Reliability and Validity of Smartphone Cognitive Testing for Frontotemporal Lobar Degeneration
Importance: Frontotemporal lobar degeneration (FTLD) is relatively rare, behavioral and motor symptoms increase travel burden, and standard neuropsychological tests are not sensitive to early-stage disease. Remote smartphone-based cognitive assessments could mitigate these barriers to trial recruitment and success, but no such tools are validated for FTLD.
Objective: To evaluate the reliability and validity of smartphone-based cognitive measures for remote FTLD evaluations.
Design, Setting, and Participants: In this cohort study conducted from January 10, 2019, to July 31, 2023, controls and participants with FTLD performed smartphone application (app)-based executive functioning tasks and an associative memory task 3 times over 2 weeks. Observational research participants were enrolled through 18 centers of a North American FTLD research consortium (ALLFTD) and were asked to complete the tests remotely using their own smartphones. Of 1163 eligible individuals (enrolled in parent studies), 360 were enrolled in the present study; 364 refused and 439 were excluded. Participants were divided into discovery (n = 258) and validation (n = 102) cohorts. Among 329 participants with data available on disease stage, 195 were asymptomatic or had preclinical FTLD (59.3%), 66 had prodromal FTLD (20.1%), and 68 had symptomatic FTLD (20.7%) with a range of clinical syndromes.
Exposure: Participants completed standard in-clinic measures and remotely administered ALLFTD mobile app (app) smartphone tests.
Main Outcomes and Measures: Internal consistency, test-retest reliability, association of smartphone tests with criterion standard clinical measures, and diagnostic accuracy.
Results: In the 360 participants (mean [SD] age, 54.0 [15.4] years; 209 [58.1%] women), smartphone tests showed moderate-to-excellent reliability (intraclass correlation coefficients, 0.77-0.95). Validity was supported by association of smartphones tests with disease severity (r range, 0.38-0.59), criterion-standard neuropsychological tests (r range, 0.40-0.66), and brain volume (standardized β range, 0.34-0.50). Smartphone tests accurately differentiated individuals with dementia from controls (area under the curve [AUC], 0.93 [95% CI, 0.90-0.96]) and were more sensitive to early symptoms (AUC, 0.82 [95% CI, 0.76-0.88]) than the Montreal Cognitive Assessment (AUC, 0.68 [95% CI, 0.59-0.78]) (z of comparison, -2.49 [95% CI, -0.19 to -0.02]; P = .01). Reliability and validity findings were highly similar in the discovery and validation cohorts. Preclinical participants who carried pathogenic variants performed significantly worse than noncarrier family controls on 3 app tasks (eg, 2-back β = -0.49 [95% CI, -0.72 to -0.25]; P < .001) but not a composite of traditional neuropsychological measures (β = -0.14 [95% CI, -0.42 to 0.14]; P = .32).
Conclusions and Relevance: The findings of this cohort study suggest that smartphones could offer a feasible, reliable, valid, and scalable solution for remote evaluations of FTLD and may improve early detection. Smartphone assessments should be considered as a complementary approach to traditional in-person trial designs. Future research should validate these results in diverse populations and evaluate the utility of these tests for longitudinal monitoring.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:7 |
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| Enthalten in: |
JAMA network open - 7(2024), 4 vom: 01. Apr., Seite e244266 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Staffaroni, Adam M [VerfasserIn] |
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| Links: |
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| Themen: |
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| Anmerkungen: |
Date Completed 03.04.2024 Date Revised 16.04.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1001/jamanetworkopen.2024.4266 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370476417 |
