Brisk walking does more than just get your heart rate up. You may also notice a noticeable increase in your imagination after about an hour. A recent study tracked body movement and creative thinking in real time and found that certain time windows of moderate exercise were associated with the generation of more original ideas. The researchers published their results in the journal Sport, Exercise and Performance Psychology.
Human creativity is a cognitive skill needed to perform daily life. We are always faced with endless problems with no obvious solutions. Solving these unstructured problems requires generating completely original and useful ideas.
Researchers often divide this mental ability into different areas, such as verbal creativity and graphical creativity. Linguistic creativity involves generating new responses to language-based prompts. Psychologists often test this by asking people to list unusual uses for common household items such as cardboard boxes or bricks. Shape creativity involves tasks such as taking a piecemeal shape and completing it to form an original drawing.
Past research has shown that physical activity benefits both physical and mental health. Scientists have observed that just a single bout of exercise can improve common cognitive functions such as attention and memory. Many studies also suggest a link between aerobic exercise and improved creative thinking.
The exact parameters of this relationship remained undefined in the existing scientific literature. Researchers did not fully understand the exact intensity, duration, or timing of exercise needed to optimize a person’s creative performance. Establishing these specific details will help clarify how physical exercise biologically alters brain function.
Christian Rominger, a health psychology researcher at the University of Graz in Austria, led a team investigating this gap in the literature. Rominger and his colleagues wanted to identify the natural movement patterns that precede a spark of imagination. Traditionally, studying all possible combinations of exercise duration and intensity in a laboratory setting poses major logistical challenges.
There are nearly endless ways to combine different workout lengths, effort levels, and rest times in a controlled setting. To solve this problem, the team utilized a data-driven strategy known as a bottom-up approach. They uncovered the most common patterns from their data simply by observing people in their natural environments, without imposing specific exercise rules.
The research team designed an observational study to follow 157 young people over a five-day period. To measure physical activity, participants wore a small sensor device on their chest. These sensors continuously recorded acceleration and altitude changes, recording movement data 64 times per second.
To measure creativity, participants downloaded a special application onto their smartphones. The application prompted participants to complete short cognitive tasks up to 12 times a day at random intervals. Some prompts tested verbal creativity and others tested pictorial creativity. Participants were given exactly 60 seconds to enter their original ideas or submit digital drawings.
This method of dynamically testing people as they live their real lives is called ecological momentary assessment. This provides a more accurate picture of everyday cognition compared to artificial laboratory experiments. An independent evaluator then scored all submitted ideas based on originality. By relying on human consensus, the team ensured that the grading process reflected true creative novelty.
The chest sensor enabled the research team to accurately classify daily movements into distinct intensity levels. They used metabolic equivalents, which measure how much energy a person expends compared to sitting still. Sedentary behavior included simply resting.
Light physical activity included simple movements such as casual walks around the house. Moderate physical activity includes a brisk walk, casual sports, or heavier housework. Vigorous activities include high-intensity actions such as running, swimming, and cycling.
The team divided the behavioral data into one-minute segments. By analyzing these small increments, you can plan the exact time and intensity of your physical activity in advance of your smartphone’s creativity prompts. They looked at movement history up to 100 minutes before each alarm went off.
Bottom-up analysis reveals very specific windows for enhancing verbal creativity. Ten to 25 minutes of moderate physical activity consistently predicted improved performance on language tasks. This positive association peaked when moderate exercise occurred approximately 60 to 70 minutes before the creative prompt.
Researchers note that this built-in delay may give the body a chance to recover. This recovery period can put the brain into a physiological state that is very suitable for generating new ideas. The immediate post-exercise effect was less pronounced in our data.
Not all movements predict improved imagination. 5 to 25 minutes of light-intensity exercise was associated with lower verbal creativity scores. This negative relationship was found to be strongest when light activity occurred approximately 75 minutes before the cognitive task.
Researchers found no statistically significant association between sedentary behavior and creative outcomes. The authors speculate that sitting is so common in modern daily life that it does not cause abnormal fluctuations in a person’s internal cognitive abilities. Even intense exercise failed to show consistent predictive patterns for generating creative ideas.
Similarly, plastic creativity did not show a strong relationship with any motor parameters. This suggests that verbal and visual thinking may rely on different physical triggers. To test their first findings, the researchers conducted a second study over four days with a completely independent group of 76 participants.
They tracked verbal creativity using the same chest sensor and mobile application setup. The team applied Bayesian statistical methods to this second phase. This advanced mathematical approach allowed us to use the numerical results of the first study as prior information. By inputting this prior information into new data analysis, researchers can test the true strength and reliability of previous observations.
The second study successfully replicated the main observations regarding linguistic creativity. The positive relationship between moderate exercise and delayed increases in verbal creativity proved to be highly robust to a new data set. The negative association after light physical activity was also successfully replicated.
Statistical analysis provided very strong evidence to support the theory that a 20-minute brisk walk is likely to lead to improved verbal problem solving one hour later. This replication strengthens the idea that exercise intensity and timing manipulate specific cognitive outcomes.
The authors say these findings are exploratory and rely heavily on observational techniques. The study tracked participants’ natural daily behavior rather than randomly assigning them to specific gym routines. Because of this design, the researchers cannot confidently claim that moderate physical activity directly causes changes in creativity.
It’s still possible that other external variables, such as a person’s immediate environment or underlying genetics, influence both the urge to move and mental acuity. The participants also consisted mainly of healthy young university students living in Austria. Future studies should evaluate more diverse age groups and populations with different baseline fitness levels.
The researchers say these preliminary insights should serve as a detailed guide for randomized controlled trials. Such experimental studies could ultimately help doctors and sports psychologists prescribe precise exercise regimens aimed at promoting mental flexibility and cognitive health.
The study “Creativity in Practice: Exploring the relationship between physical activity and the performance of creative ideas in real life — a bottom-up approach” was authored by Christian Rominger, Andreas Fink, Matthias Benedek, Bernhard Weber, Corinna M. Perchtold Stefan, and Andreas R. Schwertfeger.
