How does brain contusion occur?

How brain contusion is caused: brain contusion is under the action of external force, brain tissue shows scars under the action of hedge force, sometimes showing bleeding points, micro-bleeding and other symptoms, resulting in brain cells and brain fiber damage. Brain contusion is different from brain contusion and laceration, and its nature is much more serious than concussion, because brain contusion has bleeding focus and bleeding point, and the damage to nervous system is also multi-faceted. Besides pain, mental disorder, sensory disorder and motor disorder, the main symptoms are also accompanied by emotional, language, visual, auditory and other functional damage. Brain contusion is a comprehensive performance of the process, treatment is often in the brain surgeon under the guidance of diagnosis and treatment, early detection, early treatment, after active treatment, prognosis is better.