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Unformatted text preview: . It occurs suddenly after such events as a stroke or traumatic head injury. The acquired type can occur at any age. Causes and symptoms Causes There is no known cause of developmental mixed receptive-expressive language disorder. Researchers are conducting ongoing studies to determine whether biological or environmental factors may be involved. The acquired form of the disorder results from direct damage to the brain. Damage can be sustained during a stroke, or as the result of traumatic head injury, seizures , or other medical conditions. The specific symptoms of the acquired form of the disorder generally depend on the parts of the patient's brain that have been injured and the severity of the damage....
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- Fall '09