Unverified50% confidenceFactExact time

Nelson Cowan revised working memory capacity to 3 to 5 chunks of information in 2001.

1

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50%

Confidence

Long-term

Relevance

8/30/2026

First Seen

Sources

Context Engineering Explained: From Prompt Engineering to Information Architecture Design for AI Agents

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Nelson Cowanperson

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Unverified2001年尼尔森·科万的修正研究将工作记忆容量数字压缩至4个组块，每个组块持续时间不超过15-30秒73% similar UnverifiedCowan's embedded-processes model holds that the effective capacity of working memory is closer to 4 chunks.71% similar Unverified随着模型上下文窗口从4K到128K再到未来可能的数百万token持续扩大，记忆管理和状态管理的实际效果差距会逐渐缩小56% similar

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