The disclosure provides a method for performing automated visual motor response assessment by receiving motor response input responsive to presenting visual stimulation, the method including: presenting a scene to a subject on a display； modulating contrast of a predetermined section of the scene； moving the predetermined section relative to the scene； providing a manual input device for tracking movement of the predetermined section； receiving tracked movement data from the manual input device； measuring a kinematic parameter of the tracked movement data； quantitatively refining the tracked movement； determining a relationship between at least one of the scene and quantitatively refined tracked movement； adjusting modulated contrast relative to the quantitatively refined tracked movement； and calculating a critical threshold parameter in relation to a subject.
