TWo-Point Discrimination 2 mm 64 mm 4 mm
Two-Point Discrimination
Thalamus Face Arm dorsal pathway Leg
dorsal cloumn pathway
Dorsal column pathway Primary somatosensory ex(S1) cortex(S1)in parietal lobe Dorsal column nucler Thalamus Medulla Medial Dorsal column lemniscus Large sensory nerves Large dorsal column oot axons Touch, vbration, two-poir sd spinal cord discrimination, propriocep
Dorsal column pathway Large sensory nerves: Touch, vibration, two-point discrimination, proprioception Primary somatosensory cortex (S1) in parietal lobe Thalamus Medulla Medial lemniscus Spinal cord Dorsal column Dorsal column nuclei
Left dorsal column spinal cord injury Dorsal pathway column damage L3 Loss of sense of. touch .proprIoception vibration in left leg
Dorsal column damage dorsal column pathway Left spinal cord injury Loss of sense of: •touch •proprioception •vibration in left leg