Somatosensory Area 1, or S1, is for touch and proprioception in the somatosensory system. The somatosensory system feeds the Brodmann Areas 3, 1 and 2 of the primary somatosensory cortex.But there are also pathways for proprioception (via the cerebellum), and motor control (via Brodmann area 4).isual Area 1, or V1, is used for vision, via the visual system to the primary visual cortex. The sense of sight or vision enables us to see our external environment. It provides the richest and most detailed source of sensory information.
Sharp stabbing pain in middle left back side? Dr. Roberto Feliz Dr. Feliz. Middle left: There are many causes of one sided back pain: localized muscle strain with spasm, facet joint irritation/inflammation is your most likely cause. The facet joints is the site where the vertebral body meet in your back.
When the nerves are pinched on the left side of your spine, they can simulate a heart attack because the pain travels around the ribs or through the chest on the left side. Sometimes the pain can last for days if the nerve is being pinched hard enough. Other symptoms associated with pinched nerves in your mid back are: shortness of breath, increased heart rate, sweating, heart palpitations, and numbness.