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Psychometrics and diagnostics of the Italian version of the Alternate Verbal Fluency Battery (AVFB) in non-demented Parkinson's disease patients.

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Title: Psychometrics and diagnostics of the Italian version of the Alternate Verbal Fluency Battery (AVFB) in non-demented Parkinson's disease patients.
Authors: Aiello, Edoardo Nicolò (AUTHOR), Mameli, Francesca (AUTHOR), Ruggiero, Fabiana (AUTHOR), Zirone, Eleonora (AUTHOR), Zago, Stefano (AUTHOR), Piacentini, Sylvie (AUTHOR), Poletti, Barbara (AUTHOR), Reitano, Maria Rita (AUTHOR), Santangelo, Gabriella (AUTHOR), Ticozzi, Nicola (AUTHOR), Silani, Vincenzo (AUTHOR), Priori, Alberto (AUTHOR), Ferrucci, Roberta (AUTHOR)
Source: Neurological Sciences. Aug2024, Vol. 45 Issue 8, p3767-3774. 8p.
Subjects: Parkinson's disease, Psychometrics, Montreal Cognitive Assessment, Factor structure, Cognition disorders
Abstract: Background: Verbal fluency (VF) tasks are known as suitable for detecting cognitive impairment (CI) in Parkinson's disease (PD). This study thus aimed to evaluate the psychometrics and diagnostics of the Alternate Verbal Fluency Battery (AVFB) by Costa et al. (2014) in an Italian cohort of non-demented PD patients, as well as to derive disease-specific cut-offs for it. Methods: N = 192 non-demented PD patients were screened with the Montreal Cognitive Assessment (MoCA) and underwent the AVFB—which includes phonemic, semantic and alternate VF tests (PVF; SVF; AVF), as well as a Composite Shifting Index (CSI) reflecting the "cost" of shifting from a single- to a double-cued VF task. Construct validity and diagnostics were assessed for each AVFB measure against the MoCA. Internal reliability and factorial validity were also tested. Results: The MoCA proved to be strongly associated with PVF, SVF and AVF scores, whilst moderately with the CSI. The AVFB was internally consistent and underpinned by a single component; however, an improvement in both internal reliability and fit to its factorial structure was observed when dropping the CSI. Demographically adjusted scores on PVF, SVF and AVF tests were diagnostically sound in detecting MoCA-defined cognitive impairment, whilst this was not true for the CSI. Disease-specific cut-offs for PVF, SVF and AVF tests were derived. Discussion: In conclusion, PVF, SVF and AVF tests are reliable, valid and diagnostically sound instruments to detect cognitive impairment in non-demented PD patients and are therefore recommended for use in clinical practice and research. [ABSTRACT FROM AUTHOR]
Copyright of Neurological Sciences is the property of Springer Nature 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.)
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  Data: Psychometrics and diagnostics of the Italian version of the Alternate Verbal Fluency Battery (AVFB) in non-demented Parkinson's disease patients.
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  Data: <searchLink fieldCode="AR" term="%22Aiello%2C+Edoardo+Nicolò%22">Aiello, Edoardo Nicolò</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mameli%2C+Francesca%22">Mameli, Francesca</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ruggiero%2C+Fabiana%22">Ruggiero, Fabiana</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zirone%2C+Eleonora%22">Zirone, Eleonora</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zago%2C+Stefano%22">Zago, Stefano</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Piacentini%2C+Sylvie%22">Piacentini, Sylvie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Poletti%2C+Barbara%22">Poletti, Barbara</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Reitano%2C+Maria+Rita%22">Reitano, Maria Rita</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Santangelo%2C+Gabriella%22">Santangelo, Gabriella</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ticozzi%2C+Nicola%22">Ticozzi, Nicola</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Silani%2C+Vincenzo%22">Silani, Vincenzo</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Priori%2C+Alberto%22">Priori, Alberto</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ferrucci%2C+Roberta%22">Ferrucci, Roberta</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Neurological+Sciences%22">Neurological Sciences</searchLink>. Aug2024, Vol. 45 Issue 8, p3767-3774. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Parkinson's+disease%22">Parkinson's disease</searchLink><br /><searchLink fieldCode="DE" term="%22Psychometrics%22">Psychometrics</searchLink><br /><searchLink fieldCode="DE" term="%22Montreal+Cognitive+Assessment%22">Montreal Cognitive Assessment</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+structure%22">Factor structure</searchLink><br /><searchLink fieldCode="DE" term="%22Cognition+disorders%22">Cognition disorders</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Background: Verbal fluency (VF) tasks are known as suitable for detecting cognitive impairment (CI) in Parkinson's disease (PD). This study thus aimed to evaluate the psychometrics and diagnostics of the Alternate Verbal Fluency Battery (AVFB) by Costa et al. (2014) in an Italian cohort of non-demented PD patients, as well as to derive disease-specific cut-offs for it. Methods: N = 192 non-demented PD patients were screened with the Montreal Cognitive Assessment (MoCA) and underwent the AVFB—which includes phonemic, semantic and alternate VF tests (PVF; SVF; AVF), as well as a Composite Shifting Index (CSI) reflecting the "cost" of shifting from a single- to a double-cued VF task. Construct validity and diagnostics were assessed for each AVFB measure against the MoCA. Internal reliability and factorial validity were also tested. Results: The MoCA proved to be strongly associated with PVF, SVF and AVF scores, whilst moderately with the CSI. The AVFB was internally consistent and underpinned by a single component; however, an improvement in both internal reliability and fit to its factorial structure was observed when dropping the CSI. Demographically adjusted scores on PVF, SVF and AVF tests were diagnostically sound in detecting MoCA-defined cognitive impairment, whilst this was not true for the CSI. Disease-specific cut-offs for PVF, SVF and AVF tests were derived. Discussion: In conclusion, PVF, SVF and AVF tests are reliable, valid and diagnostically sound instruments to detect cognitive impairment in non-demented PD patients and are therefore recommended for use in clinical practice and research. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Neurological Sciences is the property of Springer Nature 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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      – SubjectFull: Parkinson's disease
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