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> Yep, I think it's a useful phenotype, not a disease unless the degree to which the otherwise useful traits manifest causes one to struggle to live a happy life. Yes, it is important to distinguish phenotypes from disorders. If one has the phenotype, but isn’t impaired by it to a clinically significant degree, one does not have the disorder (ASD), but one does have the broad autism phenotype (BAP; aka the broader autism phenotype or subclinical ASD). [0] The number of people who have the phenotype without the disorder is likely several times those having the disorder. The broad phenotype is particularly common among close blood relatives (parents/siblings/children) of those with the disorder. It is also has an elevated prevalence among STEM professionals. I think it is unfortunate there is not greater public awareness of BAP and its distinction from ASD. Probably many of the people who describe themselves as “on the spectrum” in a colloquial sense have BAP not ASD. [0] strictly speaking, one can speak of a narrow autism phenotype (phenotype with the clinical disorder) and a broad(er) autism phenotype (phenotype without the clinical disorder), which together make up the autism/ASD phenotype as a whole. Given the distinction between the two is clinical, it is possible in theory for the exact same phenotype to be broad for one person and narrow for another - one person might be in a less supportive environment which produces clinical impairment, the other in a more supportive environment in which impairment remains at a subclinical level - impairment arises through phenotype-environment interaction, it is not always inherent to the phenotype in itself |
My son, however, has severe ASD and will likely need a caretaker for life.
The difference in the spectrum is astonishing.