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A Longitudinal Study of Auditory Comprehension in Poststroke Aphasia.

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Title: A Longitudinal Study of Auditory Comprehension in Poststroke Aphasia.
Authors: Salvas, Camille1, Paré, Jacinthe1, Brambati, Simona Maria2,3, Osa García, Alberto1,4, Brisebois, Amélie1,4, Marcotte, Karine1,4 karine.marcotte@umontreal.ca
Source: American Journal of Speech-Language Pathology. Jul2025, Vol. 34 Issue 4, p2212-2227. 16p.
Subject Terms: *Comparative grammar, *Data analysis, *Aphasia, *Chronic diseases, *Auditory perception, Acute diseases, Research funding, Neural pathways, Magnetic resonance imaging, Chi-squared test, Descriptive statistics, Friedman test (Statistics), Statistics, Stroke, Stroke patients, Data analysis software, Confidence intervals, Disease complications
Geographic Terms: Québec (Province)
Abstract: Objective: Most studies documenting the longitudinal recovery of auditory comprehension in poststroke aphasia begin in the subacute phase. The present study aimed to address this gap by exploring the longitudinal changes in auditory comprehension from the acute to the chronic phase and their neural correlates. Method: Twenty-one Laurentian French persons with aphasia (PWA) following a first left middle cerebral artery stroke underwent three language assessments (acute: 0-72 hr, subacute: 7-14 days, chronic: 6-12 months postonset). Auditory comprehension was assessed at each time point using two tasks, sentence-picture matching and sequential commands. From the sentence-picture matching task, four measures were extracted (single-word, subject-verb, canonical subject-verb-object, and noncanonical subject-verb-object comprehension), while one measure was derived from the sequential commands task, totaling five measures. Lesion-symptom mapping (LSM) was used to identify the brain regions associated with comprehension impairments. Results: All five auditory comprehension measures showed significant positive changes between acute and chronic phases. Persistent comprehension impairments with canonical sentences and sequential commands were more likely to occur in the chronic phase. LSM analyses revealed that comprehension of non-canonical sentences was associated with lesions in the supramarginal gyrus and extended to the superior temporal gyrus (STG) and middle temporal gyrus (MTG). Similarly, the comprehension of sequential commands was associated with lesions in the MTG, extending to the STG and insula. Conclusion: The current findings suggest that PWA with more severe impairments in the acute phase reach a similar performance in the chronic phase than people with milder aphasia and suggest a critical role for the left MTG in the recovery of auditory comprehension, especially with complex stimuli. Supplemental Material: https://doi.org/10.23641/asha.29202788 [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: <searchLink fieldCode="AR" term="%22Salvas%2C+Camille%22">Salvas, Camille</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Paré%2C+Jacinthe%22">Paré, Jacinthe</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brambati%2C+Simona+Maria%22">Brambati, Simona Maria</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Osa+García%2C+Alberto%22">Osa García, Alberto</searchLink><relatesTo>1,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Brisebois%2C+Amélie%22">Brisebois, Amélie</searchLink><relatesTo>1,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Marcotte%2C+Karine%22">Marcotte, Karine</searchLink><relatesTo>1,4</relatesTo><i> karine.marcotte@umontreal.ca</i>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Speech-Language+Pathology%22">American Journal of Speech-Language Pathology</searchLink>. Jul2025, Vol. 34 Issue 4, p2212-2227. 16p.
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  Data: Objective: Most studies documenting the longitudinal recovery of auditory comprehension in poststroke aphasia begin in the subacute phase. The present study aimed to address this gap by exploring the longitudinal changes in auditory comprehension from the acute to the chronic phase and their neural correlates. Method: Twenty-one Laurentian French persons with aphasia (PWA) following a first left middle cerebral artery stroke underwent three language assessments (acute: 0-72 hr, subacute: 7-14 days, chronic: 6-12 months postonset). Auditory comprehension was assessed at each time point using two tasks, sentence-picture matching and sequential commands. From the sentence-picture matching task, four measures were extracted (single-word, subject-verb, canonical subject-verb-object, and noncanonical subject-verb-object comprehension), while one measure was derived from the sequential commands task, totaling five measures. Lesion-symptom mapping (LSM) was used to identify the brain regions associated with comprehension impairments. Results: All five auditory comprehension measures showed significant positive changes between acute and chronic phases. Persistent comprehension impairments with canonical sentences and sequential commands were more likely to occur in the chronic phase. LSM analyses revealed that comprehension of non-canonical sentences was associated with lesions in the supramarginal gyrus and extended to the superior temporal gyrus (STG) and middle temporal gyrus (MTG). Similarly, the comprehension of sequential commands was associated with lesions in the MTG, extending to the STG and insula. Conclusion: The current findings suggest that PWA with more severe impairments in the acute phase reach a similar performance in the chronic phase than people with milder aphasia and suggest a critical role for the left MTG in the recovery of auditory comprehension, especially with complex stimuli. Supplemental Material: https://doi.org/10.23641/asha.29202788 [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.)
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        Value: 10.1044/2025_AJSLP-24-00494
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        Text: English
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      – SubjectFull: Comparative grammar
        Type: general
      – SubjectFull: Data analysis
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      – SubjectFull: Aphasia
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              Text: Jul2025
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