Source: Definition of Mild Traumatic Brain Injury Developed by the Mild Traumatic Brain Injury Committee of the Head Injury Interdisciplinary Special Interest Group of the American Congress of Rehabilitation Medicine.
J Head Trauma Rehabil 1993:8(3):86-87
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Breakthrough: The most modern MRI techniques are now showing significant pathologies in Subtle Brain Injury cases.
Two major developments may completely change the diagnostic process for those with subtle or mild brain injury.
The first is the development of higher resolution scanners, 3.0 Tesla strength magnets, as opposed to the last generation of 1.5 Tesla strength magnets. The second, perhaps more significant, is the ability to do 1 mm slices of particular parts of the brain, where pathology can be anticipated. While it is too early to determine whether the majority of those diagnosed with Post Concussion Syndrome will have abnormal scans (as opposed to the overwhelming majority who had normal scans previously) the chance of actually being able to see what has so long been called the "invisible injury" is vastly improved with this new technology.
The implications of this development, are staggering. My entire career as a TBI attorney has been devoted to finding footprints of pathology, to prove that changes in the function and behavior of the brain, are sufficient proof that brain damage did occur - despite normal imaging. Too much of the field of neuropsychology is devoted to the same challenge. In forensic cases, the issue of diagnosis has overwhelmed the more important questions of what impact the injury has had on behavior, function and emotions of the injured person. Injured and distressed people shouldn't be put through the agony of a diagnostic ordeal, but to overcome the skepticism and ignorance of so much of the medical community, it has been necessary.
However, with the improving MRI capabilities, at least for a significant proportion of individuals, the role of the doctors can now be understanding and documenting the problems the patient is having, not arguing about whether or not they were injured. Can you imagine demanding someone with a broken leg, to run miles to prove the leg was broken? Yet, we routinely demand of the injured brain, a full day of tests, to prove it needs help.
The leading author in the field of neuropsychology, Muriel Lezak had this to say about the shift in the role of neuropsychologists:
"Advances in diagnostic medicine, with the exception of certain cases with mild or questionable cognitive impairment,1 have changed the typical referral question to the neuropsychologist from one that attempts to determine if the patient has neurologic disease or not. In most cases, the presence of "brain damage" has been clinically established. However, the behavioral repercussions of brain damage vary with the nature, extent, location, and duration of the lesion; with the age, sex, physical condition, and psychosocial background and status of the patient; and with individual neuroanatomical and physiological differences (see Chapter 3, 7 and 8). Not only does the pattern of neuropsychological deficits differ with different lesions characteristics and locations, but two person with similar pathology and lesion sites may have distinctly different neuropsychological profiles." page 17.
Neuropsychological Assessment Fourth Edition, 2004, Oxford University Press,Muriel D. Lezak, Diane B. Howieson and David W. LoringWith H. Julia Hannay and Jill S. Fischer.
What makes this development so exciting is that Lezak's words were written before this latest breakthrough technology was fully developed. Now in significantly greater proportion of "the certain case(s) of mild" brain injury, the MRI will establish that there was brain damage. For those cases, the defense position that the injured person is malingering or that the symptoms are due to a congruous interplay of emotional deficits, will ring as hollow as a politicians rhetoric.
For you and your family, the future may be now, and it is none too soon.
Why subtlebraininjury.com?
subtlebraininjury.com is a website with a mission to educate with respect to the magnitude of brain injury which does not involve coma - injuries that have been labeled by names which grossly minimize their potential impact upon the life of the injured person. This site is brought to you by the advocates of the Brain Injury Law Group, a community of plaintiff's trial lawyers across the United States united by a common interest in serving the rights of persons with traumatic brain injuries and a common commitment to fully understanding the anatomic, medical and psychological aspects of TBI
Additional Information
For a full treatment of the topic of brain injury, and recovering adequate compensation for those who have survived such injury, please visit our other pages. tbilaw.com A general treatment of all types of brain injury, including severe brain injury and concussion, with a special focus on the legal aspects of recovering full and adequate compensation for such injuries. tbilaw.com has been at the cornerstone of the web advocacy of the Brain Injury Law Group since it went online in 1996. waiting.com A page designed to assist those with issues regarding coma, especially in the acute phase when the doctors are saying "I just don't know." vestibulardisorder.com Addressing vertigo and dizziness resulting from trauma as well as information and resources for vestibular disorders.
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