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Message: [QUOTE="Cuseregular, post: 1523984, member: 185"] yep short of doing fMRI's/fMRA's and/or PET scans that show not only structure but actual functioning brain parameters such as blood perfusion/circulation, hemodynamic responses and actual neuronal function as it happens, and as a result being able to detect abnormal functioning or non functioning tissue: short of doing these really expensive "functional" MRI's, etc. on everyone with suspected concussions theres no way to know with certainty what is going on as I posted elsewhere. And I'm not even sure that these would be sensitive enough to show the details of what is going on and injured. Between this and just the nature of this GD sport these are tough issues that I fear is going to adversely effect the sport at most levels very soon. [URL]http://www.cnn.com/2015/10/25/us/illinois-high-school-football-player-death/index.html[/URL] [/QUOTE]