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Bilingualism in Parkinson's disease: Relationship to cognition and quality of life.

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Title: Bilingualism in Parkinson's disease: Relationship to cognition and quality of life.
Authors: Fishman, Keera N. (AUTHOR), Roberts, Angela C. (AUTHOR), Orange, J. B. (AUTHOR), Sunderland, Kelly M. (AUTHOR), Marras, Connie (AUTHOR), Tan, Brian (AUTHOR), Steeves, Thomas (AUTHOR), Kwan, Donna (AUTHOR), Lang, Anthony E. (AUTHOR), Grimes, David (AUTHOR), Levine, Brian (AUTHOR), Masellis, Mario (AUTHOR), Binns, Malcolm A. (AUTHOR), Jog, Mandar (AUTHOR), Strother, Stephen C. (AUTHOR), Investigators, Ondri (AUTHOR), McLaughlin, Paula M. (AUTHOR), Troyer, Angela K. (AUTHOR)
Source: Journal of Clinical & Experimental Neuropsychology. Mar2021, Vol. 43 Issue 2, p199-212. 14p. 5 Charts.
Subjects: Bilingualism, Language ability, Parkinson's disease, Relationship quality, Dominant language, Executive function, Quality of life
Abstract: Some studies have found that bilingualism promotes cognitive reserve. Objective: We aimed to determine whether bilingualism, defined as regularly (i.e. daily) using at least two languages at least since early adulthood, is associated with cognitive advantages in Parkinson's disease (PD) or whether the possible benefits of bilingualism are lost in the context of PD, possibly affecting quality of life (QoL) and independence. Method: Participants with idiopathic PD (n = 140, mean age = 67.9 [SD = 6.4], 78% men) completed standard neuropsychological tasks evaluating attention/working memory, language, executive function, memory, and visuospatial ability, as well as measures of wellbeing and functional independence. Results: Bilinguals with PD (n = 21) performed worse than monolinguals with PD (n = 92) on attention/working memory and language measures. The between-group differences in attention/working memory were restricted to verbally-based measures. When measured along a continuum, a higher degree of bilingualism was correlated with lower scores on measures of attention/working memory and language. There were no group differences in self- or informant-reported cognitive decline, PD health-related QoL, or functional independence. Conclusions: Bilingualism in PD was not associated with better cognitive performance. Lower scores on language-based measures may reflect a distributed fund of linguistic information across more than one language, lower language proficiency in English, and/or other cultural artifacts. Furthermore, using normative data specific to the dominant language spoken or conducting neuropsychological testing in participants' self-reported most proficient language may enhance additional studies addressing this topic. Future research may also examine the roles of bilingualism over time and across other neurodegenerative diseases with and without EF impairment to illuminate further the impact of bilingualism on cognition and QoL, and shape culturally and linguistically diverse research and clinical care. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Clinical & Experimental 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: Bilingualism in Parkinson's disease: Relationship to cognition and quality of life.
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  Data: <searchLink fieldCode="AR" term="%22Fishman%2C+Keera+N%2E%22">Fishman, Keera N.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Roberts%2C+Angela+C%2E%22">Roberts, Angela C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Orange%2C+J%2E+B%2E%22">Orange, J. B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sunderland%2C+Kelly+M%2E%22">Sunderland, Kelly M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Marras%2C+Connie%22">Marras, Connie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tan%2C+Brian%22">Tan, Brian</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Steeves%2C+Thomas%22">Steeves, Thomas</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kwan%2C+Donna%22">Kwan, Donna</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lang%2C+Anthony+E%2E%22">Lang, Anthony E.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Grimes%2C+David%22">Grimes, David</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Levine%2C+Brian%22">Levine, Brian</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Masellis%2C+Mario%22">Masellis, Mario</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Binns%2C+Malcolm+A%2E%22">Binns, Malcolm A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jog%2C+Mandar%22">Jog, Mandar</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Strother%2C+Stephen+C%2E%22">Strother, Stephen C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Investigators%2C+Ondri%22">Investigators, Ondri</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22McLaughlin%2C+Paula+M%2E%22">McLaughlin, Paula M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Troyer%2C+Angela+K%2E%22">Troyer, Angela K.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Clinical+%26+Experimental+Neuropsychology%22">Journal of Clinical & Experimental Neuropsychology</searchLink>. Mar2021, Vol. 43 Issue 2, p199-212. 14p. 5 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Bilingualism%22">Bilingualism</searchLink><br /><searchLink fieldCode="DE" term="%22Language+ability%22">Language ability</searchLink><br /><searchLink fieldCode="DE" term="%22Parkinson's+disease%22">Parkinson's disease</searchLink><br /><searchLink fieldCode="DE" term="%22Relationship+quality%22">Relationship quality</searchLink><br /><searchLink fieldCode="DE" term="%22Dominant+language%22">Dominant language</searchLink><br /><searchLink fieldCode="DE" term="%22Executive+function%22">Executive function</searchLink><br /><searchLink fieldCode="DE" term="%22Quality+of+life%22">Quality of life</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Some studies have found that bilingualism promotes cognitive reserve. Objective: We aimed to determine whether bilingualism, defined as regularly (i.e. daily) using at least two languages at least since early adulthood, is associated with cognitive advantages in Parkinson's disease (PD) or whether the possible benefits of bilingualism are lost in the context of PD, possibly affecting quality of life (QoL) and independence. Method: Participants with idiopathic PD (n = 140, mean age = 67.9 [SD = 6.4], 78% men) completed standard neuropsychological tasks evaluating attention/working memory, language, executive function, memory, and visuospatial ability, as well as measures of wellbeing and functional independence. Results: Bilinguals with PD (n = 21) performed worse than monolinguals with PD (n = 92) on attention/working memory and language measures. The between-group differences in attention/working memory were restricted to verbally-based measures. When measured along a continuum, a higher degree of bilingualism was correlated with lower scores on measures of attention/working memory and language. There were no group differences in self- or informant-reported cognitive decline, PD health-related QoL, or functional independence. Conclusions: Bilingualism in PD was not associated with better cognitive performance. Lower scores on language-based measures may reflect a distributed fund of linguistic information across more than one language, lower language proficiency in English, and/or other cultural artifacts. Furthermore, using normative data specific to the dominant language spoken or conducting neuropsychological testing in participants' self-reported most proficient language may enhance additional studies addressing this topic. Future research may also examine the roles of bilingualism over time and across other neurodegenerative diseases with and without EF impairment to illuminate further the impact of bilingualism on cognition and QoL, and shape culturally and linguistically diverse research and clinical care. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Clinical & Experimental 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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        Value: 10.1080/13803395.2021.1902946
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        Text: English
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        Type: general
      – SubjectFull: Language ability
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      – SubjectFull: Parkinson's disease
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