In January 2015 engineers from the Creativity Lab at Samsung Electronics introduced a prototype of a smartphone application and device called the Early Detection Sensor & Algorithm Package (EDSAP) as a stroke-detection tool. After two years of development, they are close to delivering the product. EDSAP’s sensors, which are applied to the head via a headset, collect electrical waves caused by brain activity and wirelessly transfer the information to a smartphone application that analyzes the data and determines the threat of stroke. The developers hope the data can provide additional health information such as stress levels, anxiety and quality of sleep.

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