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Revisiting Western Aphasia Battery-Revised in the Context of Mild Impairment.

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Title: Revisiting Western Aphasia Battery-Revised in the Context of Mild Impairment.
Authors: Senthilkumar, Harrinee1 harrinee1@gmail.com, Kelly, Lindsey1, Neal, Voss1, Diaz-Carr, Isidora1, Colavito, Michael1, Hillis, Argye E.1,2,3, Stockbridge, Melissa D.1,2
Source: American Journal of Speech-Language Pathology. May2026, Vol. 35 Issue 3, p1202-1211. 10p.
Subject Terms: *Predictive tests, *Retrospective studies, *Speech-language pathology, *Discourse analysis, *Longitudinal method, *Research methodology, *Evaluation, Diagnosis of aphasia, Task performance, Receiver operating characteristic curves, Research funding, Scientific observation, Photography, Descriptive statistics, Ischemic stroke, Convalescence, Medical records, Acquisition of data, Data analysis software, Sensitivity & specificity (Statistics), Disease complications
Abstract: Purpose: This study aims to evaluate the diagnostic accuracy, sensitivity, and specificity of the Western Aphasia Battery-Revised Aphasia Quotient (WAB-R AQ) cutoff of 93.7 of 100 in detecting atypical discourse observed on a picture description task and to identify the optimal AQ value for detection of aphasia. Method: A total of 171 English-speaking adults with a diagnosis of acute ischemic stroke completed both the WAB-R and a description of either the Cookie Theft or the Modern Cookie Theft within 2 weeks of symptom onset as part of an ongoing longitudinal observational study of poststroke recovery of language. Picture descriptions were used to measure the quantity of content and the informational efficiency in syllables, which were compared to normative values. Receiver operating characteristic analysis was used to determine the relationship between AQ and aphasic discourse and to determine the optimal AQ for detecting aphasic discourse. Results: The current AQ cutoff score was accurate in detecting aphasic discourse in 75% of cases (sensitivity = 77%; specificity = 64%). Most inaccurate classifications were due to the nearly one in five patients who demonstrated aphasic discourse but were deemed not aphasic by the WAB-R (false negatives). The optimal AQ cutoff was 96.7, calculated by maximizing Cohen's kappa (.38). This cutoff increased classification accuracy from 75% to 83% and reduced false negatives from 19% to 9%. Conclusion: Increasing the WAB-R AQ cutoff to 96.7 is an easily implementable adjustment that improves the detection of aphasia. [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: Revisiting Western Aphasia Battery-Revised in the Context of Mild Impairment.
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  Data: <searchLink fieldCode="AR" term="%22Senthilkumar%2C+Harrinee%22">Senthilkumar, Harrinee</searchLink><relatesTo>1</relatesTo><i> harrinee1@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Kelly%2C+Lindsey%22">Kelly, Lindsey</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Neal%2C+Voss%22">Neal, Voss</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Diaz-Carr%2C+Isidora%22">Diaz-Carr, Isidora</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Colavito%2C+Michael%22">Colavito, Michael</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hillis%2C+Argye+E%2E%22">Hillis, Argye E.</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Stockbridge%2C+Melissa+D%2E%22">Stockbridge, Melissa D.</searchLink><relatesTo>1,2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Speech-Language+Pathology%22">American Journal of Speech-Language Pathology</searchLink>. May2026, Vol. 35 Issue 3, p1202-1211. 10p.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: This study aims to evaluate the diagnostic accuracy, sensitivity, and specificity of the Western Aphasia Battery-Revised Aphasia Quotient (WAB-R AQ) cutoff of 93.7 of 100 in detecting atypical discourse observed on a picture description task and to identify the optimal AQ value for detection of aphasia. Method: A total of 171 English-speaking adults with a diagnosis of acute ischemic stroke completed both the WAB-R and a description of either the Cookie Theft or the Modern Cookie Theft within 2 weeks of symptom onset as part of an ongoing longitudinal observational study of poststroke recovery of language. Picture descriptions were used to measure the quantity of content and the informational efficiency in syllables, which were compared to normative values. Receiver operating characteristic analysis was used to determine the relationship between AQ and aphasic discourse and to determine the optimal AQ for detecting aphasic discourse. Results: The current AQ cutoff score was accurate in detecting aphasic discourse in 75% of cases (sensitivity = 77%; specificity = 64%). Most inaccurate classifications were due to the nearly one in five patients who demonstrated aphasic discourse but were deemed not aphasic by the WAB-R (false negatives). The optimal AQ cutoff was 96.7, calculated by maximizing Cohen's kappa (.38). This cutoff increased classification accuracy from 75% to 83% and reduced false negatives from 19% to 9%. Conclusion: Increasing the WAB-R AQ cutoff to 96.7 is an easily implementable adjustment that improves the detection of aphasia. [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: 10.1044/2026_AJSLP-25-00361
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Predictive tests
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      – SubjectFull: Retrospective studies
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      – SubjectFull: Speech-language pathology
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      – SubjectFull: Discourse analysis
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      – SubjectFull: Research methodology
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      – SubjectFull: Evaluation
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      – SubjectFull: Diagnosis of aphasia
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