Torkel Klingberg is professor in Cognitive Neuroscience at Karolinska Institutet. He studies the neural basis for cognitive development during childhood and training-induced plasticity of the brain, especially working memory and attention.
A few publications:
Klingberg T, Training and plasticity of working memory, Trends in Cognitive Science 14: 317 (2010)
Dumontheil & Klingberg, Brain activity during a visuospatial working memory task predicts arithmetical performance 2 years later Cerebral Cortex, 22:1078 (2011)