Almost half of people still show symptoms of brain injury 6 months post-concussion, according to a new study that found acute thalamic hyperconnectivity in such patients. TBI
Persistent symptoms and incomplete recovery are common after mild traumatic brain injury , commonly known as concussion, despite the 'mild' label. A new study from the University of Cambridge,Investigators said that concussion resulting from a blow or jolt to the head – for example from a fall, sports injury, or accident – is often followed by ongoing symptoms that may include depression, cognitive impairment, headaches, and fatigue.
"At present, we have no clear way of working out which of these patients will have a speedy recovery and which will take longer, and the combination of over-optimistic and imprecise prognoses means that some patients risk not receiving adequate care for their symptoms." First author Rebecca Woodrow, a PhD student in the Department of Clinical Neurosciences at the University of Cambridge, said: "Despite there being no obvious structural damage to the brain in routine scans, we saw clear evidence that the thalamus – the brain's relay system – was hyperconnected. We might interpret this as the thalamus trying to over-compensate for any anticipated damage, and this appears to be at the root of some of the long-lasting symptoms that patients experience.
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