Mice’s facial expressions can reveal a wide range of emotions
A machine learning approach reveals subtle ear, nose and whisker movements
![Mouse expression illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/04/040120_ls_mice-feelings_feat.jpg?fit=1028%2C579&ssl=1)
Subtle movement in ears, whiskers and noses can signal mice’s feelings of pleasure, fear and pain, researchers find.
J. Kuhl/Max Planck Institute of Neurobiology