PEBL Hub — IRB Fact Sheet — 2026-08-23
Tower of London
Category:Executive Function
Duration:~10 minutes
Parameters:6 configurable parameters available
Version:1.0
Input:Mouse, Touch
Description
A test of executive function, specifically planning and problem-solving. Participants move colored disks between pegs to match a target configuration.
Example Data Output (5 sample rows)
| sub | test | trial | size | current | end | step | reset | tries | score | abstime | trialtime | clicktime | done |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TOL | 1 | 3 | |21|3|| | ||32|1| | 0 | 0 | 1 | 0 | 20677 | 0 | 0 | 0 |
| 1 | TOL | 1 | 3 | |2|31|| | ||32|1| | 1 | 0 | 1 | 0 | 26431 | 5754 | 5754 | 0 |
| 1 | TOL | 1 | 3 | ||31|2| | ||32|1| | 2 | 0 | 1 | 0 | 28005 | 7328 | 1574 | 0 |
| 1 | TOL | 2 | 3 | |21|3|| | |2|1|3| | 0 | 0 | 1 | 0 | 35149 | 0 | 0 | 0 |
| 1 | TOL | 2 | 3 | |21||3| | |2|1|3| | 1 | 0 | 1 | 0 | 41084 | 5935 | 5935 | 0 |
References
Shallice, T. (1982). Specific impairments of planning. Philosophical Transactions of the Royal Society of London, B, 298, 199-209.