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Thomas Reilly's avatar

Yes, my definition would be reducing the complexity of a person's mental disorder to their brain. I think most psychiatrists/psychologists would accept this definition of biological reductionism. And for some disorders with a more psychological/social cause (like PTSD or borderline personality disorder) reduction to the brain probably isn't the right level of understanding.

For major mental illnesses (like schizophrenia or bipolar disorder) it seems that reducing to the level of the brain is important for discovering new treatments, although each individual needs to be understood within their own psychological/social/cultural background.

I completely agree about the problems of surrogate markers. This is less of an issue in psychiatry because at the moment we don't yet have any biomarkers in clinical practice (arguably the closest might be Alzheimer's disease).

Most psychiatric services I've worked in (all NHS) do not treat patients as numbers or ICD/DSM diagnoses. It is standard for an initial assessment to last more than an hour and follow-up assessments to be 30 minutes. I can't imagine trying to see a patient in a 15 minute window - perhaps this is one of the reasons I ended up in psychiatry!

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Christine Sutherland's avatar

Reductionism is a great protection against going down rabbit holes of woo, and certainly better and safer than making up arbitrary models and presenting them as reality.

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