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Human Information Processing

Meaning

The comprehensive sequence of mental operations, encompassing perception, encoding, storage, retrieval, and decision-making, by which the human brain receives sensory input and transforms it into meaningful output or action. This complex, multi-stage cognitive process is subject to inherent limitations in capacity and speed, often modeled as a system with finite attentional and working memory resources. Understanding the efficiency of information processing is fundamental to assessing overall cognitive health and performance. It forms the core of cognitive psychology.