The concept of 'cognitive load' refers to the total amount of mental effort being used in the working memory. In educational psychology, it is often divided into three types: intrinsic, extraneous, and germane. Intrinsic load is associated with the inherent difficulty of the material itself, which cannot be altered by instruction. Extraneous load is generated by the way information is presented to learners, such as poorly designed diagrams or unnecessary text, and can be minimized through better instructional design. Germane load, on the other hand, is the mental effort devoted to processing and understanding the material, contributing to learning. Research suggests that reducing extraneous load allows more cognitive resources to be allocated to germane load, thereby enhancing knowledge acquisition. However, overly simplifying material may reduce necessary intrinsic load, hindering deep learning.