TACTUAL SIZE DISCRIMINATION By N., Pam M.S. - April 13, 2013 the ability to judge the comparative size of 2 objects they can't see. To discriminate between sizes of two object by touching them and without seeing them is called tactual size discrimination. TACTUAL SIZE DISCRIMINATION: "Tactual size discrimination is used to test for a cortical lesion." Related Psychology Terms TACTUAL SHAPE DISCRIMINATION TACTUAL DISPLAY TACTILE FORM RECOGNITION DISCRIMINATION SIZE DISCRIMINATION FIGURE-GROUND PERCEPTION FORM DISCRIMINATION AUDITORY DISCRIMINATION CUMULATIVE REHEARSAL STIMULUS GENERALIZATION Cite this page: N., Pam M.S., "TACTUAL SIZE DISCRIMINATION," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/tactual-size-discrimination/ (accessed June 5, 2020).