Published on in Vol 9, No 1 (2021): Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21620, first published
.
![Pupillary Responses for Cognitive Load Measurement to Classify Difficulty Levels in an Educational Video Game: Empirical Study Pupillary Responses for Cognitive Load Measurement to Classify Difficulty Levels in an Educational Video Game: Empirical Study](https://asset.jmir.pub/assets/d45caf909e6b2bf51153e17de61c5ae6.png 480w,https://asset.jmir.pub/assets/d45caf909e6b2bf51153e17de61c5ae6.png 960w,https://asset.jmir.pub/assets/d45caf909e6b2bf51153e17de61c5ae6.png 1920w,https://asset.jmir.pub/assets/d45caf909e6b2bf51153e17de61c5ae6.png 2500w)
1 Center for Research in Mathematics, Zacatecas, Mexico
2 Center for Research and Advanced Studies of the National Polytechnic Institute, Tamaulipas, Ciudad Victoria, Mexico