Detecting Attention Levels in ADHD Children with a Video Game and the Measurement of Brain Activity with a Single-Channel BCI Headset. - Almudena Serrano-Barroso; Roma Siugzdaite; Jaime Guerrero-Cubero; Alberto J. Molina-Cantero; Isabel M. Gómez-González; Juan Carlos López; Juan Pedro Vargas (Sensors, 2021)