CLEEVER Brainfrom DURAHUMAN
Running Span Dual-Task
Running Span Dual-Task
Ultimate cognitive endurance challenge - track letters while solving math

How to Play

  1. 1. Letters will appear one by one - memorize the last 4 letters
  2. 2. Occasionally, math problems will interrupt - solve them quickly
  3. 3. Type math answers and press Enter
  4. 4. At the end, you'll recall the letter sequence
  5. 5. This tests your ability to maintain information while multitasking

Letter Task

Remember the last 4 letters in the sequence. Your working memory will be constantly updated.

Math Task

Solve arithmetic problems quickly and accurately while maintaining the letter sequence in memory.

This trains:

  • • Working memory updating
  • • Dual-task coordination
  • • Cognitive flexibility
  • • Interference resistance
  • • Mental endurance

Key metrics:

  • • Letter sequence accuracy
  • • Math problem accuracy
  • • Dual-task cost
  • • Overall cognitive load handling