My sister says I didn’t really talk until I was five. It is possible, then, that I am as affected by autism as my oldest.
The important thing you learn by the end of Abnormal Psychology and diagnosing yourself and everyone you know with all the things is that a trait is different from a disorder in the important matter of degree. Disorders have some combination of abnormalcy, distress and dysfunction.
“Studies indicate that parents of children with ASD are more likely to show measurable impairments in traits related to the diagnostic criteria of ASD as compared to parents of children without ASD including language and conversational skills, face processing and memory, theory of mind, and social relations.” Bernier et al. 2012 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3237782/
An early blog post on BAP