New Mandarin Cognitive Tests Improve Dementia Diagnosis For Chinese Older Adults

Asian Americans are nan fastest-growing group of older adults successful nan U.S., but they often look connection and taste barriers erstwhile seeking attraction for dementia-related symptoms. 

As portion of a broader ngo to tackle these challenges, a Rutgers Health-led study involving internationally renowned clinicians and scientists from nan National Institute connected Aging-funded Rutgers-NYU Resource Center for Alzheimer's Disease and Research Center successful Asian and Pacific Americans and Stanford Alzheimer's Disease Research Center has projected a solution for older Americans from China and Taiwan.

The study, published in Alzheimer's & Dementia: The Journal of nan Alzheimer's Association, designed a caller suite of neuropsychological tests suitable for Mandarin-speaking older adults. Researchers developed and validated these tests, accounting for nan non-alphabetical quality of Chinese languages, wave of Chinese characteristic and connection usage successful regular living, and taste vulnerability earlier moving to nan U.S.

The caller Chinese Older Adult STudy (COAST) progressive 208 older adults ages 60 to 90 from passim New Jersey, New York City and nan San Francisco Bay Area pinch varying degrees of bilingualism. Researchers tested nan reproducibility of nan cognitive tests complete six months, equivalency to corresponding English tests and correspondence to known dimensions of representation and thinking.

"Direct translator of English tests for representation and reasoning into different languages often fails to seizure basal linguistic and taste nuances, starring to underdiagnosis, faux pas and mistrust successful nan physician-patient narration – particularly erstwhile some physicians and patients cognize nan instruments are poor," said William Hu, a professor of neurology and main of Cognitive Neurology and Alzheimer's Disease Clinic astatine Rutgers Robert Wood Johnson Medical School and Robert Wood Johnson University Hospital, arsenic good arsenic head of nan Center for Healthy Aging Research astatine Rutgers Institute for Health, Health Care Policy and Aging Research. "This is nan first group of tests validated successful older adults from China, Taiwan, and different overseas Chinese diaspora."

These caller cognitive tests – which see innovative tasks for connection fluency and representation – show precocious stableness erstwhile utilized complete clip (up to six months), correlate powerfully pinch capacity connected English-based tests and show beardown links to caller Alzheimer's illness blood-based biomarkers.

Researchers said adjacent steps see adding nan tests connected tablets aliases different physics environments, specified arsenic virtual reality, to supply instructions to patients and grounds responses without nan request for a clinician fluent successful Mandarin, thereby supporting much meticulous cognitive appraisal successful Mandarin-speaking patients – peculiarly those underserved by existing English-based devices and those affected by taste aliases linguistic differences. Researchers besides are fresh to validate these devices successful Cantonese and different Chinese dialects.

This investigation opens nan doorway for greater engagement successful objective tests by older Chinese Americans who whitethorn not meet nan English proficiency level basal for modular North American neuropsychological testing. Our activity provides a scientifically validated pathway to accurately see and qualify this organization successful modern objective attraction and cutting-edge research."

William Hu, member, RWJBarnabas Health Medical Group

The study was a collaboration betwixt Rutgers researchers led by William Hu, including Michelle Chen and Karthik Kota, and Stanford researchers led by Vankee Lin.