Visual search and number sense
0Sum Link
Complete two sessions to see a trend.
Start the first session Local progress
A record, not a ranking.
Your completed sessions live only in this browser. Use them to notice patterns, not to judge your mind.
Total sessions0
Focused time0:00
Active days0
Five-minute resets0
Last 14 days
Practice activity
0 total errors are recorded as task feedback, not a penalty.
By exercise
Recent trends
Lines compare only recent sessions of the same exercise. Difficulty is shown in the session history below.
Visual working memory
0Glyph Recall
Complete two sessions to see a trend.
Start the first session Visual attention
0Schulte Table
Complete two sessions to see a trend.
Start the first session Moving attention
0Rotating Rings
Complete two sessions to see a trend.
Start the first session Attention switching
0Trail Switch
Complete two sessions to see a trend.
Start the first session Multiple-object tracking
0Moving Dots
Complete two sessions to see a trend.
Start the first session Deliberate reasoning
0Sudoku
Complete two sessions to see a trend.
Start the first session Working memory
0N-back
Complete two sessions to see a trend.
Start the first session Short-term memory
0Memory Cards
Complete two sessions to see a trend.
Start the first session Visual memory
0Pattern Recall
Complete two sessions to see a trend.
Start the first session No completed sessions yet.
Start five minutes