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Making the Right Connections: Maximizing Lexical Generalization in Lexical Impairments in Primary Progressive Aphasia and Alzheimer's Disease.

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Title: Making the Right Connections: Maximizing Lexical Generalization in Lexical Impairments in Primary Progressive Aphasia and Alzheimer's Disease.
Authors: Beales, Ashleigh1 ashleigh.beales@postgrad.curtin.edu.au, Whitworth, Anne1, Cartwright, Jade1, Panegyres, Peter K.2, Kane, Robert T.3
Source: American Journal of Speech-Language Pathology. Mar2021, Vol. 30, p697-712. 16p.
Subject Terms: *Memory, *Speech therapy, *Phonological awareness, *Cognition, *Comparative grammar, *Family roles, *Pre-tests & post-tests, *Attention, Treatment of language disorders, Executive function, Clinical trials, Rehabilitation of Alzheimer's patients, Spouses, Treatment effectiveness, Neuropsychological tests, Rehabilitation of aphasic persons, Research funding, Descriptive statistics, Prompts (Psychology)
Geographic Terms: Western Australia
Abstract: Purpose: Positive intervention effects following lexical retrieval interventions are increasingly reported with people with progressive language impairments; however, generalization of therapy gains are less frequently evident and less well understood. This study sought to explore the impact of specific therapy ingredients on generalization outcomes. Method: Twelve participants with progressive lexical retrieval deficits (four each with semantic variant primary progressive aphasia, logopenic variant primary progressive aphasia, and Alzheimer's disease, amnestic presentation) and their family members participated in a 6-week intervention that aimed to increase access to different word classes (nouns, verbs, and adjectives) through a strategic self-cueing approach. Generalization was actively facilitated through strategy practice in connected speech. Repeated baselines of picture naming and connected speech were conducted prior to intervention and repeated immediately post and at 6 weeks following intervention. Results: All three diagnostic groups showed significant improvements in naming performance post-intervention for all word classes and for both treated and untreated items, demonstrating consistent treatment effectiveness and generalization at the word level. No changes in the informativeness or efficiency of connected speech were found. Conclusions: Despite heterogeneity across participants, widespread evidence of both treatment effects and generalization to untreated items was found for all diagnostic groups and word classes. The consistent within-level generalization across all groups is explored here in relation to optimization of strategy use through incorporation of cognitive scaffolds, strategic practice at the connected speech level, and the inclusion of family members. The absence of across-level generalization to connected speech is also explored. [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: Making the Right Connections: Maximizing Lexical Generalization in Lexical Impairments in Primary Progressive Aphasia and Alzheimer's Disease.
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  Data: <searchLink fieldCode="AR" term="%22Beales%2C+Ashleigh%22">Beales, Ashleigh</searchLink><relatesTo>1</relatesTo><i> ashleigh.beales@postgrad.curtin.edu.au</i><br /><searchLink fieldCode="AR" term="%22Whitworth%2C+Anne%22">Whitworth, Anne</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Cartwright%2C+Jade%22">Cartwright, Jade</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Panegyres%2C+Peter+K%2E%22">Panegyres, Peter K.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kane%2C+Robert+T%2E%22">Kane, Robert T.</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22American+Journal+of+Speech-Language+Pathology%22">American Journal of Speech-Language Pathology</searchLink>. Mar2021, Vol. 30, p697-712. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Western+Australia%22">Western Australia</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: Positive intervention effects following lexical retrieval interventions are increasingly reported with people with progressive language impairments; however, generalization of therapy gains are less frequently evident and less well understood. This study sought to explore the impact of specific therapy ingredients on generalization outcomes. Method: Twelve participants with progressive lexical retrieval deficits (four each with semantic variant primary progressive aphasia, logopenic variant primary progressive aphasia, and Alzheimer's disease, amnestic presentation) and their family members participated in a 6-week intervention that aimed to increase access to different word classes (nouns, verbs, and adjectives) through a strategic self-cueing approach. Generalization was actively facilitated through strategy practice in connected speech. Repeated baselines of picture naming and connected speech were conducted prior to intervention and repeated immediately post and at 6 weeks following intervention. Results: All three diagnostic groups showed significant improvements in naming performance post-intervention for all word classes and for both treated and untreated items, demonstrating consistent treatment effectiveness and generalization at the word level. No changes in the informativeness or efficiency of connected speech were found. Conclusions: Despite heterogeneity across participants, widespread evidence of both treatment effects and generalization to untreated items was found for all diagnostic groups and word classes. The consistent within-level generalization across all groups is explored here in relation to optimization of strategy use through incorporation of cognitive scaffolds, strategic practice at the connected speech level, and the inclusion of family members. The absence of across-level generalization to connected speech is also explored. [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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      – Type: doi
        Value: 10.1044/2020_AJSLP-20-00019
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      – Code: eng
        Text: English
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      – SubjectFull: Memory
        Type: general
      – SubjectFull: Speech therapy
        Type: general
      – SubjectFull: Phonological awareness
        Type: general
      – SubjectFull: Cognition
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      – SubjectFull: Comparative grammar
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      – SubjectFull: Family roles
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      – SubjectFull: Pre-tests & post-tests
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      – SubjectFull: Executive function
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      – SubjectFull: Clinical trials
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      – SubjectFull: Rehabilitation of Alzheimer's patients
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      – SubjectFull: Spouses
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      – SubjectFull: Western Australia
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    Titles:
      – TitleFull: Making the Right Connections: Maximizing Lexical Generalization in Lexical Impairments in Primary Progressive Aphasia and Alzheimer's Disease.
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              Text: Mar2021
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