Cone bundle lesion

Primitive reflexes appearing for damage to upper motor neurons. It mainly refers to a network system in which the vertebral cells and their axons (like tentacles) in the cerebral cortex are connected to the spinal cord, which mainly controls the movement of the limbs and trunk. When the cone bundle is damaged, the inhibitory function of the brain stem and spinal cord is lost and the reflex effect of the ankle and metatarsophalangeal dorsiflexion is released. The above-mentioned reflection phenomenon may occur in infants and young children under 1 and a half years old because the cone bundles are not fully developed. Adult patients present with pathological reflexes. Including: 1. Babinski sign 2. Oppenheim sign 3. Gorden sign 4. Chaddock sign 5. Gonda sign 6. Hoffmann sign

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