https://www.frontiersin.org/articles/10.3389/fncel.2015.00519/fullMy #2 Grandson is currently undergoing treatment at Shands in Florida for "GAD65 Positive Autoimmune Limbic Encephalitis".
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3513425/Post mortum examinations have show a very high incidence of Brain encephalitis in the Autistic.
From the end of a long medically challenging for me read.
https://www.frontiersin.org/articles/10.3389/fncel.2015.00519/full"Discussion
The dramatic rise in ASD began in the 1990s, and in the past two decades, the rates of ASD have increased by 289% (Boyle et al., 2011). The sudden and dramatic rise in ASD prevalence has, in some ways, caught the medical community “off guard.” In the midst of the meteoric rise in rates of autism and ASD, significant new research into the physical symptoms has been done. The challenge now is to incorporate this new research about the physical symptoms of autism into the practice of medicine that historically has stereotyped autism as a purely psychiatric disorder. For the benefit of patients, the physical symptoms of autism must be recognized and treated. For children with ASD, particularly those who have begun to regress into ASD and show other signs of neurological regression, testing for encephalitis may be warranted. Particularly, given the documented cases of children with regressive ASD and NMDA Encephalitis who tested positive for anti-NMDA receptor antibodies, routine testing for anti-NMDA receptor antibodies in ASD should be seriously considered. The study by Scott et al. (2014), mentioned earlier, of the child who regressed into autism and recovered from treatment for NMDA, indicates that there is benefit to recognizing the possibility of encephalitis in children with ASD. The delay in incorporating new research findings into medical practice standards is unfortunate because if a diagnosis of autism or ASD were recognized in the medical community as having a possible component of encephalitis that could be tested and treated appropriately, such treatment for encephalitis would likely reduce, and possibly eliminate, ASD symptoms in some children. Future studies should include treatments for neuroinflammation in ASD."