Deposition of neurologist Mark D'Esposito for use at arbitration.
Автор: John Roach, Esq.
Загружено: 2025-10-14
Просмотров: 40
In this video deposition from September 29, 2025, neurologist and UC Berkeley professor Mark D'Esposito, M.D., testifies remotely as an expert witness in an underinsured motorist arbitration. During direct examination by claimant's attorney, Mr. Roach, Dr. D'Esposito explains traumatic brain injury (TBI) as caused by diffuse axonal injury (DAI), where rapid acceleration-deceleration forces from a collision stretch or tear axons, disrupting brain communication, particularly in frontal lobe functions like attention and memory. Using clear analogies, he likens axons to electrical cables that, when damaged, cause persistent cognitive deficits, without requiring direct head impact.
Mr. Roach's questioning builds a compelling case, linking the claimant's post-collision symptoms—forgetfulness, slowed processing, headaches, and dizziness—to DAI, supported by neuropsychological testing. Dr. D'Esposito preempts defense arguments, notably the reliance on normal MRI scans, clarifying that standard imaging misses microscopic DAI damage. He refutes claims of anxiety as the cause, emphasizing DAI's unique, enduring cognitive impact. His authoritative, evidence-based testimony, grounded in cognitive neuroscience, effectively dismantles defense counterpoints, reinforcing the collision's role in the claimant's TBI.
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