?url_ver=Z39.88-2004&rft_id=10.1109%2FACCESS.2020.3024867&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Ung&rft.au=Ung%2C+W.C.&rft.aufirst=W.C.&rft.volume=8&rft.issn=21693536&rft.pages=172939-172950&rft.atitle=Functional+near-infrared+spectroscopy+adaptive+cognitive+training+system+(FACTS)+for+cognitive+underload+and+overload+prevention%3A+A+feasibility+study&rft.title=IEEE+Access&rft.date=2020&rft.genre=article