In a message dated 2/17/2003 10:03:25 PM Eastern Standard Time,
[EMAIL PROTECTED] writes:
> A less ominous but equally "efficacious" cause is
> closed head injury (also called Traumatic Brain
> Injury); even one significant concussion/CHI (that
> lands the person in the ER, frex) can result in
> degradation of higher ('executive') functions, as can
> repeated head blows even if they don't cause
> black-outs (look at Mike Tyson!).
Concussions are single episode of minor head trauma with brief period (< 5min) loss of
consciousness and/or retrograde amnesia with no focal neurologic deficit. Headache,
inability to concentrate, memory loss are consequences of minor trauma. Findings
usually resolve within a few days but in some individuals it lasts for several months.
Complete recovery occurs in virtually all patients.
More significant trauma (moderate and severe trauma) are characterized by prolonged
loss of consciousness focal neurologic deficits (e.g paralysis) seizures. Patients
recover variably and over months to years with intensive rehabilitation.
>
>
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