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Understanding Right-Hemisphere Language Disorders Through a Half-Century of Research: A Systematic Review.

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Title: Understanding Right-Hemisphere Language Disorders Through a Half-Century of Research: A Systematic Review.
Authors: Lehman Blake, Margaret1 mtblake@uh.edu, Ferré, Perrine2, Murray, Laura3, Hewetson, Ronelle4, Johnson, Melissa5, Zezinka Durfee, Alexandra6, Minga, Jamila7,8, Sheppard, Shannon M.9, Love, Amanda4
Source: American Journal of Speech-Language Pathology. Sep2026, Vol. 35 Issue 5, p2434-2473. 40p.
Subject Terms: *Cerebral hemispheres, *Discourse analysis, *Language disorders, *Speech evaluation, *Speech perception, *Speech disorders, Brain damage complications, Health literacy, Wit & humor, Risk assessment, Research funding, CINAHL database, Descriptive statistics, Systematic reviews, Linguistics, MEDLINE, Medical research, Conceptual structures, Medical databases, Stroke, Figures of speech, Semantics, Online information services, Data analysis software, Facial expression, Psychology information storage & retrieval systems, Disease risk factors, Disease complications
Abstract: Purpose: Language deficits affecting multiple domains (e.g., semantics, pragmatics) have been reported after right-hemisphere (RH) stroke. The goal of the current study was to summarize the existing knowledge within the apragmatism framework. Method: A Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)--guided systematic review of 55 years of research was conducted. Data were extracted to describe study characteristics, along with linguistic and extralinguistic apragmatism components. Results: After content and quality reviews, 233 articles were included. Data were reported for over 4,300 participants with RH stroke. Methodological weaknesses included poor participant descriptions and use of experimental versus standardized/published assessments. Linguistic comprehension deficits were apparent at the word, sentence, and discourse levels, primarily in figurative language, inferencing, use of context, and humor. Linguistic production deficits at all three levels occurred particularly with less-structured elicitation tasks. Specifically for discourse, deficits affected coherence, cohesion, intended meaning, and emotional processing. Extralinguistic deficits consistently affected comprehension and production of facial expression; few studies examined other nonverbal communication cues. Conclusions: Language deficits at the word, sentence, and discourse levels can occur after RH stroke: Linguistic and extralinguistic apragmatism predominantly affect figurative language, inferencing, emotion, and intended meaning. Weaknesses in research methodology impede clear understanding of the language challenges experienced by this population. [ABSTRACT FROM AUTHOR]
Copyright of American Journal of Speech-Language Pathology 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: Understanding Right-Hemisphere Language Disorders Through a Half-Century of Research: A Systematic Review.
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  Data: <searchLink fieldCode="AR" term="%22Lehman+Blake%2C+Margaret%22">Lehman Blake, Margaret</searchLink><relatesTo>1</relatesTo><i> mtblake@uh.edu</i><br /><searchLink fieldCode="AR" term="%22Ferré%2C+Perrine%22">Ferré, Perrine</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Murray%2C+Laura%22">Murray, Laura</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Hewetson%2C+Ronelle%22">Hewetson, Ronelle</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Johnson%2C+Melissa%22">Johnson, Melissa</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Zezinka+Durfee%2C+Alexandra%22">Zezinka Durfee, Alexandra</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Minga%2C+Jamila%22">Minga, Jamila</searchLink><relatesTo>7,8</relatesTo><br /><searchLink fieldCode="AR" term="%22Sheppard%2C+Shannon+M%2E%22">Sheppard, Shannon M.</searchLink><relatesTo>9</relatesTo><br /><searchLink fieldCode="AR" term="%22Love%2C+Amanda%22">Love, Amanda</searchLink><relatesTo>4</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Speech-Language+Pathology%22">American Journal of Speech-Language Pathology</searchLink>. Sep2026, Vol. 35 Issue 5, p2434-2473. 40p.
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– Name: Abstract
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  Data: Purpose: Language deficits affecting multiple domains (e.g., semantics, pragmatics) have been reported after right-hemisphere (RH) stroke. The goal of the current study was to summarize the existing knowledge within the apragmatism framework. Method: A Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)--guided systematic review of 55 years of research was conducted. Data were extracted to describe study characteristics, along with linguistic and extralinguistic apragmatism components. Results: After content and quality reviews, 233 articles were included. Data were reported for over 4,300 participants with RH stroke. Methodological weaknesses included poor participant descriptions and use of experimental versus standardized/published assessments. Linguistic comprehension deficits were apparent at the word, sentence, and discourse levels, primarily in figurative language, inferencing, use of context, and humor. Linguistic production deficits at all three levels occurred particularly with less-structured elicitation tasks. Specifically for discourse, deficits affected coherence, cohesion, intended meaning, and emotional processing. Extralinguistic deficits consistently affected comprehension and production of facial expression; few studies examined other nonverbal communication cues. Conclusions: Language deficits at the word, sentence, and discourse levels can occur after RH stroke: Linguistic and extralinguistic apragmatism predominantly affect figurative language, inferencing, emotion, and intended meaning. Weaknesses in research methodology impede clear understanding of the language challenges experienced by this population. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of American Journal of Speech-Language Pathology 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=196981714
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        Value: 10.1044/2026_AJSLP-25-00294
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        Text: English
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        StartPage: 2434
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      – SubjectFull: Discourse analysis
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      – SubjectFull: Language disorders
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      – SubjectFull: Speech evaluation
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