Clinical Neuropsychologist最新文献

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Associations of cognitive intraindividual variability with Alzheimer's disease risk: A systematic review. 认知个体变异与阿尔茨海默病风险的关联:一项系统综述。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2025-08-22 DOI: 10.1080/13854046.2025.2547931
Fini Chang, Fareshte Erani, Daniel Landaverde, Caitlin M Terao, Alexis Spence, Alyson Zabala, Thiri H Aung, Jessica Wilde, Kelsey R Thomas, Katherine J Bangen
{"title":"Associations of cognitive intraindividual variability with Alzheimer's disease risk: A systematic review.","authors":"Fini Chang, Fareshte Erani, Daniel Landaverde, Caitlin M Terao, Alexis Spence, Alyson Zabala, Thiri H Aung, Jessica Wilde, Kelsey R Thomas, Katherine J Bangen","doi":"10.1080/13854046.2025.2547931","DOIUrl":"10.1080/13854046.2025.2547931","url":null,"abstract":"<p><p><b>Objective:</b> Cognitive intraindividual variability (IIV) refers to an individual's variability in performance across cognitive measures and includes inconsistency and dispersion. While IIV has been studied in the context of cognitive aging, its application to Alzheimer's disease (AD) is more recent. This review synthesizes current research on IIV in AD risk, evaluating the role of IIV in distinguishing between cognitive stages and exploring associations with biomarkers to elucidate underlying mechanisms. <b>Method:</b> A systematic search strategy was employed across three electronic databases (PubMed, PsycINFO, and Web of Science) adhering to PRISMA guidelines. Forty-four studies met inclusion criteria and were included in the review. <b>Results:</b> Of the 44 reviewed articles, 19 examined inconsistency, 23 examined dispersion, and 2 studies examined both. Inconsistency-based studies broadly showed that greater IIV was associated with increased severity of cognitive impairment, particularly in mild cognitive impairment (MCI) and AD dementia. Findings of dispersion-based studies were mixed but largely revealed that higher IIV was associated with MCI and predicted incident dementia. Both IIV metrics suggested relationships between IIV and AD biomarkers (e.g. amyloidosis). <b>Conclusions:</b> Despite some variability in findings across studies, measures of inconsistency and dispersion are associated with cognitive impairment, cognitive decline, and AD biomarkers, even after adjusting for mean cognitive performance. The results expand upon prior studies, with more restrictive inclusion criteria, by including studies examining broad AD risk. There remains a lack of consensus on IIV assessment methods, complicating direct comparisons, but IIV measures have shown considerable potential for identifying individuals at risk of dementia.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"1890-1925"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12871883/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144979440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cognitive dispersion is associated with white matter hyperintensities in amyloid positive older adults. 在淀粉样蛋白阳性的老年人中,认知弥散与白质高信号有关。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2025-10-25 DOI: 10.1080/13854046.2025.2570301
Daliah Ross, Fini Chang, Lauren Edwards, Kelsey R Thomas, Katherine J Bangen
{"title":"Cognitive dispersion is associated with white matter hyperintensities in amyloid positive older adults.","authors":"Daliah Ross, Fini Chang, Lauren Edwards, Kelsey R Thomas, Katherine J Bangen","doi":"10.1080/13854046.2025.2570301","DOIUrl":"10.1080/13854046.2025.2570301","url":null,"abstract":"<p><p><b>Objective:</b> White matter hyperintensities (WMH), imaging markers of small vessel cerebrovascular disease, are associated with risk of dementia, including Alzheimer's disease (AD). Cognitive intraindividual variability (IIV) has emerged as a sensitive measure of future decline. We examined associations between IIV-dispersion, beta-amyloid (Aß) positivity, and WMH in older adults. <b>Method:</b> We included 819 participants (mean age = 72.01) without dementia from the Alzheimer's Disease Neuroimaging Initiative. IIV-dispersion was calculated as the intraindividual standard deviation across 6 neuropsychological scores. WMH volume was quantified on T2-weighted fluid attenuated inversion recovery images. Regression models examined interactions between IIV-dispersion and Aß status on WMH, adjusting for age, sex, and education. <b>Results:</b> Amyloid status moderated associations between IIV-dispersion