Over the last sev­er­al years, cog­ni­tive train­ing has received large amounts of pub­lic inter­est and sup­port because reli­ably improv­ing cog­ni­tive per­for­mance would have wide reach­ing appli­ca­tions in clin­i­cal pop­u­la­tions, old­er adults, and the pub­lic at large. For exam­ple, cog­ni­tive train­ing could play an impor­tant role in healthy aging by delay­ing the onset of age relat­ed cog­ni­tive decline,…