Jahi McMath case: A comprehensive and updated narrative.

The Jahi McMath case represents a pivotal moment in the reevaluation of brain death or death by neurological criteria (BD/DNC) and disorders of consciousness. Declared brain dead on December 12, 2013, following surgical complications, Jahi's case became a landmark in challenging conventional BD/DNC definitions. As an independent consultant for the International Brain Research Foundation, I recommended advanced ancillary tests, including neuroimaging, electrophysiological, and heart rate variability assessments, conducted at Rutgers University Hospital and Jahi's apartment in New Jersey. My analyses revealed unprecedented findings: Significant preservation of intracranial structures, including the upper brainstem, despite extensive white matter damage and partial herniation. I identified residual cognitive processing and autonomic responses, which suggested a novel disorder of consciousness distinct from both BD/DNC, the unresponsive unawareness syndrome, the minimally conscious state, and the locked-in syndrome. These insights, reinforced by complementary evaluations by Dr. Alan Shewmon, who later documented Jahi's purposeful responses to commands by videos analysis, contributed to reshaping the discourse on consciousness disorders. Despite initial resistance from the scientific community, my findings during September 2014 were eventually published, presenting the first detailed anatomical and functional analysis of Jahi's condition. The Jahi McMath case underscores the need for advanced diagnostics, multidisciplinary collaboration, and a nuanced understanding of consciousness. This case has significant implications for the medical and legal communities, particularly in defining and diagnosing BD/DNC and studying disorders of consciousness. The novel disorder of consciousness might be integrated into existing diagnostic criteria and treatment protocols for BD/DNC and in classifying disorders of consciousness. It remains a cornerstone for future research and challenges in defining and diagnosing BD/DNC.