and WMH, such that higher IIV-dispersion was associated with greater WMH in Aß+ individuals whether WMH was examined as a continuous (<i>B</i> = 0.30, <i>ß</i> = 0.13, <i>p</i> = .006) or a dichotomous variable based on quartiles (odds ratio [OR] = 2.41, <i>p</i> < .001). Sensitivity analyses to adjust for the effects of individual mean cognition in the models modified findings such that greater IIV-dispersion was again associated with greater WMH in Aß+ individuals when WMH was examined dichotomously (OR = 2.13, <i>p</i> = .018) but the effect was attenuated for continuous WMH. <b>Conclusions:</b> Greater IIV-dispersion was associated with greater WMH among Aß+ individuals. IIV-dispersion may be an early marker of cerebrovascular changes in AD although future research is needed to further establish its incremental utility.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"2103-2120"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12591377/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145369178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cognitive intra-individual variability as an emerging measure of neuropsychological inference: A narrative review of its history, methodology, empirical support, future directions, and recommendations for best practices. 认知个体内变异性作为神经心理学推断的一种新兴测量方法:对其历史、方法、经验支持、未来方向和最佳实践建议的叙述性回顾。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2025-10-21 DOI: 10.1080/13854046.2025.2574463
Victor A Del Bene, Stephen L Aita, Luciana M Fonseca, Nicholas C Borgogna, Alison S Buchholz, Steven Paul Woods, David J Schretlen, Andrew Kiselica, Troy A Webber, Maureen Schmitter-Edgecombe, Libby A DesRuisseaux, Victoria C Merritt, Nicholas S Thaler, Katherine J Bangen, David E Vance, Pascal Deboeck, Miguel Arce Rentería, Benjamin D Hill
{"title":"Cognitive intra-individual variability as an emerging measure of neuropsychological inference: A narrative review of its history, methodology, empirical support, future directions, and recommendations for best practices.","authors":"Victor A Del Bene, Stephen L Aita, Luciana M Fonseca, Nicholas C Borgogna, Alison S Buchholz, Steven Paul Woods, David J Schretlen, Andrew Kiselica, Troy A Webber, Maureen Schmitter-Edgecombe, Libby A DesRuisseaux, Victoria C Merritt, Nicholas S Thaler, Katherine J Bangen, David E Vance, Pascal Deboeck, Miguel Arce Rentería, Benjamin D Hill","doi":"10.1080/13854046.2025.2574463","DOIUrl":"10.1080/13854046.2025.2574463","url":null,"abstract":"<p><p><b>Objective:</b> Cognitive intra-individual variability (IIV) is a commonly used research method to estimate how dispersed or inconsistent an examinee's test scores are across measures that comprise a test battery or trial-by-trial responses on a single task. Elevated IIV has been hypothesized to reflect a failure of executive control due to alterations in brain activity or central nervous system integrity. Measures of IIV have a rich history. Growing empirical evidence supports their construct validity and potential for research and clinical applications. However, guidelines for calculating, interpreting, and implementing IIV measures in clinical practice are lacking. Here, we outline the history of IIV and its use in clinical research, summarize metrics for its calculation, review psychometric limitations, and explore future avenues of investigation, with a specific focus on dispersion-based (i.e., variability across tasks) IIV. <b>Methods:</b> A narrative review and commentary on the literature. <b>Conclusions:</b> IIV reliably differentiates clinical populations from healthy groups and predicts disease progression, everyday functioning, and mortality. Questions pertaining to the optimal methodology for IIV, its cognitive architecture, and its incremental validity remain unanswered. The evidence suggests that IIV has the potential to be used as a method of neuropsychological inference in traditional neuropsychological assessment and with ecological momentary assessments. We conclude this review with recommendations for best practices for employing IIV measures in research.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"1786-1819"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145350167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The utility of global versus domain-specific neuropsychological test score dispersion as markers of cognitive impairment. 整体与领域特异性神经心理测试分数分散作为认知障碍标记的效用。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2025-11-12 DOI: 10.1080/13854046.2025.2577149
