Mode of locomotion and other determinants of navigation ability post-stroke.
Erica M Barhorst-Cates, Aaron L Wong, Laurel J Buxbaum
PMID 40244856WHAT IT FOUND
Stroke patients were less accurate than controls when retracing a real building route after walking it.
Pointing to remembered landmark locations did not differ. Within the stroke group, video learning was worse than walking; wheelchair and walking did not differ.
Key findings
01When routes were learned by walking, people with stroke were less accurate than controls at retracing the route.
02Pointing errors to remembered landmark locations did not differ between people with stroke and controls.
03Within the stroke group, route memory was lower after video learning than after walking; wheelchair and walking did not differ.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The study compared 34 people with stroke with 16 controls, and the authors note the sample may have been too small to detect subtle effects. It did not test a rehabilitation treatment, so it cannot show that any therapy improves navigation. Navigation was assessed in one building with printed artificial landmarks, so results may not transfer to outdoor or everyday community navigation. The landmark pointing task was difficult for controls too, and the route task was near ceiling in walking and wheelchair, which may hide differences between those conditions. The study did not ask patients about their own navigation difficulties, and individual-level patterns may differ from group averages.
The easy way to misread this
Do not read the route-memory deficit as evidence that all navigation abilities are impaired after stroke. Landmark pointing did not differ from controls, and this study did not test whether treatment improves navigation.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →