Generalizing the predictive relationship between 1-month motor skill retention and Rey-Osterrieth Delayed Recall scores from nondemented older adults to individuals with chronic stroke: a short report.
Jennapher Lingo VanGilder, Andrew Hooyman, Pamela R Bosch and 1 others
PMID 34082761WHAT IT FOUND
Adding visuospatial memory test scores to prediction models modestly improved accuracy for 1-month motor skill retention in older adults and people with stroke.
The benefit was small and based on very few stroke patients, so it is not yet a clinical tool.
Key findings
01Delayed Recall test scores significantly predicted 1-month motor performance in older adults, with better scores linked to better retention.
02Including Delayed Recall scores modestly reduced prediction error in both older adults and people with stroke, though the absolute error remained high in the stroke group.
03Age did not significantly predict 1-month motor performance once baseline motor function and visuospatial memory were included in the model.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
Only seven people with stroke were studied, all with very mild motor impairment and all more than one year post-stroke. The study was a short report, not a fully powered clinical trial, and the authors note that effect sizes from such small samples are prone to inflation. It is unknown if this predictive relationship holds for people with moderate-to-severe impairment or in the acute stage of recovery. The feasibility of administering the Rey-Osterrieth test within a standard therapy session has not been tested.
Declared interests
The study was funded by the National Institute on Aging. No conflicts of interest are declared in the provided text.
The easy way to misread this
Do not interpret this as evidence that a visuospatial memory test can currently predict motor recovery for your patients. The stroke sample included only seven people with very mild impairment, and the authors explicitly state these models are not valid recovery prediction tools.