Hudaisa Fatima, Jeff Schaffert, Anne R Carlew, Vishal J Thakkar, Laura Lacritz, Heidi Rossetti, C Munro Cullum
{"title":"The utility of global versus domain-specific neuropsychological test score dispersion as markers of cognitive impairment.","authors":"Hudaisa Fatima, Jeff Schaffert, Anne R Carlew, Vishal J Thakkar, Laura Lacritz, Heidi Rossetti, C Munro Cullum","doi":"10.1080/13854046.2025.2577149","DOIUrl":"10.1080/13854046.2025.2577149","url":null,"abstract":"<p><strong>Objective: </strong>Cognitive dispersion (CD) or neuropsychological test score variability has been associated with more rapid cognitive decline, and the development of mild cognitive impairment (MCI) and Alzheimer's disease (AD). The predictive utility of global (cross-domain) versus domain-specific dispersion remains understudied. We examined whether baseline global versus domain-specific CD better predicted conversion to MCI or dementia over time.</p><p><strong>Methods: </strong>1,595 participants (Mage = 71.41, SD = 7.73) from the National Alzheimer's Coordinating Center (NACC) dataset were followed for ≥4 visits. Baseline CD was calculated using standardized neuropsychological test scores, with global dispersion defined as the intraindividual standard deviation (ISD) across 10 NACC scores. Domain-specific dispersion was calculated by constructing composites with ISD across tests within three domains (Memory, Language, and Executive functioning/attention/processing speed [EFAS]). Multinomial logistic regression model fit statistics were compared across four dispersion models (global, EFAS, language, memory) in predicting progression to MCI and dementia in (1) the full non-dementia sample and (2) those cognitively normal at baseline only, controlling for demographics, APOE4 status, and MMSE. Model fit was evaluated using LRT and AIC. Follow-up hierarchical regressions assessed the incremental value of the most successful dispersion metric beyond mean EFAS and memory composite scores.</p><p><strong>Results: </strong>In the full sample, 25% were considered to have MCI at follow-up, and 20% developed dementia, whereas among those considered cognitively normal at baseline (<i>n</i> = 1166), 17.6% progressed to MCI, and 11% progressed to dementia in their follow-up. In the overall sample, global dispersion was the only significant predictor of dementia diagnosis (AIC = 2504.27, <i>p</i> < .001) with moderate classification accuracy: 62.6%. Adding global dispersion to a model with covariates + mean EFAS and memory composite performances did not improve prediction (Δχ<sup>2</sup> = 1.803, <i>p</i> = .179). Among cognitively normal at baseline, only EFAS dispersion predicted dementia conversion, and classification accuracy remained moderate, though it was increased (71.7%). Adding EFAS dispersion to a model with covariates and mean composite performance also did not improve prediction (Δχ<sup>2</sup> = .614, <i>p</i> = .433). None of the dispersion metrics predicted conversion to MCI.</p><p><strong>Conclusions: </strong>Dispersion (global in a non-dementia sample or domain-specific [EFAS] among cognitively asymptomatic individuals) may show limited predictive value for dementia conversion, but it does not exceed traditional mean-based cognitive performance, highlighting its complementary, rather than superior, role in diagnostic prediction.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"2058-2082"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145508174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Banking on variability: A conceptual replication of the association between cognitive dispersion and financial management. 基于可变性的银行:认知分散与财务管理之间关联的概念复制。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2025-06-23 DOI: 10.1080/13854046.2025.2522249
Romeo Penheiro, Andrew M Kiselica, Troy A Webber, Jennifer L Thompson Kamar, Steven Paul Woods
