A method and system for enhancing a cognitive ability may comprise conducting, via a user interface display of a user computing device, a training session which may comprise presenting, via the user interface display of the user computing device, a variable stimuli go/no-go behavior response exercise, which may comprise establishing an assembly platform containing an outline of component parts of a final assembled item; presenting a plurality of component delivery platforms; delivering a component corresponding to at least one of the plurality of components of the final assembled item to at least one of the component delivery platforms; allowing the user to select or not select the component on the at least one of the plurality of component delivery platforms according to at least one selection criteria; and scoring the correctness of the user selecting or not selecting the component according to the at least one selection criteria.