Scientists from Novgorod State University have unveiled a new sensor that can measure stress levels from the electrical activity of the skin. This sensor can be used in smartwatches, fitness wristbands, and monitoring systems for workers doing hazardous work. It differs from existing sensors as it does not cause skin irritation in long-term use.
The developed sensor is based on the Tarkhanov method, which does not require an external current source in the electrical circuit. Instead, a sensitive galvanometer is used to fix the potentials. This approach allows for continuous and long-term measurements of the galvanic skin response without disturbing the user.
The sensor was developed by engineer Pavel Shadursky from NovSU’s neurotechnology lab. It is simple and easy to use, allowing anyone without special training to use it. The project, supported by the university’s neurotechnology laboratory, uses Russian and Chinese-made components that are available for sale free of charge.
Source: Ferra
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