Micro+expression+training+tool+free+best |link| 〈2026 Release〉

Endres, J., & Laidlaw, A. (2018). BMC Medical Education.

Most training tools only teach you the seven emotions. OpenFace teaches you the 30+ Action Units (e.g., AU4: Brow Lowerer, AU12: Lip Corner Puller). Once you learn AUs, you can spot micro expressions that don't fit into the basic seven (like pain or embarrassment). micro+expression+training+tool+free+best

One corner of the mouth is pulled up and back (the only asymmetrical expression). How to Train for Free: A Step-by-Step Guide Endres, J