“Adaptive n-Back Training Does Not Improve Fluid Intelligence at the Construct Level: Gains on Individual Tests Suggest That Training May Enhance Visuospatial Processing”, Roberto Colom, Francisco J. Román, Francisco J. Abad, Pei Chun Shih, Jesús Privado, Manuel Froufe, Sergio Escorial, Kenia Martínez, Miguel Burgaleta, M. A. Quiroga, Sherif Karama, Richard J. Haier, Paul M. Thompson, Susanne M. Jaeggi2013 (DNB; backlinks)