I was hoping someone with direct experience would post!
When I first heard this story, I was thinking petit mal seizure was in the realm of possibility.
However Bryson apparently has no history of any kind of seizures, petit mal or grand mal.
Sure, it could've been a "first" seizure -- but how would anyone have been able to determine that so quickly? Like, immediately after the accident? Seems to me it would take several days of medical testing to even suggest that a petit mal was a possibility. (And if it had been grand mal, Bryson wouldn't have been in any condition to drive off and hit someone else.)
If it turns out that Bryson did in fact have a history of petit mal seizures, wouldn't that condition have to be noted on his driver's license?
In general, once the seizure is over, there is no evidence that it occurred. However, with big ones, the seizure so takes over the body that it goes catatonic for up to several hours. Absolute, total exhaustion.
Several of my kids have had seizure issues when they were younger.
THey are tested by hooking up sensors to the head and monitoring brain activity for about 24 hours.
For obvious reasons, liberals are very hard to test for normal brain functions. (sorry, had to do it)