Issues in the taxonomy of psychopathology in mental retardation.

Einfeld et al. (1995) reviewed how we label mental-health problems in people with intellectual disability. They asked: do DSM and ICD categories really fit this group? The paper maps where the codes break down and offers a new research blueprint.

The authors show that standard labels often miss the mark. Behaviors seen in ID can look like depression, ADHD, or psychosis, yet the roots are different. Without valid tags, treatment choices and data sets get muddy.

Reiss et al. (1993) made a similar warning two years earlier. Both papers say: stop forcing ID clients into regular psychiatric boxes. Matson et al. (1999) later gave real-world proof, testing the ICD-10 ID guide and finding the same holes the target predicted.

Dosen (2005) builds on the target by adding a developmental lens. Where Einfeld et al. (1995) want multivariate data, A says layer on the client's developmental level before you pick any label.

Tassé et al. (2013) moves from critique to action. Using ideas like those in the target paper, they handed AAIDD's concrete wording for ICD-11, swapping 'mental retardation' for 'intellectual disability' and tightening rules.

Next time you face 'Is this depression or just ID behavior?' remember this line of studies. Pull in behavior phenotypes, adaptive scores, and developmental level before you pick a code. Your diagnosis will be clearer, and your treatment plan will match the real function, not the handy label.