An Observational Examination of Circumlocution Ability in Acute Left-Hemisphere Stroke Survivors as a Possible Estimative Behavioral Measure of Very Mild Aphasia.
Victoria Tilton-Bolowsky, Ashley Raman
PMID 42177964WHAT IT FOUND
Acute left-hemisphere stroke survivors produced fewer informative object descriptions than controls, and survivors with aphasia on standardized testing produced fewer than survivors without.
Circumlocution may help spot very mild aphasia when standardized scores do not identify it, but this is preliminary.
Key findings
01In the circumlocution task, stroke survivors classified as aphasic by WAB-R produced fewer total informative features than stroke survivors classified as not aphasic by WAB-R and than controls; those not classified as aphasic also produced fewer than controls.
02Average features per description differed by group and feature type: stroke survivors not classified as aphasic produced more Action/Function and Physical Property features than aphasic survivors, and controls produced more Action/Function and Location features than non-aphasic survivors.
03For stroke survivors, adding average circumlocution features to a model with WAB-R naming and word finding score significantly improved prediction of discourse informativeness.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The study was cross-sectional and compared groups at one time point, so it cannot show recovery over time or confirm that this task identifies very mild aphasia. The sample was 15 controls and 27 stroke survivors, and the authors state larger samples are necessary. Very mild aphasia status was inferred from hospital records and available clinical tests, not a uniform research battery, so some participants without documented evidence may have had it. Stroke participants were tested in hospital rooms, while controls were tested in offices, homes, or on Zoom, so testing settings differed. The task measured prompted circumlocution, not spontaneous circumlocution during conversation or naming attempts. The regression excluded one influential outlier, leaving 25 stroke survivors in that analysis.
Declared interests
The authors report no conflicts of interest or competing interests.
The easy way to misread this
Do not use the circumlocution task as a diagnostic test for very mild aphasia based on this paper alone. The study compared group averages in 15 controls and 27 stroke survivors, and the authors call the findings preliminary.
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 →