![]() This prevents damage from progressing to other areas. Surgical procedures can relieve pressure on the spinal cord and brain. Neurosurgeons can't alter the primary injury suffered by the brain or spinal cord, but they can prevent secondary damage from occurring. The chance of recovery is greatest in patients 40 and younger after a traumatic brain injury. For example, if a stroke causes an area of brain damage, other parts of the nervous system can take over the lost function of the damaged area. Simply put, when one area loses function, other undamaged areas of the brain can take over. This is called "plasticity." Luckily, the brain has a lot of built-in redundancy. However, this part of the nervous system can reorganize in response to an injury. Injured nerve cells in the central nervous system typically do not regenerate. These injuries are often called traumatic brain injuries or traumatic spine injuries. They can be caused by an auto accident, sports injury, fall, stroke, ruptured brain aneurysm, lack of oxygen, gunshots or an explosive blast. Injuries to the spinal cord or brain can happen in an instant. The head is connected to the spinal cord or brain, and the tail connects to a muscle or organ. Each neuron has a head called the cell body and a long tail called an axon. To put it simply, neurons are like electrical wires that are lined on the outside by special cells that provide insulation. These nerves fire muscles sense temperature and control your heart, lungs and other involuntary functions essential to life. The peripheral nervous system, on the other hand, connects the central nervous system with your internal organs, muscles and sensory tissues. The brain and spinal cord make up the central nervous system, which is usually what first comes to mind for many people. Nervous system injuries can be painful, and cause weakness, tingling, numbness and even changes in blood circulation.Īll the neurons in your body start and end in your brain or spinal cord. This affects the brain's ability to communicate with your muscles and sensory organs. It can be damaged, and it heals with great difficulty, if at all. The nervous system receives and relays sensory information like vision, sound, smell, taste, touch and pain. Their connections, called synapses, reach all areas of the body. Learn more about what causes the burning sensation and when you should seek medical attention.The nervous system is a complex and wide-reaching network of nerve cells called neurons.
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