I'm interested in this too. I think depersonalization and derealisation can and are likely to feature in an Autistic person's life, but autism is not reducible to dp and dr.
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personal autism blog.
twitter @zettelstelle
Dxed with Autistic Spectrum Disorder 16/04/2016
Formal diagnosis is for access to services, not to validate me as Autistic. Self-diagnosis is valid.