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| 100 | 1 | |a Staffaroni, Adam M |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Reliability and Validity of Smartphone Cognitive Testing for Frontotemporal Lobar Degeneration |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Revised 16.04.2024 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Importance: Frontotemporal lobar degeneration (FTLD) is relatively rare, behavioral and motor symptoms increase travel burden, and standard neuropsychological tests are not sensitive to early-stage disease. Remote smartphone-based cognitive assessments could mitigate these barriers to trial recruitment and success, but no such tools are validated for FTLD | ||
| 520 | |a Objective: To evaluate the reliability and validity of smartphone-based cognitive measures for remote FTLD evaluations | ||
| 520 | |a Design, Setting, and Participants: In this cohort study conducted from January 10, 2019, to July 31, 2023, controls and participants with FTLD performed smartphone application (app)-based executive functioning tasks and an associative memory task 3 times over 2 weeks. Observational research participants were enrolled through 18 centers of a North American FTLD research consortium (ALLFTD) and were asked to complete the tests remotely using their own smartphones. Of 1163 eligible individuals (enrolled in parent studies), 360 were enrolled in the present study; 364 refused and 439 were excluded. Participants were divided into discovery (n = 258) and validation (n = 102) cohorts. Among 329 participants with data available on disease stage, 195 were asymptomatic or had preclinical FTLD (59.3%), 66 had prodromal FTLD (20.1%), and 68 had symptomatic FTLD (20.7%) with a range of clinical syndromes | ||
| 520 | |a Exposure: Participants completed standard in-clinic measures and remotely administered ALLFTD mobile app (app) smartphone tests | ||
| 520 | |a Main Outcomes and Measures: Internal consistency, test-retest reliability, association of smartphone tests with criterion standard clinical measures, and diagnostic accuracy | ||
| 520 | |a Results: In the 360 participants (mean [SD] age, 54.0 [15.4] years; 209 [58.1%] women), smartphone tests showed moderate-to-excellent reliability (intraclass correlation coefficients, 0.77-0.95). Validity was supported by association of smartphones tests with disease severity (r range, 0.38-0.59), criterion-standard neuropsychological tests (r range, 0.40-0.66), and brain volume (standardized β range, 0.34-0.50). Smartphone tests accurately differentiated individuals with dementia from controls (area under the curve [AUC], 0.93 [95% CI, 0.90-0.96]) and were more sensitive to early symptoms (AUC, 0.82 [95% CI, 0.76-0.88]) than the Montreal Cognitive Assessment (AUC, 0.68 [95% CI, 0.59-0.78]) (z of comparison, -2.49 [95% CI, -0.19 to -0.02]; P = .01). Reliability and validity findings were highly similar in the discovery and validation cohorts. Preclinical participants who carried pathogenic variants performed significantly worse than noncarrier family controls on 3 app tasks (eg, 2-back β = -0.49 [95% CI, -0.72 to -0.25]; P < .001) but not a composite of traditional neuropsychological measures (β = -0.14 [95% CI, -0.42 to 0.14]; P = .32) | ||
| 520 | |a Conclusions and Relevance: The findings of this cohort study suggest that smartphones could offer a feasible, reliable, valid, and scalable solution for remote evaluations of FTLD and may improve early detection. Smartphone assessments should be considered as a complementary approach to traditional in-person trial designs. Future research should validate these results in diverse populations and evaluate the utility of these tests for longitudinal monitoring | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Taylor, Jack C |e verfasserin |4 aut | |
| 700 | 1 | |a Heuer, Hilary W |e verfasserin |4 aut | |
| 700 | 1 | |a Sanderson-Cimino, Mark |e verfasserin |4 aut | |
| 700 | 1 | |a Wise, Amy B |e verfasserin |4 aut | |
