“If any man is able to convince me and show me that I do not think or act right, I will gladly change.”
Marcus Aurelius, Meditations VI.21, trans. George Long
Cognitive flexibility exercises promise something appealing: a mind that can change direction when a plan fails, a new fact appears, or an old approach stops working. Common suggestions include puzzles, switching routines, learning new skills, and considering another point of view.
Some of these activities are worth doing. But there is a gap between getting better at an exercise and becoming more adaptable in everyday life. Research calls that gap transfer, and it changes how we should judge every recommendation.
The practical answer is measured: structured training can improve practiced skills, and some programs produce smaller improvements on other tests. Evidence that a generic exercise reliably makes someone more adaptable across work, relationships, and daily decisions is much less secure. A useful starting point is to practice the particular adjustment you want to make and watch whether it helps in that situation.
What is cognitive flexibility?
Cognitive flexibility is the ability to adjust thinking or behavior when a task, rule, or situation changes. It is usually discussed as part of executive function, alongside working memory and inhibitory control. These processes work together: you need to notice what changed, keep the new goal in mind, and stop applying a response that no longer fits.
Foundational reviews by Adele Diamond and Dina Dajani and Lucina Uddin describe the ability to shift between rules, tasks, or perspectives. That definition is more specific than being creative, agreeable, optimistic, or willing to try new things.
Everyday cognitive flexibility examples include changing your explanation when a listener looks confused, revising a plan after a deadline moves, or using a different method when repeated attempts produce the same error. These illustrate the concept. They do not establish that all those behaviors share one trainable capacity.
How researchers measure mental adaptability
In a laboratory, researchers need a task with rules they can control. They may ask participants to sort cards according to a rule that changes, or alternate between judging a number’s size and whether it is odd or even. Performance can be assessed through errors, response time, and the extra difficulty associated with switching.
These tasks make a complicated idea measurable. However, a score also depends on processes such as attention, memory, and response speed. A faster result alone cannot tell us that someone will handle an unexpected disagreement more constructively. Dajani and Uddin’s review of set shifting and task switching is useful background for understanding these measurement differences.
Questionnaires introduce another distinction. A 2021 systematic review and meta-analysis found little overall relationship between self-reported flexibility and performance on neuropsychological tests in healthy adults. Feeling adaptable and performing well on a switching task therefore should not be treated as interchangeable outcomes.
A 2024 review of cognitive-flexibility measurement makes the same broader point: the field still lacks a single unified definition and assessment approach. That matters because an intervention can look effective on one measure without proving that every form of adaptability improved.
Do cognitive flexibility exercises transfer to real life?
“The training worked” can refer to several different findings. Before accepting the claim, ask what improved and how far that outcome was from the exercise.
| Outcome | Example | What it establishes |
|---|---|---|
| Improvement on the trained task | You get faster at the exact sorting game you practiced. | You learned something about that task. |
| Near transfer | You improve on a different task with closely related switching demands. | Some benefit extends to a similar situation. |
| Far transfer | You improve on a substantially different cognitive task. | A broader effect, if the study rules out alternative explanations. |
| Everyday functional change | You adapt a work plan more effectively when circumstances change. | A directly relevant practical benefit, if measured credibly. |
The boundaries between near and far transfer vary across studies. Also, an untrained laboratory test can count as far transfer without measuring daily functioning. That is why the outcome itself matters more than the label.
A 2019 meta-analysis of executive function training in older adults reported large effects on trained outcomes and smaller effects on near- and far-transfer outcomes. However, a later systematic review of healthy older adults, published online in 2023, found no statistically clear improvement in the cognitive flexibility outcomes it pooled, including Trail Making Test Part B.
These findings do not support a simple universal verdict. The reviews used different collections of studies and outcomes. Much of this evidence also concerns older adults, so it cannot automatically establish what a healthy person in their twenties or thirties should expect.
Why comparison groups and everyday outcomes matter
One instructive 12-week training study in healthy older adults compared programs with different amounts of switching, novelty, and adaptiveness. Participants improved on several measures, but the experimental programs did not outperform the comparison training as expected. Improvement from the start of a program is therefore insufficient by itself. The comparison group matters.
Daily life remains a particularly important gap. A systematic review of behavioral interventions in healthy older adults found that relatively few studies measured everyday function, although some training approaches showed encouraging long-term results. Those findings deserve attention without being generalized to every brain game.
Which cognitive flexibility exercises are worth trying?
The most useful distinction is between activities studied as cognitive interventions and practical exercises you can use to address a specific problem. The latter can be sensible without having been validated as general flexibility training.
Rule-switching games: useful practice with a limited claim
Sorting cards first by color and then by shape gives you a concrete way to experience a rule change. You can also alternate between two categories while naming examples, such as a fruit followed by a city.
Try a short round and notice when you accidentally keep applying the previous rule. Aim for accuracy before adding speed. This is an illustration of switching demands, not a standardized test or a validated home training protocol.
If you improve, credit the skill you actually practiced. The training reviews above do not justify assuming that your conversations, judgment, or general intelligence improved along with the game. Choose cognitive flexibility exercises like these for interest and challenge, while keeping the promised benefit narrow.
Replanning: practice an adjustment you actually need
Choose a small recurring situation in which a disrupted plan tends to leave you stuck. Write the goal, the current approach, and one alternative that still meets the goal.
For example, the goal might be to eat a satisfying dinner after work. The current approach is cooking a particular recipe. If an ingredient is missing, an alternative could be a simpler meal using what is available. Identify which parts are essential and which are preferences.
When the disruption happens, try the alternative and record what happened. Did it meet the goal? Did you spend less time repeatedly trying to rescue the original plan? Those observations are more relevant to this exercise than a puzzle score.
