Analysis of information sources in references of the Wikipedia article "Torkel Klingberg" in English language version.
Executive Director: Torkel Klingberg
...one of the founders the company Cogmed, but has currently no financial relationships with Cogmed.
A pair of scientists in Europe recently gathered all of the best research... The conclusion: the games may yield improvements in the narrow task being trained, but this does not transfer to broader skills...
After just five weeks, Klingberg found that ... they also scored higher on one of the single best measures of fluid intelligence, the Raven's Progressive Matrices.