Open AccessNormative Data for the Symbol Digit Modalities Test in Older White Australians and Americans, African-Americans, and Hispanic/Latinos
Author(s) -
Joanne Ryan,
Robyn L. Woods,
Carlene Britt,
Anne M. Murray,
Raj C. Shah,
Christopher M. Reid,
Rory Wolfe,
Mark Nelson,
Suzanne G Orchard,
Jessica E. Lockery,
Ruth E Trevaks,
Elsdon Storey
Publication year - 2020
Publication title -
journal of alzheimer's disease reports
Language(s) - English
Resource type - Journals
ISSN - 2542-4823
DOI - 10.3233/adr-200194
Subject(s) - normative , psychology , gerontology , neuropsychology , dementia , test (biology) , medicine , demography , cognition , clinical psychology , disease , psychiatry , paleontology , philosophy , epistemology , pathology , sociology , biology
Processing speed, which can be assessed using the Symbol Digit Modalities Test (SDMT), is central to many brain functions. Processing speed declines with advanced age but substantial impairments are indicative of brain injury or disease.