It has been widely observed that cognitive training can enhance the working memory capacity (WMC) of participants. yet the underlying mechanisms remain unexplained. Previous research has confirmed that abacus-based mental calculation (AMC) training can enhance the WMC of subjects and suggested its possible association with changes in functional connectivity. With fMRI data. https://safeersappliancers.shop/product-category/beko-xdvg675sm-dark-silver-mirrored-gas-cooker-double-oven-60cm/