The pain cycle, what is involved?
Pain starts from activation of the nervous system. There are 9 steps of the pain circle: Step 1: Local inflammation. Anything causing tissue damage such as injury, surgery, or infection can lead to local inflammation. This is the origin of the pain. Step2: Peripheral sensitization. Local inflammation irritates the nerves lowering the pain threshold causing peripheral sensitization. Step3: Central sensitization. Nerve signals are transmitted to the brain causing central sensitization. Step4: Pain sensation. The brain tells you that there is pain in the body somewhere. Step5: Pain cognitive processes. The brain where is sensing the pain connects other part of the brain where controls emotion causing emotional and behaviour changes. Step6: Depression and anxiety. The brain where controls emotions is affected by the pain signals and alters its function causing depression and anxiety Step7: Cortical reorganization. The brain reallocates its task to different parts of the body to reduce pai...