I came across this after a random search of LGI1 - a term I'd not heard of before.
Here is a description: "Mutations of LGI1 have been linked to autosomal dominant lateral temporal lobe epilepsy (ADLTE). Recently auto-antibodies against LGI1 have been described as the basis for an autoimmune encephalitis, associated with specific motor and limbic epileptic seizures."
The Royal College of Physicians has published a paper going into some detail about how this works on the brain and advises on some possible outcomes and treatments. It's all very technical and gives an insight into the level of training and expertise that is needed to diagnose and treat AE.
Here's a link to the paper: rcpjournals.org/content/cli...
Research costs money, budgets are tight and competition for resources is stiff. So don't expect too much progress on what is after all, a very rare condition. Progress in other fields may transfer to AE knowledge. Elon Musk's brain chip may come up with something!
Best Wishes, G2