{"title":"Banking on variability: A conceptual replication of the association between cognitive dispersion and financial management.","authors":"Romeo Penheiro, Andrew M Kiselica, Troy A Webber, Jennifer L Thompson Kamar, Steven Paul Woods","doi":"10.1080/13854046.2025.2522249","DOIUrl":"10.1080/13854046.2025.2522249","url":null,"abstract":"<p><p><b>Objective:</b> Cognitive intraindividual variability (IIV) reflects fluctuations in cognitive test performance, which may be associated with poorer everyday functioning. This study adopted a retrospective conceptual replication approach to determine whether higher IIV dispersion is associated with poorer financial management skills. <b>Method:</b> Study 1 participants were 112 adults with (<i>n</i> = 76) and without (<i>n</i> = 36) HIV who completed an in-person assessment that included the Cogstate battery, the Web-based Evaluation of Banking Skills (WEBS), and the UCSD Performance-Based Skills Assessment Brief Version (UPSA-B). Study 2 participants were 120 younger (<i>n</i> = 60) and older (<i>n</i> = 60) adults who completed a brief clinical neuropsychological battery, the Telephone-based Daily Instrumental Activities of Living (T-DIAL), and the money management subscale of the Independent Living Scale (ILS) <i>via</i> telephone. IIV dispersion was derived from the normed <i>T</i>-scores of the cognitive tests using the coefficient of variance (i.e., intra-individual standard deviation divided by the intra-individual mean). <b>Results:</b> At the univariate level, higher IIV dispersion was significantly associated with lower scores on all financial management measures at broadly medium effect sizes (<i>p</i>s < .05), which did not differ meaningfully across studies or measures (<i>p</i>s > .05). Multiple regression analyses showed that higher IIV dispersion was independently associated with lower total scores on WEBS, UPSA-B Financial Skills, and ILS Money Management (<i>ps</i> < .05), but not T-DIAL (<i>p</i> = .184). <b>Conclusions:</b> Findings across two samples with varying methodologies support the hypothesis that greater IIV in cognitive performance may interfere with the ability to manage finances in daily life, but questions remain regarding the incremental value of IIV dispersion relative to global cognition.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"2224-2243"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12268989/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144477965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dispersion on Spanish-language cognitive testing: Sociodemographic and sociocultural group comparisons of intraindividual variability. 西班牙语认知测试的分散性:社会人口统计学和社会文化群体对个体变异的比较。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2026-03-17 DOI: 10.1080/13854046.2026.2643454
Justin E Karr, Alexandra E Jacob, Sheliza Ali
{"title":"Dispersion on Spanish-language cognitive testing: Sociodemographic and sociocultural group comparisons of intraindividual variability.","authors":"Justin E Karr, Alexandra E Jacob, Sheliza Ali","doi":"10.1080/13854046.2026.2643454","DOIUrl":"10.1080/13854046.2026.2643454","url":null,"abstract":"<p><p><b>Objective:</b> This study assessed whether sociodemographic/sociocultural variables were related to dispersion (i.e. intraindividual variability [IIV]) on Spanish-language cognitive testing. <b>Method:</b> Adults residing in the USA completed the Spanish-language NIH Toolbox Cognition Battery (<i>n</i> = 250; <i>M</i> = 38.8 ± 13.7 years-old; 72.0% women; 100% Hispanic), with dispersion calculated using the intraindividual coefficient of variation (ICV) and intraindividual standard deviation (ISD) for crystallized tests, fluid tests, and the total battery using age- and demographic-adjusted scores. Dispersion was compared based on age, gender, education (years), birthplace, education (country), bilingualism, income, and crystallized composite. <b>Results:</b> Fluid test dispersion did not differ based on sociodemographic/sociocultural variables. For the crystallized ICV, participants educated domestically had higher dispersion of age- and demographic-adjusted scores; and participants born domestically and with lower crystalized composites had higher dispersion of demographic-adjusted scores. There were no group differences for the crystallized ISD. For the total ICV and ISD, men had higher dispersion of age-adjusted scores, but not demographic-adjusted scores; and participants born domestically and with lower crystallized composites had higher dispersion of age- and demographic-adjusted scores. For the total ISD, but not the ICV, age-adjusted score dispersion was higher for participants educated domestically and with greater income; and demographic-adjusted score dispersion was higher for participants with greater income. Demographic-adjusted scores showed higher dispersion than age-adjusted scores, with large differences based on score calculation. <b>Conclusions:</b> Some sociodemographic/sociocultural variables were related to dispersion, corresponding with mostly small effect sizes. Demographic adjustments to test scores appeared to substantially increase within-person variability on cognitive testing, which may artificially increase dispersion estimates.