Tiktok’s Viral ‘Pinky Time’ Trick To Prevent Cognitive Decline Has Millions Hooked—but Does It Work?
Doctors reveal the popular exercise can—and can't—do, plus more ways to protect your brain
Key Takeaways
- Doctors say that ‘pinky time’ may challenge coordination and mental focus.
- Neurologists explain why finger exercises can help stimulate the brain.
- No exercise guarantees Alzheimer’s prevention, but regular brain activity matters.
You take care of your heart with daily walks, protect your eyes with screen breaks and maintain a healthy weight with nutritious meals, but what about keeping your brain healthy? If slowing cognitive decline and lowering your risk of Alzheimer’s disease feels overwhelming, you’re not alone. That’s exactly why TikTok’s newest wellness trend has millions of people wiggling their pinkies. Called “pinky time,” this simple finger exercise promises to boost memory and focus in just seconds a day. But does it actually improve your cognitive function? We asked brain health experts to reveal the truth about this viral hack and share four exercises that may work even better.
What is ‘pinky time’—and how is it linked to cognitive decline?
Before diving into whether pinky time can slow cognitive decline (especially for older adults), it helps to understand what the TikTok trend is claiming to prevent. “Alzheimer’s is a brain disease that slowly damages brain cells, so a person gradually has more trouble remembering, learning, planning, finding words and doing familiar tasks,” says Rab Nawaz, MD, a board-certified neurologist. “The CDC describes dementia as a decline in mental ability that affects daily life, and Alzheimer’s is the most common type.”
Pinky time is being positioned as a fun fine motor task that improves brain functioning over time.. “Pinky time is a short finger exercise that started on TikTok, where people arrange their fingers in a specific way and wiggle their pinkies while often doing it together at the same time each day,” explains Kang Hsu Jr., MD, chief medical officer of Canary Speech. “Creators promote it as a quick daily ‘brain workout’ and some even suggest it could help prevent or detect dementia.”
Woman's World Answers
Can pinky time really ward off cognitive decline?
We have bad news and good news. The bad news? Dr. Nawaz says there’s no strong evidence that a viral internet trend like pinky time can lower your risk of Alzheimer’s disease or dementia. The good news? The exercise (which combines novelty and coordination) could still be good for the brain in other ways. Dr. Nawaz explains that learning a new coordinated movement may briefly challenge the parts of the brain involved in timing, planning, movement and hand control, which may help the brain adapt and form new connections.
While pinky time likely isn’t the anti-Alzheimer’s magic bullet the internet claims it is, Dr. Nawaz says it may still be a fun addition to a larger brain health routine. If you enjoy the exercise, he recommends practicing pinky time for one to two minutes a day. Over time, the exercise may help you feel a little more mentally engaged, focused or coordinated as you practice the movement.
How to try pinky time for yourself
Dr. Nawaz breaks down exactly how to do the simple finger movements each day:
- Hold your hands in front of you with your palms facing one another
- Interlock or cross your index and middle fingers on each hand so they stay connected
- Place each thumb against the ring finger on the same hand
- Once your hands are in position, slowly move only your pinky fingers up and down
- Focus on steady, controlled movement rather than speed
4 other brain health exercises that help prevent cognitive decline
While pinky time has captured the internet’s attention, there are several other finger and hand exercises that can also help protect your brain. Here are four expert-approved exercises to try:
Alternate clapping
“[This exercise] forces your brain to override its automatic clapping pattern, which is exactly the disruption that’s beneficial,” says Fawad Mian, MD, a board-certified neurologist and founder at Ascend Regenerative.
- Start by clapping your hands together normally
- On the next clap, rotate both hands so the backs of your hands touch instead
- Continue alternating between a regular clap and the reversed version
Cross body hand taps
“Crossing the midline of the body and keeping a rhythm engages coordination between the two sides of the brain hemispheres and can help with attention and balance—much like basic dance steps or aerobics moves,” says Dr. Hsu. To get the benefits of cross-hemisphere coordination:
- Sit or stand tall
- Tap your left knee with your right hand
- Then tap your right knee with your left hand
- Continue alternating sides back and forth
- Once the movement feels comfortable, add a rhythm pattern such as “slow-slow-fast” while tapping
Finger lifts
“This [exercise] may help with fine motor awareness and concentration because the ring and pinky fingers are often harder to isolate,” says Dr. Nawaz.
- Rest both hands flat on a table or other firm surface
- Lift only one finger at a time while keeping the rest of your fingers down
- Begin with your index fingers, then move to your middle fingers, ring fingers and pinkies
Coin rolling
“Coin rolling requires fine motor control, focus and dexterity,” says Dr. Mian. “This engages the brain’s motor and attention networks. Occupational therapists use versions of this with patients in early cognitive decline.”
- Hold a coin in one hand
- Move the coin across your knuckles one finger at a time
- Once you reach the end of your hand, roll the coin back in the opposite direction
- Repeat the movement with control
The bottom line on pinky time to prevent cognitive decline
Whether you try pinky time or another brain-boosting exercises, the key is consistency. While no finger exercise can guarantee prevention of Alzheimer’s or dementia, keeping your brain active, engaged and challenged is one of the best things you can do for your cognitive health as you age.
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