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Detecting depression using GPS data

US: A study conducted at Northwestern University’s Feinberg School of Medicine in Chicago has revealed that your smartphone can detect if you are depressed. How is that, you ask? Well, it can do that by using sensor data to track the number of minutes you use the phone and your daily geographical locations. Researchers say that spending most of your time at home or in fewer locations — which can be measured by GPS tracking — is linked to depression. The study analysed the GPS locations and phone usage for 28 individuals over two weeks. The sensor tracked GPS locations every five minutes. After that, algorithms were developed using the GPS and phone usage data, and results were correlated with the subjects’ depression test results. An 87 percent accuracy rate was discovered.

Source: RT