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Semi-spontaneous language production in Dutch-speaking individuals with primary progressive aphasia.

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Title: Semi-spontaneous language production in Dutch-speaking individuals with primary progressive aphasia.
Authors: Wets, Imke (AUTHOR), Jiskoot, Lize (AUTHOR), van den Berg, Esther (AUTHOR), Janssen, Nikki (AUTHOR), Piai, Vitória (AUTHOR)
Source: Cognitive Neuropsychology. May/Jun2025, Vol. 42 Issue 3/4, p95-105. 11p.
Subjects: Dutch language, Speech, Onomasiology, Aphasic persons, Discourse
Abstract: Primary progressive aphasia (PPA) is a neurodegenerative syndrome characterized by prominent language symptoms. Distinguishing between PPA variants, particularly non-fluent and logopenic variants, remains challenging. Language production is a crucial aspect of diagnosing PPA, with confrontation naming tests being commonly used. However, there are limitations to the use of confrontation naming alone and it is still unclear how confrontation naming relates to (semi-)spontaneous language production. Additionally, most studies have focused on English-speaking patients. This bias hinders a thorough understanding of PPA, as symptoms may vary across languages. In a pre-registered study, 49 Dutch-speaking individuals with PPA and 21 controls completed confrontation naming and a picture description task, from which we derived nine linguistic variables. The percentage of nouns was the only linguistic variable differentiating between the non-fluent and logopenic variants, highlighting the challenge of distinguishing these variants, also in a language other than English. We found a moderate correlation between confrontation naming and the frequency of nouns produced semi-spontaneously for the logopenic variant only. Together, these findings underscore the relevance of semi-spontaneous language production as a complement to confrontation naming for a more complete understanding of production abilities in PPA. [ABSTRACT FROM AUTHOR]
Copyright of Cognitive Neuropsychology is the property of Taylor & Francis Ltd 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: Psychology and Behavioral Sciences Collection
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  Data: Semi-spontaneous language production in Dutch-speaking individuals with primary progressive aphasia.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wets%2C+Imke%22">Wets, Imke</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiskoot%2C+Lize%22">Jiskoot, Lize</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22van+den+Berg%2C+Esther%22">van den Berg, Esther</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Janssen%2C+Nikki%22">Janssen, Nikki</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Piai%2C+Vitória%22">Piai, Vitória</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Cognitive+Neuropsychology%22">Cognitive Neuropsychology</searchLink>. May/Jun2025, Vol. 42 Issue 3/4, p95-105. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Dutch+language%22">Dutch language</searchLink><br /><searchLink fieldCode="DE" term="%22Speech%22">Speech</searchLink><br /><searchLink fieldCode="DE" term="%22Onomasiology%22">Onomasiology</searchLink><br /><searchLink fieldCode="DE" term="%22Aphasic+persons%22">Aphasic persons</searchLink><br /><searchLink fieldCode="DE" term="%22Discourse%22">Discourse</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Primary progressive aphasia (PPA) is a neurodegenerative syndrome characterized by prominent language symptoms. Distinguishing between PPA variants, particularly non-fluent and logopenic variants, remains challenging. Language production is a crucial aspect of diagnosing PPA, with confrontation naming tests being commonly used. However, there are limitations to the use of confrontation naming alone and it is still unclear how confrontation naming relates to (semi-)spontaneous language production. Additionally, most studies have focused on English-speaking patients. This bias hinders a thorough understanding of PPA, as symptoms may vary across languages. In a pre-registered study, 49 Dutch-speaking individuals with PPA and 21 controls completed confrontation naming and a picture description task, from which we derived nine linguistic variables. The percentage of nouns was the only linguistic variable differentiating between the non-fluent and logopenic variants, highlighting the challenge of distinguishing these variants, also in a language other than English. We found a moderate correlation between confrontation naming and the frequency of nouns produced semi-spontaneously for the logopenic variant only. Together, these findings underscore the relevance of semi-spontaneous language production as a complement to confrontation naming for a more complete understanding of production abilities in PPA. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Cognitive Neuropsychology is the property of Taylor & Francis Ltd 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: 10.1080/02643294.2025.2556493
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      – Code: eng
        Text: English
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      – SubjectFull: Dutch language
        Type: general
      – SubjectFull: Speech
        Type: general
      – SubjectFull: Onomasiology
        Type: general
      – SubjectFull: Aphasic persons
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      – SubjectFull: Discourse
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            NameFull: van den Berg, Esther
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              M: 05
              Text: May/Jun2025
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              Y: 2025
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