PRESENTED BY
PRESENTED BY
These are independent reviews of the products mentioned, but TIME receives a commission when purchases are made through affiliate links at no additional cost to the purchaser.

The number of people worldwide with dementia is projected to reach 139 million by 2050, but it is still thought to be underdiagnosed. A new innovation aims to change that—Linus Health DCTclock, an upgrade to a longstanding test in which a patient draws the face of a clock with a pen and paper—a simple task that picks up signs of declining spatial reasoning, memory and fine motor skills. Linus’ innovation uses a digitizing pen to capture hundreds of subtler details that might otherwise be invisible to clinicians. —Tara Law

More Must-Reads from TIME

Contact us at letters@time.com.

EDIT POST