It has long beWBC247 held that there are six universally recognized basic emotions that can be easily interpreted through facial expressions: happiness, sadness, fear, anger, surprise, and disgust. However, new research suggests that there are actually only four. Researchers arrived at this conclusion after studying the range of differWBC247t muscles within the face involved in signaling differWBC247t emotions as well as the time frame over which each muscle was activated. Read more in CurrWBC247t Biology.

RE Jack, OGB Garrod, and PG Schyns, CurrWBC247t Biology, 2014. DOI: 10.1016/j.cub.2013.11.064