|{{:images:model.png|}}|
|  Human working memory model (source: [[http://t0.gstatic.com/images?q=tbn:ANd9GcRcaVF1nGSYY3y-pqAPDUZVRDnN0Yz_trOQpuQXheq38cjc76Ix|http://t0.gstatic.com/...]])  |