This is Sapien’s practical application of the transfer problem. It is a way to rehearse a specific response, with no claim that the exercise raises a general cognitive flexibility score.
Perspective checks: connect another interpretation to evidence
For a low-stakes misunderstanding, write your first explanation and one plausible alternative. Then identify what information would help distinguish them.
Suppose a colleague sends an unusually brief reply. Your first interpretation is that they are annoyed. Another is that they are rushed. A later conversation may clarify the situation. The exercise is complete when it guides a proportionate next action, such as asking a neutral question or waiting for more information.
Generating alternatives does not require treating every explanation as equally likely. Keep the evidence in view. Nor does it require endlessly revisiting the same uncertainty. Sapien’s article on recognizing when reflection becomes rumination explores that separate problem.
Again, this is an everyday reasoning exercise. Its usefulness should be judged in the situation where you use it, rather than presented as established far transfer from cognitive training.
Physical activity: evidence for cognitive outcomes, with boundaries
Exercise has been studied more systematically than many novelty-based tips. A 2024 meta-analysis of aerobic exercise in healthy middle-aged and older adults reported improvements in cognitive flexibility and other executive function outcomes.
That makes physical activity a defensible part of the conversation. It does not establish that a particular walk will make someone more open-minded, or that every age group receives the same benefit. The measured outcomes and population still matter.
If you enjoy walking, cycling, dancing, or a sport, there is no need to turn every session into a mental test. This evidence supports discussing exercise alongside cognitive approaches while avoiding a precise “flexibility dose” that the article cannot justify.
Novelty and puzzles: choose them for their actual value
Taking another route, learning a language, or trying a new hobby can be enjoyable and teach useful skills. But novelty alone is not evidence of broad cognitive improvement.
A critical review of cognitive training by Fernand Gobet and Giovanni Sala argues that robust far-transfer effects remain difficult to establish. Their interpretation is more skeptical than some meta-analyses, which is another reason to avoid presenting the field as settled.
A 2024 review focused specifically on cognitive flexibility training takes a more constructive view. It describes flexibility as a bundle of skills, including attentional shifting, strategy updating, learning from feedback, and task switching, and argues that adaptive, personalized training may be more promising for real-world use. Importantly, the review treats real-world transfer as a goal to improve, not as something already established for every training program.
You do not need a brain-enhancement claim to justify a hobby. Learning the instrument, enjoying the puzzle, or becoming more comfortable with an unfamiliar activity can be worthwhile outcomes in their own right.
How to judge whether cognitive flexibility exercises are helping
Choose one change you would recognize outside the practice session. “Become mentally flexible” is difficult to evaluate. “Try another explanation when someone does not understand me” is observable.
For several relevant situations, make a brief note of what changed, what you tried, and whether it helped. Keep the record simple. It is personal feedback, not a clinical assessment or proof that the exercise caused an improvement.
Also look for costs. If the practice creates more second-guessing, repeated checking, or unnecessary switching, simplify it. A useful response should fit the demands of the situation.
When evaluating a commercial program, ask whether it has been compared with another credible activity, whether researchers tested unpracticed outcomes, and whether any reported benefit persisted. A rising score inside the app answers only part of the question.
The Sapien interpretation: practice the change you want to make
The mental-muscle metaphor encourages us to imagine one capacity that grows whenever we do something challenging. The evidence gives us a more specific picture: what we practice, how researchers measure improvement, and where we expect the benefit to appear all matter.
There is still room for useful action. Rehearse adapting a plan, changing an explanation, or revisiting an assumption in the settings where those skills matter to you. Enjoy games for the skills and enjoyment they provide. Treat broader claims as questions that require broader evidence.
Flexibility also needs a purpose. If the goal and conditions remain the same, staying with a sound approach may be appropriate. Constantly changing direction can prevent you from completing anything. The relevant skill is choosing a response that fits what the situation requires.
The best question to bring to cognitive flexibility exercises is: what specific improvement would make this practice worthwhile, and have I actually seen it?
References
- Diamond A. Executive functions. Annual Review of Psychology. 2013.
- Dajani DR, Uddin LQ. Demystifying cognitive flexibility: Implications for clinical and developmental neuroscience. Trends in Neurosciences. 2015.
- Howlett CA, et al. Same room, different windows? A systematic review and meta-analysis of the relationship between self-report and neuropsychological tests of cognitive flexibility in healthy adults. Clinical Psychology Review. 2021.
- Immediate and long-term efficacy of executive functions cognitive training in older adults: A systematic review and meta-analysis. Psychological Bulletin. 2019.
- Olegário RL, et al. Efficacy of cognitive training on executive functions in healthy older adults: a systematic review with meta-analysis of randomized controlled trials. Psychology & Health. 2025;40(5):714-741. Epub 2023.
- Buitenweg JIV, et al. Cognitive Flexibility Training: A Large-Scale Multimodal Adaptive Active-Control Intervention Study in Healthy Older Adults. Frontiers in Human Neuroscience. 2017.
- Sprague BN, et al. The impact of behavioral interventions on cognitive function in healthy older adults: A systematic review. Ageing Research Reviews. 2019.
- Ye M, et al. Effects of aerobic exercise on executive function of healthy middle-aged and older adults: A systematic review and meta-analysis of randomized controlled trials. 2024.
- Gobet F, Sala G. Cognitive Training: A Field in Search of a Phenomenon. Perspectives on Psychological Science. 2023.
- Hohl K, Dolcos S. Measuring cognitive flexibility: A brief review of neuropsychological, self-report, and neuroscientific approaches. Frontiers in Human Neuroscience. 2024.
- Lee LY, et al. Cognitive flexibility training for impact in real-world settings. Current Opinion in Behavioral Sciences. 2024.
