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Narrative Discourse Predictors of Response to Naming Intervention in Aphasia.

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Title: Narrative Discourse Predictors of Response to Naming Intervention in Aphasia.
Authors: den Ouden, Dirk B.1,2 denouden@chapman.edu, Giglio, Laura1, Kristinsson, Sigfus1, Bonilha, Leonardo1, Schwen Blackett, Deena3, Stark, Brielle C.4, Wilmskoetter, Janina5, Fridriksson, Julius1
Source: Journal of Speech, Language & Hearing Research. Jul2026, Vol. 69 Issue 7, p3272-3289. 18p.
Subject Terms: *Academic medical centers, *Data analysis, *Aphasia, *Speech-language pathology, *Speech therapy, *Evaluation, Statistical sampling, Treatment effectiveness, Descriptive statistics, Statistics, Semantics, Phonetics, Stroke patients, Data analysis software, Psychosocial factors
Geographic Terms: South Carolina
Abstract: Purpose: While aphasia treatment studies commonly use picture-naming performance as an outcome measure, narrative discourse better reflects functional language use. Discourse variables may also hold prognostic value for naming treatment response, but their predictive role remains underexplored. Method: We analyzed baseline and posttreatment narrative discourse samples from 95 chronic stroke survivors with aphasia enrolled in a lexical retrieval intervention study. Participants received 3 weeks each of phonological and semantic naming therapy in a crossover design. The Cinderella story retells were analyzed for a range of discourse features: mean length of utterance, words per minute, verbs per utterance, propositional density, type–token ratio, core lexicon, main concepts analysis, and error ratios. We used univariate (generalized) binomial and linear mixed-effects modeling with multiple predictors to assess whether baseline discourse variables predicted naming gains on the Philadelphia Naming Test and whether discourse variables themselves changed following treatment. Results: Higher aphasia severity and lower baseline propositional density predicted greater naming gains across time points and treatment types. Gains after phonological therapy were also predicted by higher baseline core lexicon production. Posttreatment discourse showed gains in mean length of utterance, words per minute, and core lexicon, which were maintained at 6 months, while phonological errors declined only at follow-up. Phonological treatment led to increases in words per minute. Conclusions: Discourse variables reflecting propositional efficiency and lexical appropriateness uniquely predict treatment response beyond general aphasia severity. Lexical retrieval therapy generalizes to improvements in narrative discourse, underscoring the clinical value of incorporating discourse-level measures in aphasia assessment and treatment outcome evaluation. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: Narrative Discourse Predictors of Response to Naming Intervention in Aphasia.
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  Data: <searchLink fieldCode="AR" term="%22den+Ouden%2C+Dirk+B%2E%22">den Ouden, Dirk B.</searchLink><relatesTo>1,2</relatesTo><i> denouden@chapman.edu</i><br /><searchLink fieldCode="AR" term="%22Giglio%2C+Laura%22">Giglio, Laura</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kristinsson%2C+Sigfus%22">Kristinsson, Sigfus</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Bonilha%2C+Leonardo%22">Bonilha, Leonardo</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Schwen+Blackett%2C+Deena%22">Schwen Blackett, Deena</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Stark%2C+Brielle+C%2E%22">Stark, Brielle C.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Wilmskoetter%2C+Janina%22">Wilmskoetter, Janina</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Fridriksson%2C+Julius%22">Fridriksson, Julius</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Speech%2C+Language+%26+Hearing+Research%22">Journal of Speech, Language & Hearing Research</searchLink>. Jul2026, Vol. 69 Issue 7, p3272-3289. 18p.
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  Data: *<searchLink fieldCode="DE" term="%22Academic+medical+centers%22">Academic medical centers</searchLink><br />*<searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Aphasia%22">Aphasia</searchLink><br />*<searchLink fieldCode="DE" term="%22Speech-language+pathology%22">Speech-language pathology</searchLink><br />*<searchLink fieldCode="DE" term="%22Speech+therapy%22">Speech therapy</searchLink><br />*<searchLink fieldCode="DE" term="%22Evaluation%22">Evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+sampling%22">Statistical sampling</searchLink><br /><searchLink fieldCode="DE" term="%22Treatment+effectiveness%22">Treatment effectiveness</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics%22">Statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Semantics%22">Semantics</searchLink><br /><searchLink fieldCode="DE" term="%22Phonetics%22">Phonetics</searchLink><br /><searchLink fieldCode="DE" term="%22Stroke+patients%22">Stroke patients</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Psychosocial+factors%22">Psychosocial factors</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22South+Carolina%22">South Carolina</searchLink>
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  Label: Abstract
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  Data: Purpose: While aphasia treatment studies commonly use picture-naming performance as an outcome measure, narrative discourse better reflects functional language use. Discourse variables may also hold prognostic value for naming treatment response, but their predictive role remains underexplored. Method: We analyzed baseline and posttreatment narrative discourse samples from 95 chronic stroke survivors with aphasia enrolled in a lexical retrieval intervention study. Participants received 3 weeks each of phonological and semantic naming therapy in a crossover design. The Cinderella story retells were analyzed for a range of discourse features: mean length of utterance, words per minute, verbs per utterance, propositional density, type–token ratio, core lexicon, main concepts analysis, and error ratios. We used univariate (generalized) binomial and linear mixed-effects modeling with multiple predictors to assess whether baseline discourse variables predicted naming gains on the Philadelphia Naming Test and whether discourse variables themselves changed following treatment. Results: Higher aphasia severity and lower baseline propositional density predicted greater naming gains across time points and treatment types. Gains after phonological therapy were also predicted by higher baseline core lexicon production. Posttreatment discourse showed gains in mean length of utterance, words per minute, and core lexicon, which were maintained at 6 months, while phonological errors declined only at follow-up. Phonological treatment led to increases in words per minute. Conclusions: Discourse variables reflecting propositional efficiency and lexical appropriateness uniquely predict treatment response beyond general aphasia severity. Lexical retrieval therapy generalizes to improvements in narrative discourse, underscoring the clinical value of incorporating discourse-level measures in aphasia assessment and treatment outcome evaluation. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=195295676
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        Value: 10.1044/2026_JSLHR-25-00499
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      – Code: eng
        Text: English
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        Type: general
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      – SubjectFull: Aphasia
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      – SubjectFull: Speech-language pathology
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      – SubjectFull: South Carolina
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              Text: Jul2026
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