You see a digit+letter pair, e.g. "3A". A coloured cue tells you the task: NUMBER — is the digit odd or even? LETTER — is the letter a vowel or consonant? The task switches randomly. Trains cognitive flexibility and measures switch cost.
Real-life benefits
Rule switching
Cognitive flexibility
Lower switch cost
Tip
Regular 5-10 minute daily sessions give better results than occasional long sessions.