| 700 | 1 | |a Dhanam, Sreya |e verfasserin |4 aut | |
| 700 | 1 | |a Cobigo, Yann |e verfasserin |4 aut | |
| 700 | 1 | |a Wolf, Amy |e verfasserin |4 aut | |
| 700 | 1 | |a Manoochehri, Masood |e verfasserin |4 aut | |
| 700 | 1 | |a Forsberg, Leah |e verfasserin |4 aut | |
| 700 | 1 | |a Mester, Carly |e verfasserin |4 aut | |
| 700 | 1 | |a Rankin, Katherine P |e verfasserin |4 aut | |
| 700 | 1 | |a Appleby, Brian S |e verfasserin |4 aut | |
| 700 | 1 | |a Bayram, Ece |e verfasserin |4 aut | |
| 700 | 1 | |a Bozoki, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Clark, David |e verfasserin |4 aut | |
| 700 | 1 | |a Darby, R Ryan |e verfasserin |4 aut | |
| 700 | 1 | |a Domoto-Reilly, Kimiko |e verfasserin |4 aut | |
| 700 | 1 | |a Fields, Julie A |e verfasserin |4 aut | |
| 700 | 1 | |a Galasko, Douglas |e verfasserin |4 aut | |
| 700 | 1 | |a Geschwind, Daniel |e verfasserin |4 aut | |
| 700 | 1 | |a Ghoshal, Nupur |e verfasserin |4 aut | |
| 700 | 1 | |a Graff-Radford, Neill |e verfasserin |4 aut | |
| 700 | 1 | |a Grossman, Murray |e verfasserin |4 aut | |
| 700 | 1 | |a Hsiung, Ging-Yuek |e verfasserin |4 aut | |
| 700 | 1 | |a Huey, Edward D |e verfasserin |4 aut | |
| 700 | 1 | |a Jones, David T |e verfasserin |4 aut | |
| 700 | 1 | |a Lapid, Maria I |e verfasserin |4 aut | |
| 700 | 1 | |a Litvan, Irene |e verfasserin |4 aut | |
| 700 | 1 | |a Masdeu, Joseph C |e verfasserin |4 aut | |
| 700 | 1 | |a Massimo, Lauren |e verfasserin |4 aut | |
| 700 | 1 | |a Mendez, Mario F |e verfasserin |4 aut | |
| 700 | 1 | |a Miyagawa, Toji |e verfasserin |4 aut | |
| 700 | 1 | |a Pascual, Belen |e verfasserin |4 aut | |
| 700 | 1 | |a Pressman, Peter |e verfasserin |4 aut | |
| 700 | 1 | |a Ramanan, Vijay K |e verfasserin |4 aut | |
| 700 | 1 | |a Ramos, Eliana Marisa |e verfasserin |4 aut | |
| 700 | 1 | |a Rascovsky, Katya |e verfasserin |4 aut | |
| 700 | 1 | |a Roberson, Erik D |e verfasserin |4 aut | |
| 700 | 1 | |a Tartaglia, M Carmela |e verfasserin |4 aut | |
| 700 | 1 | |a Wong, Bonnie |e verfasserin |4 aut | |
| 700 | 1 | |a Miller, Bruce L |e verfasserin |4 aut | |
| 700 | 1 | |a Kornak, John |e verfasserin |4 aut | |
| 700 | 1 | |a Kremers, Walter |e verfasserin |4 aut | |
| 700 | 1 | |a Hassenstab, Jason |e verfasserin |4 aut | |
| 700 | 1 | |a Kramer, Joel H |e verfasserin |4 aut | |
| 700 | 1 | |a Boeve, Bradley F |e verfasserin |4 aut | |
| 700 | 1 | |a Rosen, Howard J |e verfasserin |4 aut | |
| 700 | 1 | |a Boxer, Adam L |e verfasserin |4 aut | |
| 700 | 0 | |a ALLFTD Consortium |e verfasserin |4 aut | |
| 700 | 1 | |a Apostolova, Liana |e investigator |4 oth | |
| 700 | 1 | |a Appleby, Brian |e investigator |4 oth | |
| 700 | 1 | |a Barmada, Sami |e investigator |4 oth | |
| 700 | 1 | |a Bayram, Ece |e investigator |4 oth | |
| 700 | 1 | |a Boeve, Bradley |e investigator |4 oth | |
| 700 | 1 | |a Botha, Hugo |e investigator |4 oth | |
| 700 | 1 | |a Boxer, Adam L |e investigator |4 oth | |
| 700 | 1 | |a Bozoki, Andrea |e investigator |4 oth | |
| 700 | 1 | |a Brushaber, Danielle |e investigator |4 oth | |
| 700 | 1 | |a Clark, Annie L |e investigator |4 oth | |
| 700 | 1 | |a Cobigo, Yann |e investigator |4 oth | |
| 700 | 1 | |a Darby, R Ryan |e investigator |4 oth | |
| 700 | 1 | |a Day, Gregg S |e investigator |4 oth | |
| 700 | 1 | |a Dhanam, Sreya |e investigator |4 oth | |
| 700 | 1 | |a Dickerson, Bradford |e investigator |4 oth | |
| 700 | 1 | |a Dickson, Dennis |e investigator |4 oth | |
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| 700 | 1 | |a Elahi, Fanny |e investigator |4 oth | |
| 700 | 1 | |a Faber, Kelley |e investigator |4 oth | |
| 700 | 1 | |a Fagan, Anne |e investigator |4 oth | |
| 700 | 1 | |a Fields, Julie A |e investigator |4 oth | |
| 700 | 1 | |a Fong, Jamie |e investigator |4 oth | |
| 700 | 1 | |a Foroud, Tatiana |e investigator |4 oth | |
| 700 | 1 | |a Forsberg, Leah K |e investigator |4 oth | |
| 700 | 1 | |a Galasko, Douglas R |e investigator |4 oth | |
| 700 | 1 | |a Gavrilova, Ralitza |e investigator |4 oth | |
