A method and system are presented to address quantitative assessment of word recognition sensitivity of a subject, where the method comprises the steps of: (1) presenting at least one scene, comprising a plurality of letters and a background, to a subject on a display (2) moving the plurality of letters relative to the scene (3) receiving feedback from the subject via at least one (4) quantitatively refining the received feedback (5) modulating the saliency of the plurality of letters relative to accuracy of the quantitatively refined feedback (6) calculating a critical threshold parameter and (7) recording a critical threshold parameter onto a tangible computer readable medium.
