Are you a study participant?

If you are a Study Participant, contact your Administrator directly as information in the Support Center is intended for qualified researchers and healthcare professionals. Misapplying the information below may affect your data collection.

Thank you for using the E4

As of February 14th, 2025, the E4 and its software suite have officially been sunset. Click here for more information.
If you are looking for a wearable research solution, explore the Empatica Health Monitoring Platform.

Which sensors does Embrace have?

Embrace is comprised of the following sensors:

EDA sensor: measures the constantly fluctuating changes in certain electrical properties of the skin, resulting from sweat secretion and sweat gland activity. EDA is activated by regions deep in the brain involved in emotions such as fear, anxiety, and positive excitement.
Accelerometer: detects motion and orientation.
Gyroscope: measures rotation and angular momentum.
Peripheral Temperature Sensor: measures skin surface temperature.