sentences:  He advanced to an assistant professorship in 1997, and since 2000 has been an Associate Professor at the Harvard Medical School.Kwong is an active researcher, authoring or co-authoring 97 papers from 1992 to 2011, in the period following the initial fMRI publication.His most current work addresses problems in quantitative brain perfusion measurement as well as studies of brain effects of the traditional Chinese medical practice of acupuncture.