The phenological loop is responsible for holding speech-based sounds while the visuo-spatial sketchpad holds visual concepts in the mind. Both work independent of each other. Whereas the central executive is responsible for controlling both systems. The central executive is also responsible for aiding in tasks such as reasoning and understanding language.Lieberman, D. A. (2021). Chapter 10 Working Memory. In Learning and Memory (2nd ed., pp. 286–287). Cambridge University Press.
thE PhenoLoGIcaL lOop IS resPonsible for HoldiNg speEch-based soUnDs wHiLe tHe VISuo-spaTial sketChpaD hoLDs vIsUAl ConCepts in the mInd boTH worK inDependEnt oF eaCH othEr whereaS tHE ceNTRaL executive is rEsponsible foR COntroLLing both sysTemS tHe centRal EXECuTiVe is also rEsPoNsiblE FOr aidiNG in TaskS such As reasOning and UndErStAnding LANguAgElieBERmAn d a (2021) chapter 10 wOrkING memORY in lEarNinG AND MemORy (2nd Ed pp 286–287) cambridge uNiversIty presS