NFL players with advanced CTE got lowest impairment rating in league testing | Exclusive

NFL players diagnosed with advanced CTE after death who also demonstrated cognitive impairment in testing during their life still did not meet the requirements for financial compensation under the NFL Concussion Settlement, according to a Boston University study published Wednesday.

Researchers examined 33 NFL players diagnosed with CTE after an autopsy who had completed the baseline assessment program (BAP) stipulated by the 2014 settlement – that ended a years-long class-action lawsuit – in what researchers called the largest study to date linking cognitive testing performance during life with CTE confirmed posthumously.

The results, published in JAMA Network Open, found that seven participants had advanced (Stage 3 or 4) CTE. Six of those seven showed measurable cognitive impairment on testing, yet all seven received the lowest impairment rating (Level 0) on the BAP's system, according to documentation provided to researchers by players' families.

"The BAP's diagnostic criteria might miss cases of cognitive impairment that are objectively measurable and associated with confirmed CTE pathology," Michael Alosco, PhD, co-director of clinical research at the BU CTE Center said in a statement. "This has important implications for former players seeking diagnosis and potential compensation through the NFL Concussion Settlement."

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