Modified Cued Recall Test: Longitudinal Analysis of Test Versions and Item Recall in Adults With Down Syndrome.
Emily K Schworer, Benjamin L Handen, Sharon Krinsky-McHale and 8 others
PMID 40254895WHAT IT FOUND
The Modified Cued Recall Test detects Alzheimer's-related decline in adults with Down syndrome, but using two different test versions creates scoring differences that can confuse results.
For cognitively stable individuals, a drop of more than 6 points over 32 months signals meaningful decline.
Key findings
01Test version B was significantly more difficult than version A for participants with moderate and severe intellectual disability, lowering cued recall scores and increasing errors.
02For cognitively stable adults, a total score decline of more than 6 points over 32 months indicates clinically meaningful change, while for those with mild cognitive impairment, a decline of more than 5 points is meaningful.
03Free recall declined more sharply than cued recall over time, with the ratio of free to total recall dropping from 0.47 to 0.30 in adults with Alzheimer's dementia.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The sample lacked diversity, being primarily White and non-Hispanic. The number of participants with MCI and Alzheimer's dementia was limited, which restricts the precision of timeline estimates for decline in these groups. The study did not analyze the specific types of intrusion errors (e.g., perseverative vs. random), which might offer additional diagnostic clues. The authors could not fully separate the effects of ageing from the effects of the disease progression in the cross-sectional comparisons due to the nature of the cohort.
Declared interests
Several authors have significant financial conflicts of interest related to Alzheimer's research and treatments. These include consulting fees, royalties, honoraria, and stock ownership in companies such as NovoGlia Inc., Ireneo Health PBC, Alzheon Inc., and Ionis Pharmaceuticals. Some authors also hold patents related to the field.
The easy way to misread this
Do not assume that a score change between two different versions of the Modified Cued Recall Test represents true cognitive decline. The study found that Version B is significantly more difficult than Version A for adults with moderate to severe intellectual disability, which can create artificial drops in scores. Always compare like-for-like versions when tracking change over time.