Maybe this can help answer that question a little.
https://www.llresearch.org/channeling/2018/0303 Q`uo Wrote:...I do have a question. This relates to those mind/body/spirit complexes that incarnate on this planet with what can seem to be serious limitations, particularly of a psychic or mental nature, and I’m thinking most especially of those who are seemingly impaired in an emotional way that is often ascribed to what is called the “autistic spectrum.” I wonder if you can tell me if there is a pre-incarnative set of reasons associated with this kind of incarnative experience?
I am Q’uo, and am aware of your query, my brother. Indeed, we find that there is a specific opportunity offered to entities who are, shall we say, expressing the condition that is known among your peoples as, “autism,” for this particular condition makes it seem very difficult for such an entity to engage in a close or heartfelt experience of trading emotions and intelligence with other entities close to it. This is in order that the entities may develop a greater ability to do just that, for when there is the desire to create a certain ability within an entity, very often this entity preincarnatively will decide to program the lack of such an ability in order that the necessity to produce or manifest and enhance such ability is provided by its seeming opposite...