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"2040-2057"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147500832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intra-individual variability in non-motor neurodegenerative disorders: A scoping review of current methodology and exploration of differential sensitivity along the spectrum of neurocognitive decline. 非运动神经退行性疾病的个体内变异性:当前方法的范围回顾和沿神经认知衰退频谱差异敏感性的探索。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2025-11-24 DOI: 10.1080/13854046.2025.2589273
Libby A DesRuisseaux, Yana Suchy
{"title":"Intra-individual variability in non-motor neurodegenerative disorders: A scoping review of current methodology and exploration of differential sensitivity along the spectrum of neurocognitive decline.","authors":"Libby A DesRuisseaux, Yana Suchy","doi":"10.1080/13854046.2025.2589273","DOIUrl":"10.1080/13854046.2025.2589273","url":null,"abstract":"<p><strong>Objective: </strong>Intra-individual variability (IIV) is an emerging marker of cognitive weakness and incipient decline. However, much of the IIV literature does not distinguish between the two IIV subtypes, inconsistency and dispersion, which may be distinct constructs that are differentially sensitive to neurocognitive decline. Little investigation comparing these subtypes has occurred, and the existing literature utilizes a range of methodological approaches, which may obfuscate patterns across studies. The present scoping review focuses on literature investigating inconsistency and dispersion in preclinical/subjective cognitive decline (P/SCD), mild cognitive impairment (MCI), and dementia to (1) characterize current methodological approaches and (2) explore whether inconsistency and dispersion are predictive of diagnostic conversion and can discriminate between diagnostic groups along the neurodegenerative spectrum.</p><p><strong>Method: </strong>A scoping review was conducted using PsycInfo and PubMed to identify empirical studies published in peer-reviewed journals that examined differences between diagnostic groups or longitudinal diagnostic conversion using inconsistency or dispersion.</p><p><strong>Results: </strong>Fifty-seven studies were identified (34 inconsistency, 25 dispersion, with two studies including both subtypes). A wide range of methodological approaches was observed. Group differences in both inconsistency and dispersion were identified along the neurodegenerative spectrum. Inconsistency had most studies with group differences at earlier stages of decline, whereas the evidence for dispersion is relatively equally spread across groups.</p><p><strong>Conclusions: </strong>Evidence suggests that both forms of IIV yield differences between cognitive groups, but there are substantial differences in study methodologies that may affect results. Several gaps in the literature must be the focus of future research before these patterns can be confirmed.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"1848-1889"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145589677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ecological momentary assessment of cognitive functioning among older adults: The relationship between self-reported and test-based cognitive functioning. 老年人认知功能的生态瞬时评估:自我报告和基于测试的认知功能之间的关系。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-10-01 Epub Date: 2026-05-25 DOI: 10.1080/13854046.2026.2668071
Fien De Block, Tiia Kekäläinen, Benedicte Deforche, Geert Crombez, Delfien Van Dyck, Louise Poppe
{"title":"Ecological momentary assessment of cognitive functioning among older adults: The relationship between self-reported and test-based cognitive functioning.","authors":"Fien De Block, Tiia Kekäläinen, Benedicte Deforche, Geert Crombez, Delfien Van Dyck, Louise Poppe","doi":"10.1080/13854046.2026.2668071","DOIUrl":"10.1080/13854046.2026.2668071","url":null,"abstract":"<p><p><b>Objective:</b> The use of ecological momentary assessment (EMA) to measure within-person fluctuations in cognitive performance has increased in recent years. However, many of the measures employed lack strong methodological foundations. This study evaluated the within-person reliability of test-based and self-reported momentary cognitive assessments and examined associations between test-based and self-reported momentary