Table 1.
Signals and frequency of Empatica E4.
| Signal | Abbreviation | Frequency |
|---|---|---|
| electrodermal activity | EDA | 4.0 Hz |
| Heart Rate | HR | 1.0 Hz |
| skin temperature | ST | 1.0 Hz |
| accelerometer | ACC | 32 Hz |
| inter-beat interval | IBI | 64 Hz |
| blood volume pulse | BVP | 64 Hz |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.