For many years, neu­ropsy­chol­o­gists have helped indi­vid­u­als suf­fer­ing from trau­mat­ic brain injuries relearn how to talk, walk or make deci­sions, etc. Among oth­er tools, cog­ni­tive exer­cis­es (includ­ing com­put­er-assist­ed strate­gies) have been used to retrain abil­i­ties. How­ev­er these tools are not avail­able to the pub­lic and not every­body can afford a neu­ropsy­chol­o­gist or needs to see…