Meditation has only been a very small part of my practice. I've worked with a whole lot of different practitioners since about 2012. I can't really distil a decade plus of healing work into a comment that skeptical readers will find persuasive, but for those wanting to look into it for themselves, books by Gabor Maté and Bruce Lipton are a good start, and practices like Internal Family Systems, Family Constellations, EFT tapping, biofeedback/neurofeedback and Neuro-Emotional Technique are a worth trying.
In principle, emotional healing techniques are effective if they involve "letting go" of the physiological reaction (i.e., "trigger") that is activated when experiencing (or remembering) a traumatic event. Once the physiological reaction ceases to occur, the emotion is "processed", and is just a benign memory like any other. But that can take a huge amount of work over a long time for some complexes, if they are very, erm, complex, and deeply ingrained.
One of my practitioners, who I see every 2-3 months, specializes in releasing “armor” from the body with a specific massage technique.
I can easily believe that in many cases where someone is considered to be moderately-ASD, that it’s a case of this kind of armoring.
This is not to say there is no physiological or genetic component, but that the trauma and armoring is a significant factor in the expression of the condition.
Are you talking about meditation? And if so, on your own or with a teacher?