雅思阅读

📖 Reading Passage

The concept of 'cognitive load' refers to the total amount of mental effort being used in the working memory. In educational psychology, cognitive load theory suggests that learning is most effective when instructional materials are designed to align with human cognitive architecture. Excessive extraneous load, such as irrelevant information or confusing layouts, can hinder the processing of essential information. Conversely, intrinsic load, which is inherent to the complexity of the subject matter, cannot be reduced without simplifying the content. Thus, educators often aim to manage extraneous load while preserving the necessary intrinsic load to optimize learning outcomes. Recent studies have shown that multimedia presentations that integrate visual and auditory channels can reduce cognitive overload by distributing information across modalities, thereby enhancing comprehension and retention.