cognitive functioning, among older adults. <b>Method:</b> Fifty-four participants (aged 65+) completed a 10-day testing period, during which they completed three assessments daily, measuring self-reported (three items) and test-based (1-back test and spatial dot memory test) cognitive functioning on a smartphone. Within-person reliability was evaluated by examining measurement variability within and across assessments. Associations between self-reported and test-based momentary cognitive functioning were analyzed using general(ized) linear mixed models. <b>Results:</b> Among the momentary measures, the self-report items, 1-back test response time, and spatial dot memory test response time demonstrated adequate within-person reliability, while spatial dot memory test accuracy exhibited low reliability. Self-reported momentary cognitive functioning was only significantly associated with the spatial dot memory test span. <b>Conclusions:</b> Establishing within-person reliability is crucial when selecting cognitive assessments in EMA research. Furthermore, momentary measures of test-based and self-reported cognitive functioning were not consistently associated and should not be used interchangeably. Beyond the empirical findings, this study highlights key practical lessons for cognitive EMA research, including the need to consider practice effects, task difficulty, the number of trials, and the outcomes that are used.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"2192-2223"},"PeriodicalIF":2.6,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148018626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Posterior cortical atrophy: A seven-year single case study of neurocognition and adaptation. 后皮质萎缩:一项为期7年的神经认知和适应个案研究。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-09-26 DOI: 10.1080/13854046.2026.2738667
Josée Rivest, David F Tang-Wai
{"title":"Posterior cortical atrophy: A seven-year single case study of neurocognition and adaptation.","authors":"Josée Rivest, David F Tang-Wai","doi":"10.1080/13854046.2026.2738667","DOIUrl":"https://doi.org/10.1080/13854046.2026.2738667","url":null,"abstract":"<p><p><b>Objective</b>: This paper describes the progression of the neurocognitive abilities and patient-centered adaptation strategies involved in different stages of Posterior Cortical Atrophy (PCA). <b>Methods</b>: The neurocognitive profile, functionality and adaptation strategies of a man (DG) who suffered from PCA are documented over 7 years. <b>Results</b>: DG experienced early and fast progressing visual attention and recognition difficulties (starting from alexia and evolving to prosopagnosia and object agnosia). He later developed visuo-spatial impairments and by the end of his illness, could no longer expressed himself verbally. Remarkably, his verbal comprehension, recognition and practical reasoning remained functional throughout most of his illness. DG wanted to remain intellectually and physically active over the course of his illness. Accordingly, his life activities were adapted based on his progressive decline while maximizing his functionality. In the early and middle stage of his illness, he acquired knowledge by listening to information (e.g., audio books) and went swimming. In the last stage, he engaged in speech therapy as oral communication became a priority, and in physiotherapy to maintain good posture and balance. Remarkably, DG always remained motivated to engage into meaningful activities. <b>Conclusions</b>: DG's case confirms that PCA has a progressive cognitive profile distinct from AD. It exemplifies PCA patients' engagement and illustrates the needs for adapting support offered though PCA stages. It is an important addition the knowledge about the longitudinal cognitive and behavioral manifestations in PCA and the possible adaptation strategies over its progressive stages.</p>","PeriodicalId":55250,"journal":{"name":"Clinical Neuropsychologist","volume":" ","pages":"1-19"},"PeriodicalIF":2.6,"publicationDate":"2026-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149066143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Good intentions but bad outcome: Critique of the Minnesota Neuropsychology Conference proposed guidelines. 良好的意图,但坏的结果:批评明尼苏达神经心理学会议提出的指导方针。
IF 2.6 3区 心理学
Clinical Neuropsychologist Pub Date : 2026-09-25 DOI: 10.1080/13854046.2026.2738657
Laurence M Binder, Melissa A Friedman, William Milberg, Nancy Hebben
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