What is “Pinky Time,” and does it enhance brain health?

The Rise of “Pinky Time” and Its Claims on Brain Health

In recent months, a new trend has taken over social media platforms like TikTok. People are engaging in an exercise called “pinky time,” which involves moving the pinky finger up and down for 30 seconds on each hand. This simple movement is being touted as a way to boost brain health and even prevent dementia. While some experts acknowledge that certain finger movements can engage the brain, they caution against believing that this specific exercise alone can protect against cognitive decline.

What Is “Pinky Time”?

According to the creators of the trend, “pinky time” involves a specific sequence of finger movements. Users cross their index and middle fingers (like making a good luck sign), press their thumb and ring finger together, and then move their pinky up and down for 30 seconds per hand. Some videos claim that practicing this daily can help prevent Alzheimer’s disease and improve neuroplasticity. Others suggest that being able to easily move your pinky is a sign of a healthy brain.

However, despite these claims, there is currently no scientific evidence to support the idea that “pinky time” can prevent dementia on its own.

Can Finger Movements Improve Brain Function?

While the specific “pinky time” exercise hasn’t been studied, research does show that complex hand and finger movements can challenge the brain. John Showalter, MD, MSIS, a double board-certified physician specializing in dementia prevention, explains that such movements may engage multiple areas of the brain, including motor planning, attention, timing, and sensory feedback.

Eric Anderson, MD, PhD, a board-certified neurologist, adds that these types of movements are novel and can stimulate different parts of the brain. Alexander Zubkov, MD, a board-certified neurologist, notes that the hands and fingers occupy a disproportionately large area of the brain’s motor and sensory cortex.

Despite this, Zubkov warns that brain activation is not the same as preventing dementia. He compares it to how a flickering light activates the visual cortex but doesn’t necessarily protect vision.

Does Struggling with the Exercise Mean Something?

If you find it difficult to perform the “pinky time” exercise, it doesn’t necessarily mean your brain is in trouble. Zubkov explains that difficulty with fine motor tasks could be due to factors like arthritis, hand dominance, previous injuries, or simply lack of practice. A person with stiff fingers might struggle, while someone in early cognitive decline could perform the task easily.

In short, he says, “It’s not a diagnostic tool.”

Other Hand and Finger Exercises for Brain Health

While “pinky time” itself hasn’t been studied, researchers have tested other hand and finger exercises that may benefit cognitive function. These include:

• Palm Massage Circles: Use one hand to draw small circles on the palm of the other hand, then switch.
• Finger Extension Sequence: Starting with a closed fist, extend each of your five fingers one at a time, in order, on both hands.
• Finger Clicking: Using one hand, tap each finger of the opposite hand one at a time, then switch.
• Wrist Flipping: Place your palms together, then rotate your hands inward and outward in alternating directions.

Each of these exercises challenges the brain through coordination, sequencing, and sustained attention. According to Showalter, these mechanisms are similar to those that make complex finger exercises beneficial for cognitive health.

Anderson adds that learning something new is one of the best ways to engage and activate multiple parts of the brain regularly.

Beyond Finger Exercises: Comprehensive Strategies for Brain Health

While hand and finger movements can be beneficial, they aren’t the most effective strategy for supporting brain health. Experts emphasize that the most important habits include:

• Getting regular aerobic exercise
• Eating a healthy diet
• Getting adequate sleep
• Staying socially and mentally engaged
• Managing blood pressure, cholesterol, and glucose
• Treating chronic diseases

Showalter cautions that finger exercises alone won’t work if other health issues aren’t addressed. “You can’t do finger exercises but not treat your diabetes,” he said. “That’s not going to work.”