this post was submitted on 17 May 2025
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It does seem as if there would be explanations for the unusual difference.
https://www.iflscience.com/identical-twins-raised-in-the-us-and-korea-display-surprising-iq-variations-71357
That's kind of an understatement. Three traumatic brain injuries is not exactly something that can be ignored when discussing differences in mental faculties.
Concussion, and Traumatic Brain Injury, are two very different diagnosis.
The two shouldn't be conflated.
All concussions are traumatic brain injuries, not all traumatic brain injuries are concussions.
And there's a reason for the two different terms. Concussions (or mild TBI), is a brief dysfunction of the brain. Full TBI is substantial often permanent damage.
Using the term TBI for concussion, is an example of manipulative intensifying language, to make something sound worse than it is.