| 700 | 1 | |a Gendron, Tania |e investigator |4 oth | |
| 700 | 1 | |a Geschwind, Daniel |e investigator |4 oth | |
| 700 | 1 | |a Ghoshal, Nupur |e investigator |4 oth | |
| 700 | 1 | |a Goldman, Jill |e investigator |4 oth | |
| 700 | 1 | |a Graff-Radford, Neill |e investigator |4 oth | |
| 700 | 1 | |a Graff-Radford, Jonathan |e investigator |4 oth | |
| 700 | 1 | |a Grant, Ian M |e investigator |4 oth | |
| 700 | 1 | |a Grossman, Murray |e investigator |4 oth | |
| 700 | 1 | |a Hall, Matthew |e investigator |4 oth | |
| 700 | 1 | |a Hales, Chadwick M |e investigator |4 oth | |
| 700 | 1 | |a Heuer, Hilary W |e investigator |4 oth | |
| 700 | 1 | |a Honig, Lawrence S |e investigator |4 oth | |
| 700 | 1 | |a Hsiung, Ging-Yuek Robin |e investigator |4 oth | |
| 700 | 1 | |a Huang, Eric |e investigator |4 oth | |
| 700 | 1 | |a Huey, Edward D |e investigator |4 oth | |
| 700 | 1 | |a Irwin, David |e investigator |4 oth | |
| 700 | 1 | |a Johnson, Noah |e investigator |4 oth | |
| 700 | 1 | |a Jones, David T |e investigator |4 oth | |
| 700 | 1 | |a Kantarci, Kejal |e investigator |4 oth | |
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| 700 | 1 | |a Kolander, Tyler |e investigator |4 oth | |
| 700 | 1 | |a Kornak, John |e investigator |4 oth | |
| 700 | 1 | |a Kremers, Walter |e investigator |4 oth | |
| 700 | 1 | |a Kwan, Justin |e investigator |4 oth | |
| 700 | 1 | |a Lario Lago, Argentina |e investigator |4 oth | |
| 700 | 1 | |a Lapid, Maria |e investigator |4 oth | |
| 700 | 1 | |a Lavigne, Shannon B |e investigator |4 oth | |
| 700 | 1 | |a Lee, Suzee |e investigator |4 oth | |
| 700 | 1 | |a Léger, Gabriel C |e investigator |4 oth | |
| 700 | 1 | |a Litvan, Irene |e investigator |4 oth | |
| 700 | 1 | |a Ljubenkov, Peter |e investigator |4 oth | |
| 700 | 1 | |a Lucente, Diane |e investigator |4 oth | |
| 700 | 1 | |a Mackenzie, Ian R |e investigator |4 oth | |
| 700 | 1 | |a Manoochehri, Masood |e investigator |4 oth | |
| 700 | 1 | |a Masdeu, Joseph C |e investigator |4 oth | |
| 700 | 1 | |a Massimo, Lauren |e investigator |4 oth | |
| 700 | 1 | |a McGinnis, Scott |e investigator |4 oth | |
| 700 | 1 | |a McMillan, Corey T |e investigator |4 oth | |
| 700 | 1 | |a Mendez, Mario F |e investigator |4 oth | |
| 700 | 1 | |a Mester, Carly |e investigator |4 oth | |
| 700 | 1 | |a Molden, Joie |e investigator |4 oth | |
| 700 | 1 | |a Miyagawa, Toji |e investigator |4 oth | |
| 700 | 1 | |a Naasan, Georges |e investigator |4 oth | |
| 700 | 1 | |a Onyike, Chiadi |e investigator |4 oth | |
| 700 | 1 | |a Pantelyat, Alexander |e investigator |4 oth | |
| 700 | 1 | |a Paolillo, Emily |e investigator |4 oth | |
| 700 | 1 | |a Pascual, Belen |e investigator |4 oth | |
| 700 | 1 | |a Paulson, Henry |e investigator |4 oth | |
| 700 | 1 | |a Petrucelli, Leonard |e investigator |4 oth | |
| 700 | 1 | |a Pressman, Peter |e investigator |4 oth | |
| 700 | 1 | |a Rademakers, Rosa |e investigator |4 oth | |
| 700 | 1 | |a Ramanan, Vijay |e investigator |4 oth | |
| 700 | 1 | |a Ramos, Eliana Marisa |e investigator |4 oth | |
| 700 | 1 | |a Rankin, Katherine P |e investigator |4 oth | |
| 700 | 1 | |a Rao, Meghana |e investigator |4 oth | |
| 700 | 1 | |a Rascovsky, Katya |e investigator |4 oth | |
| 700 | 1 | |a Rhoads, Kristoffer W |e investigator |4 oth | |
| 700 | 1 | |a Rexach, Jessica |e investigator |4 oth | |
| 700 | 1 | |a Ritter, Aaron |e investigator |4 oth | |
| 700 | 1 | |a Roberson, Erik D |e investigator |4 oth | |
| 700 | 1 | |a Rogalski, Emily |e investigator |4 oth | |
| 700 | 1 | |a Rojas, Julio C |e investigator |4 oth | |
| 700 | 1 | |a Rosen, Howard J |e investigator |4 oth | |
| 700 | 1 | |a Savica, Rodolfo |e investigator |4 oth | |
| 700 | 1 | |a Seeley, William |e investigator |4 oth | |
| 700 | 1 | |a Snyder, Allison |e investigator |4 oth | |
| 700 | 1 | |a Staffaroni, Adam M |e investigator |4 oth | |
| 700 | 1 | |a Sullivan, Anne C |e investigator |4 oth | |
| 700 | 1 | |a Syrjanen, Jeremy M |e investigator |4 oth | |
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