Assessing cognitive change in Parkinson's disease: Development of practice effect-corrected reliable change indices
Identifieur interne : 002021 ( Main/Corpus ); précédent : 002020; suivant : 002022Assessing cognitive change in Parkinson's disease: Development of practice effect-corrected reliable change indices
Auteurs : Alexander I. Tröster ; Steven Paul Woods ; Erin E. MorganSource :
- Archives of Clinical Neuropsychology [ 0887-6177 ] ; 2007-08.
Abstract
Serial assessments of cognitive functioning in individuals with Parkinson's disease (PD) are commonly used for the detection of incident dementia and neurobehavioral changes associated with treatments using neuromodulation (e.g., deep brain stimulation) and pharmacological agents (e.g., cholinesterase inhibitors). This study provides test–retest stability, expected practice effects, and practice-corrected reliable change indices for several commonly used neuropsychological tests from 62 older adults with mostly mild PD who underwent repeat evaluations approximately 17 months apart. At the group level, results showed adequate test–retest reliability (Spearman's rho range=0.24–0.86) and generally small practice effects (Cohen's d range=0.00–0.50). Application of reliable change indices using 90% confidence intervals showed the expected number of individuals (generally 10% or fewer) with statistically meaningful improvements (range=0–12%) or declines (range=2–8%) in cognitive performance at retest. Limitations discussed include ceiling effects at test baseline, sample homogeneity, interpretative cautions, and generalizability of study results. These data may be useful to researchers and clinicians interested in determining the statistical significance of changes in cognitive test performance in persons with PD over a 1- to 2-year interval.
Url:
DOI: 10.1016/j.acn.2007.05.004
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Tröster</name><affiliation><mods:affiliation>rtment of Neurology, School of Medicine, University of North Carolina CB #7025, 3114 Bioinformatics Building, Chapel Hill, NC 27599-7025, United States</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: trostera@neurology.unc.edu</mods:affiliation></affiliation></author><author><name sortKey="Woods, Steven Paul" sort="Woods, Steven Paul" uniqKey="Woods S" first="Steven Paul" last="Woods">Steven Paul Woods</name><affiliation><mods:affiliation></mods:affiliation></affiliation></author><author><name sortKey="Morgan, Erin E" sort="Morgan, Erin E" uniqKey="Morgan E" first="Erin E." last="Morgan">Erin E. 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This study provides test–retest stability, expected practice effects, and practice-corrected reliable change indices for several commonly used neuropsychological tests from 62 older adults with mostly mild PD who underwent repeat evaluations approximately 17 months apart. At the group level, results showed adequate test–retest reliability (Spearman's rho range=0.24–0.86) and generally small practice effects (Cohen's d range=0.00–0.50). Application of reliable change indices using 90% confidence intervals showed the expected number of individuals (generally 10% or fewer) with statistically meaningful improvements (range=0–12%) or declines (range=2–8%) in cognitive performance at retest. Limitations discussed include ceiling effects at test baseline, sample homogeneity, interpretative cautions, and generalizability of study results. 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Tel.: <phone>+1 919 966 5549</phone>; fax: <fax>+1 919 966 2922</fax>. E-mail address: <email>trostera@neurology.unc.edu</email></corresp></author-notes><pub-date pub-type="ppub"><month>8</month><year>2007</year></pub-date><volume>22</volume><issue>6</issue><fpage>711</fpage><lpage>718</lpage><history><date date-type="accepted"><day>20</day><month>5</month><year>2007</year></date></history><copyright-statement>© 2007 National Academy of Neuropsychology</copyright-statement><copyright-year>2007</copyright-year><abstract><title>Abstract</title><p>Serial assessments of cognitive functioning in individuals with Parkinson's disease (PD) are commonly used for the detection of incident dementia and neurobehavioral changes associated with treatments using neuromodulation (e.g., deep brain stimulation) and pharmacological agents (e.g., cholinesterase inhibitors). This study provides test–retest stability, expected practice effects, and practice-corrected reliable change indices for several commonly used neuropsychological tests from 62 older adults with mostly mild PD who underwent repeat evaluations approximately 17 months apart. At the group level, results showed adequate test–retest reliability (Spearman's rho range=0.24–0.86) and generally small practice effects (Cohen's <italic>d</italic> range=0.00–0.50). Application of reliable change indices using 90% confidence intervals showed the expected number of individuals (generally 10% or fewer) with statistically meaningful improvements (range=0–12%) or declines (range=2–8%) in cognitive performance at retest. Limitations discussed include ceiling effects at test baseline, sample homogeneity, interpretative cautions, and generalizability of study results. These data may be useful to researchers and clinicians interested in determining the statistical significance of changes in cognitive test performance in persons with PD over a 1- to 2-year interval.