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If somebody who was in a car accident has normal brain MRI, does it mean that everything is OK?


Not necessarily. Subtle (or may be even not so subtle) cognitive impairment may persist despite the normal brain MRI.So the notion the MRI can be used to “rule out” long-term consequences of traumatic brain injury is flawed. MRI is a very useful way of characterizing the condition of one’s brain, but it is not the only one and not the definitive one.

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