Nonlinear Z‐score modeling for improved detection of cognitive abnormality

Nonlinear Z‐score modeling for improved detection of cognitive abnormality

Abstract Introduction Conventional Z‐scores are generated by subtracting the mean and dividing by the standard deviation. More recent methods linearly correct for age, sex, and education, so that these “adjusted” Z‐scores better represent whether an individual's cognitive performance is abnorma...

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Main Authors: John Kornak, Julie Fields, Walter Kremers, Sara Farmer, Hilary W. Heuer, Leah Forsberg, Danielle Brushaber, Amy Rindels, Hiroko Dodge, Sandra Weintraub, Lilah Besser, Brian Appleby, Yvette Bordelon, Jessica Bove, Patrick Brannelly, Christina Caso, Giovanni Coppola, Reilly Dever, Christina Dheel, Bradford Dickerson, Susan Dickinson, Sophia Dominguez, Kimiko Domoto‐Reilly, Kelley Faber, Jessica Ferrall, Ann Fishman, Jamie Fong, Tatiana Foroud, Ralitza Gavrilova, Deb Gearhart, Behnaz Ghazanfari, Nupur Ghoshal, Jill Goldman, Jonathan Graff‐Radford, Neill Graff‐Radford, Ian M. Grant, Murray Grossman, Dana Haley, John Hsiao, Robin Hsiung, Edward D. Huey, David Irwin, David Jones, Lynne Jones, Kejal Kantarci, Anna Karydas, Daniel Kaufer, Diana Kerwin, David Knopman, Ruth Kraft, Joel Kramer, Walter Kukull, Maria Lapid, Irene Litvan, Peter Ljubenkov, Diane Lucente, Codrin Lungu, Ian Mackenzie, Miranda Maldonado, Masood Manoochehri, Scott McGinnis, Emily McKinley, Mario Mendez, Bruce Miller, Namita Multani, Chiadi Onyike, Jaya Padmanabhan, Alexander Pantelyat, Rodney Pearlman, Len Petrucelli, Madeline Potter, Rosa Rademakers, Eliana Marisa Ramos, Katherine Rankin, Katya Rascovsky, Erik D. Roberson, Emily Rogalski‐Miller, Pheth Sengdy, Les Shaw, Adam M. Staffaroni, Margaret Sutherland, Jeremy Syrjanen, Carmela Tartaglia, Nadine Tatton, Joanne Taylor, Arthur Toga, John Trojanowski, Ping Wang, Bonnie Wong, Zbigniew Wszolek, Brad Boeve, Adam Boxer, Howard Rosen, ARTFL/LEFFTDS Consortium
Format: Article
Language:English
Published: Wiley 2019-12-01
Series:Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring
Subjects:
Generalized additive models
Heterogenous variance modeling
Neuropsychological testing scores
Nonlinear Z‐score correction
Shape constrained additive models
Online Access:https://doi.org/10.1016/j.dadm.2019.08.003

Internet

https://doi.org/10.1016/j.dadm.2019.08.003

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