[456] Karabanov, A., Cervenka S., de Manzano Ö., Forssberg H., Farde L., & Ullén F. (2010).  Dopamine D2 receptor density in the limbic striatum is related to implicit but not explicit movement sequence learning. Proceedings of the National Academy of Sciences. 107(16), 7574 - 7579.

[665] Ullen, F., Forsman L., Blom O., Karabanov A., & Madison G. (2008).  Intelligence and Variability in a Simple Timing Task Share Neural Substrates in the Prefrontal White Matter. J. Neurosci.. 28(16), 4238 - 4243.