When it comes to memory retrieval, self-testing can be beneficial.

当涉及到记忆检索时，自我测试可以是有益的。

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This brain region is implicated in the control of memory retrieval with respect to the actual contex," they write.

这个大脑区域和控制实际环境中的记忆提取有关。

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Source memory retrieval phase: Subjects were instructed to judge among the new words, the old red words and the old blue words.

第三阶段为来源记忆提取阶段，要求被试用三键区分新词、红色旧词和蓝色旧词。

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However, the team found that eventually both methods of memory retrieval were as effective in the tasks, meaning that while sleep deprivation affects brain function it does not affect overt behaviour, as previously thought.

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But for information that needs to be stored and retrieved fast, flash memory offers businesses far greater retrieval speed at a much lower cost.

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In developing early data processing systems, the high cost of memory and storage led to a premium being placed on the efficiency of application data access and retrieval.

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