His research team focuses on understanding the cause of postoperative cognitive dysfunction (POCD) and delirium, and whether these disorders are caused by perioperative changes in Alzheimer’s disease pathways. They are also interested in whether delirium or POCD are associated with an increased long term risk of developing Alzheimer’s disease. This work has the potential to improve long term outcomes for the more than 16 million Americans over age 60 who undergo anesthesia and surgery each year.