@conference {39, title = {Affect Recognition in Learning Scenarios: Matching Facial-and BCI-Based Values}, booktitle = {13th IEEE International Conference on Advanced Learning Technologies (ICALT{\textquoteright}13)}, year = {2013}, publisher = {IEEE}, organization = {IEEE}, author = {Javier Gonzalez-Sanchez and Maria Elena Chavez-Echeagaray and Lijia Lin and Mustafa Gokce Baydogan and Robert Christopherson and David Gibson and Robert Atkinson and Winslow Burleson} }