</p></abstract><kwd-group><kwd>Parkinson's disease</kwd><kwd>Neuropsychology</kwd><kwd>Reliable change index</kwd><kwd>Memory</kwd><kwd>Language</kwd><kwd>Dementia</kwd></kwd-group></article-meta></front></article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Assessing cognitive change in Parkinson's disease: Development of practice effect-corrected reliable change indices</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Assessing cognitive change in Parkinson's disease: Development of practice effect-corrected reliable change indices</title></titleInfo><name type="personal"><namePart type="given">Alexander I.</namePart><namePart type="family">Tröster</namePart><affiliation>rtment of Neurology, School of Medicine, University of North Carolina CB #7025, 3114 Bioinformatics Building, Chapel Hill, NC 27599-7025, United States</affiliation><affiliation>E-mail: trostera@neurology.unc.edu</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Steven Paul</namePart><namePart type="family">Woods</namePart><affiliation></affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Erin E.</namePart><namePart type="family">Morgan</namePart><affiliation>toral Program in Clinical Psychology, San Diego State University and University of California at San Diego United States</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="research-article"></genre><subject><topic>Articles</topic></subject><originInfo><publisher>Elsevier</publisher><dateIssued encoding="w3cdtf">2007-08</dateIssued><copyrightDate encoding="w3cdtf">2007</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract>Serial assessments of cognitive functioning in individuals with Parkinson's disease (PD) are commonly used for the detection of incident dementia and neurobehavioral changes associated with treatments using neuromodulation (e.g., deep brain stimulation) and pharmacological agents (e.g., cholinesterase inhibitors). This study provides test–retest stability, expected practice effects, and practice-corrected reliable change indices for several commonly used neuropsychological tests from 62 older adults with mostly mild PD who underwent repeat evaluations approximately 17 months apart. At the group level, results showed adequate test–retest reliability (Spearman's rho range=0.24–0.86) and generally small practice effects (Cohen's d range=0.00–0.50). Application of reliable change indices using 90% confidence intervals showed the expected number of individuals (generally 10% or fewer) with statistically meaningful improvements (range=0–12%) or declines (range=2–8%) in cognitive performance at retest. Limitations discussed include ceiling effects at test baseline, sample homogeneity, interpretative cautions, and generalizability of study results. These data may be useful to researchers and clinicians interested in determining the statistical significance of changes in cognitive test performance in persons with PD over a 1- to 2-year interval.</abstract><subject><genre>Keywords</genre><topic>Parkinson's disease</topic><topic>Neuropsychology</topic><topic>Reliable change index</topic><topic>Memory</topic><topic>Language</topic><topic>Dementia</topic></subject><relatedItem type="host"><titleInfo><title>Archives of Clinical Neuropsychology</title></titleInfo><genre type="Journal">journal</genre><identifier type="ISSN">0887-6177</identifier><identifier type="eISSN">1873-5843</identifier><identifier type="PublisherID">acn</identifier><identifier type="PublisherID-hwp">acn</identifier><part><date>2007</date><detail type="volume"><caption>vol.</caption><number>22</number></detail><detail type="issue"><caption>no.</caption><number>6</number></detail><extent unit="pages"><start>711</start><end>718</end></extent></part></relatedItem><identifier type="istex">CD7C433BA3CBDBB8C2D34F7CA6DBDB8A55E1A357</identifier><identifier type="DOI">10.1016/j.acn.2007.05.004</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2007 National Academy of Neuropsychology</accessCondition><recordInfo><recordContentSource>OUP</recordContentSource></recordInfo></mods></metadata><enrichments><istex:catWosTEI uri="https://api.istex.fr/document/CD7C433BA3CBDBB8C2D34F7CA6DBDB8A55E1A357/enrichments/catWos"><teiHeader><profileDesc><textClass><classCode scheme="WOS">PSYCHOLOGY, CLINICAL</classCode><classCode scheme="WOS">PSYCHOLOGY</classCode></textClass></profileDesc></teiHeader></istex:catWosTEI></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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