I used http://www.soakyourhead.com/ http://www.soakyourhead.com/ and this one which is linked elsewhere in the thread. https://sourceforge.net/projects/brainw

I used http://www.soakyourhead.com/ http://www.soakyourhead.com/ and this one which is linked elsewhere in the thread. https://sourceforge.net/projects/brainworkshop/files/brainworkshop/ https://sourceforge.net/projects/brainworkshop/files/brainwo... I doubt the subtle differences between different dual-n-back matter.