Rowland D. Trauma induced autism – an update. Journal of Neurology, Psychiatry and Brain Research 2020;(03): https://kosmospublishers.com/wp-content/uploads/2020/11/Trauma-Induced-Autism-An-Update.pdf
ABSTRACT: Autism is characterized by perpetual and unrelenting hyperfocus, the state of intense single-minded concentration fixated on one thing at a time to the exclusion of everything else, including one’s own feelings. Most cases of autism appear to be congenital in origin. This report opens the door to the possibility that some cases of autism may be caused by extreme trauma. Eight subjects were examined whose documented autism was precipitated by a single event that was experienced as so horrific as to make life too painful to continue living. In each case, the brain instantly responded by permanently altering its neurophysiology so that the person never again experienced emotional pain. Instead of ending their painful lives, these people put an end to emotional pain in their lives, with the unfortunate consequence that they also ended their ability to receive pleasure.