誓旦旦的证词，就可能酿成冤假错案。
This finding is especially cautionary for the judicial field: once one relies too heavily on an eyewitness's solemnly sworn testimony, it may result in a wrongful conviction.
反之，这也意味着我们珍视的怀旧与身份认同，很大程度上建立在不断重塑的记忆之上，而非客观历史本身。
Conversely, this also means that the nostalgia and sense of identity we cherish are, to a large extent, built upon memories that are constantly being reshaped, rather than on objective history itself.
归根结底，与其把记忆视为忠实的档案，不如将其视为随心境修订的故事，认清这一点，也是认清自我局限的开始。
In the final analysis, rather than treating memory as a faithful archive, it is better to view it as a story continually revised by one's state of mind — recognizing this is also the beginning of recognizing the limits of the self.
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Key words 生词
原封不动yuánfēngbùdòngintact, unchanged
拼凑pīncòuto piece together
深信不疑shēnxìn bùyíto firmly believe without doubt
栩栩如生xǔxǔ rúshēngvivid, lifelike
冤假错案yuānjiǎ cuò'ànwrongful conviction, miscarriage of justice
归根结底guīgēn jiédǐin the final analysis, ultimately
Grammar note 语法点
一旦…就…
Expresses 'once X happens, then Y follows' — a conditional trigger with a resulting, often serious, consequence. E.g. 一旦下定决心，就不要轻易放弃 (once you've made up your mind, don't give up easily).
一旦过分依赖目击者信誓旦旦的证词，就可能酿成冤假错案。
与其…不如…
Expresses 'rather than X, it would be better to Y' — used to state a preference between two options. E.g. 与其抱怨环境，不如努力改变自己 (rather than complain about circumstances, it's better to try to change yourself).
与其把记忆视为忠实的档案，不如将其视为随心境修订的故事。
Check yourself 小测验
1. According to the passage, what is memory actually like, as opposed to the common intuition that it works like a recording?
2. What does the passage say tends to happen when a memory is retold repeatedly?
3. What does the passage suggest about vivid, confidently recalled memories such as eyewitness testimony?
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