Cognitive Flexibility

Measure your "Switch Cost" · the mental friction required to change the rules.

Circle ? Press LEFT
Square ? Press RIGHT
1Sometimes the rule switches sides · stay sharp!
2Arrow keys also work · ? ?

~1 minute · Includes Practice

Task Switching 1 / 20
Rule: Circle=Left, Square=Right
RULE CHANGED!
·ms
Your Switch Cost
Higher CostAverageHighly Flexible
0
Repeat RT
0
Switch RT
0
Penalty
🏆 Score Ranges
Excellent
< 100ms
Top 5%
Good
100–200ms
Top 25%
Average
200–400ms
Most adults
High Cost
> 400ms
Bottom 25%
🧠 Executive Function

Switch Cost represents the time lost when your brain has to reconfigure its internal rules.

High switch costs are associated with executive dysfunction. Individuals with high stress, fatigue, or ADHD often show higher switch costs, struggling to "pivot" when rules change.

⚡ What Affects It?
📱MultitaskingFrequent multitasking paradoxically worsens switching.
😴SleepFatigue dramatically increases switch cost.
🧘MeditationMindfulness practice reduces cognitive rigidity.
🏃ExerciseAerobic fitness improves cognitive flexibility.