Verisense Pulse+
The Verisense Pulse+ is the first line extension for the Verisense wearable sensing platform. Verisense Pulse+ provides raw photoplethysmogram (PPG), galvanic skin response (GSR), and an inertial measurement unit (IMU). This means the entire platform can now measure clinical trial participants’ heart rate, and emotional responses in addition to their activity and sleep levels.
Activity metrics: Time spent in idle, light, moderate, or vigorous activity
Sleep metrics: Total time in bed and sleep efficiency
Pulse+ output: Accelerometer, GSR, PPG
The PPG sensor monitors heart rate by using light absorption to measure changes in participant capillary blood volume. Whereas the GSR sensor measures changes in sweat gland activity, which can be used to assess the participant’s level of psychological and emotional arousal, stress and other emotional responses. GSR is used for psychology clinical research and biofeedback and it is starting to be employed in more clinical applications, including epilepsy.
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