A simple writing test shows promise as an early warning sign for cognitive decline in older adults. Researchers in Portugal studied 58 older adults aged 62 to 92 living in care homes, including 38 with already-diagnosed cognitive impairment, asking them to complete writing exercises using an ink pen on a specialized digital tablet that tracked hand movements.
Testing reveals subtle cognitive changes through writing
Basic pen control and copying text showed no significant differences between participants. However, when older adults with cognitive impairment completed writing-from-dictation tasks, their patterns were noticeably slower, more fragmented, and less coordinated. Dr. Ana Rita Matias, the study’s senior author from the University of Évora, explained that “dictation tasks are more sensitive because they require the brain to do multiple things at once: listen, process language, convert sounds into written form and coordinate movement.” As sentences grew more complex, participants with cognitive decline took longer to start writing, paused more frequently, and struggled with stroke organization.
Potential for affordable early detection
Currently, diagnosing cognitive decline often involves expensive brain scans or lengthy psychological testing. The long-term goal, according to Matias, is to “develop a tool that is easy to administer, time-efficient and affordable, allowing integration into everyday healthcare contexts without requiring specialized or expensive equipment.” The study, published in Frontiers in Human Neuroscience, did have limitations. It was relatively small and limited to 58 older adults living in care homes; researchers noted that larger and more diverse groups need to be tested to confirm findings. The study also did not account for participants’ use of medications, which could potentially impact both handwriting and brain function.
This article is an AI-assisted summary. All facts and figures are drawn from the original report: https://newspub.live/health/everyday-task-may-help-detect-early-dementia-signs-before-diagnosis-study-finds/