out and one of them thomas reilly is an information technology systems architect at oregon health and science university i develop the software and work our servers collects the data from the sensors and brings it back and stores it now can you show me some of the information that you're getting sort of so right here we have display from our database so is the sensor identifier and this is the timestamp here you can see she's not present in that room so the 30 says not present 30 says not present an answer a here at this time stamp she becomes present in the room was chosen for 10 seconds and then comes back and a couple 3 seconds later it's present 10 seconds so this is just one sensor in medicine changes everything and most change we detect is by self report you go to a doctor's office and what does the doctor do they ask you a series of questions do you take your medications or you exercising how are you sleeping and we all do our best to try to understand that but it's very hard and we know from our own studies that people actually are rather inaccurate in fact in how they are able to report with th