Dealing With the After Effects of TBI
By: Author Unknown | Posted: 22nd January 2008
There are many side effects after a tragic and traumatic brain injury (TBI). Loss of sight and memory, inability to function properly, imperfect balance, etc., are all possible after effects of TBI. Scientists are also uncovering that schizophrenia is more and more becoming associated with TBI.
What is Schizophrenia?
Schizophrenia (Greek for "shattered mind") is a psychotic disorder that affects behavior, mood and thinking. The term was originally coined as "the schizophrenias" because of the wide variety of symptoms characterizing the condition. A misperception that all schizophrenics hear voices is actually untrue. It is a symptom in some suffering from schizophrenia but not all. Psychologists break symptoms of schizophrenia into three categories:
. Positive symptoms are behaviors that are not present in normal individuals. Other symptoms include hearing things, delusional though as well as sporadic thought.
. Negative symptoms are symptoms showing loss of normal abilities. They include loss of ability to show or feel emotion, lack of motivation and trouble with speaking.
. Neurocognitive defects are problems with brain function in areas such as memory, problem-solving, attention and social functioning.
Schizophrenia Related to Brain Injury in Patients
Scientists have established that psychiatric conditions such as bipolar and anxiety disorders are more common in patients who have suffered from traumatic brain injuries. We also know that patients with schizophrenia have a high incidence of past brain damage, regardless of whether they have other strong predictors for schizophrenia, such as a family history of the disorder or maleness. But it is only since the early 1990s that researchers have begun to explore in depth that connection between brain damage caused by traumatic brain injury and schizophrenia.
Schizophrenia and Brain Injury: Recent Studies
. Among the findings of those studies:
. TBI-associated schizophrenia is true schizophrenia, not another disorder with similar symptoms, according to a 2001 study by Columbia University. Schizophrenia and TBI are now being associated as hand-in-hand illnesses, one usually occurs in the victim of the other.
. Another study in the same year at the University of New South Wales in Australia discovered that TBI patients with schizophrenia-like psychosis had more widespread brain damage and cognitive impairment than TBI patients without psychosis. It also suggested that a family history of schizophrenia and the severity of the brain damage sustained during TBI increased the risk of schizophrenia.
. In 2002, researchers in the state hospital of Hawaii discovered that it can actually take anywhere from 2 to 5 years for psychosis to develop in victims of TBI. The scientists in that study proposed that damage to frontal and temporal areas of the brain, and to the system that regulates dopamine, can cause psychosis.
While the complex nature of schizophrenia makes its cause unclear, as the last study suggests, there is evidence to believe that brain injury directly causes schizophrenia, by damaging the areas of the brain that control higher functions. There is also evidence that a traumatic brain injury may cause psychosis indirectly. Scientists believe that schizophrenia is caused by a combination of genetic susceptibility to the disease and an emotionally or physically traumatic experience that triggers this susceptibility. Researchers are finding that TBI and the trauma that can occur can actually trigger schizophrenia.
Many physicians know a traumatic brain injur may cause neurocognitive disorders such as trouble with speech, and psychiatric problems like bipolar disorder, but not all are aware of the growing evidence linking schizophrenia with brain damage. TBI patients and their families should be sure to include a qualified psychiatrist in their plans for brain damage treatment. In addition, brain injury patients and their families should consult an experienced brain injury attorney as they seek to recover costs for expenses such as lost wages, current medical costs and future medical care.
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Tags: psychologists, brain function, anxiety disorders, schizophrenia, lack of motivation, brain damage, traumatic brain injury, traumatic brain injuries, misperception