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.
Cervicogenic Headache: Most people with cervicogenic headache have a pressure or throbbing sensation on one side of the head. Brief stabs of pain are common in people with Cervicogenic Headache. Trigeminal Neuralgia can cause sharp head pains involving the lower part of the face. Trigeminal Neuralgia: This sudden stabbing or shooting pain affects your cheek or jaw. Touch or movement trigger this intense sharp head pain. The pain is in the eye or forehead in very few cases. The pain is brief, and Carbamazepine is the drug of choice. Trigeminal Autonomic Headaches: These headaches are very brief â often sharp â head pains accompanied by âautonomic activationâ.