in terms of psychophysics, several studies have been done involving a person’s ability to detect the differences between the weight and roughness of objects. a syndrome called verger-dejerine syndrome has been known to affect these somatosensory abilities. patients with this somatosensory cortical loss syndrome commonly display damage to their parietal lobe and it was eventually concluded that it may be that the brain has some form of an asymmetrical organization, as performance in a normal subject shows oblique differences depending on their hand use. however, these patients still exhibit normal or minimally reduced peripheral sensitivity to cold, heat, pain, touch and deep pressure.