#psychiatric-nosology

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#cross-disorder-genomics #substance-use-disorders #genetic-liability #dimensionality #diagnostic-validity
Mental health
fromPsychology Today
1 week ago

Very Different Psychiatric Diagnoses Share Common Genes

Alcohol, cannabis, opioid, and nicotine use disorders share substantial genetic liability and cluster together as a single brain disorder, supporting a unified addiction-liability.
Mental health
fromPsychology Today
1 month ago

Diagnostic Validity Revisited

Dimensional symptom variation does not negate diagnostic validity; validity depends on whether categories map onto stable, distinctive, and predictively useful syndromes.
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