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Diagnoses can be validating and aid communication, but are unlikely to accurately reflect our minds.

Mental health may be better understood as overlapping dimensions, not rigid boxes.

Better mental health maps could increase accuracy, reduce stigma, and improve individualised care and support.

Receiving a mental illness diagnosis can be profoundly validating for many people. A diagnostic label often brings relief, language, treatment, and support. A diagnosis can transform years of feeling lost into more understanding and access to support, community, and enhanced relevant language.

But this profound usefulness of current diagnostic labels does not necessarily equal biological or neurological underlying truth. Nor does the experienced usefulness of a psychiatric classification system indicate that enhancements cannot be made.

Researchers and clinicians increasingly recognise that the categorical conditions identified in current psychiatric manuals may be overly rigid and simplistic models of how human minds work. Human psychology rarely lets itself be boxed into neat, isolated conditions with crisp boundaries. Instead, mental health challenges often overlap, interact, and shift across development, and are susceptible to context and environment.

Many people diagnosed with one condition eventually collect several more. Attention-deficit/hyperactivity disorder (ADHD) and anxiety… Autism and depression… Complex posttraumatic stress disorder (cPTSD) and phobia...

The boundaries between diagnoses, in real life, are often far more blurred than our manuals suggest. One option is that there is simply high comorbidity between many conditions (and also between different expressions of neurodivergence). But perhaps the issue is not simply comorbidity.

Perhaps our current categories themselves are incomplete elements of maps of human experience.

The Simplistic Box Model of Mental Health

Modern psychiatric models, such as the Diagnostic and Statistical Manual of Mental........

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