Related Experiment Videos
Horse-race model simulations of the stop-signal procedure
Guido P H Band1, Maurits W van der Molen, Gordon D Logan
1Department of Psychology, Faculty of Psychology, Leiden University, PO Box 9555, 2300 RB Leiden, The Netherlands. band@fsw.leidenuniv.nl
Acta Psychologica
|January 11, 2003
Summary
This study provides guidelines for the stop-signal paradigm, a tool for measuring response inhibition. Simulations show that response inhibition latency, not variability, can be reliably estimated using this method.
Area of Science:
- Cognitive psychology
- Neuroscience
- Behavioral science
Background:
- The stop-signal paradigm is widely used to assess response inhibition.
- It involves a reaction task with occasional stop-signals requiring response cancellation.
- Previous applications span diverse conditions and populations.
Purpose of the Study:
- To establish evidence-based guidelines for the stop-signal paradigm.
- To examine how experimental design affects inhibition indices.
- To test the assumptions of the underlying horse-race model.
Main Methods:
- The study utilized computational simulations.
- Simulations manipulated experimental design features.
- Assumptions of the horse-race model were rigorously tested.
Main Results:
- Simulation results offer guidance on optimizing the stop-signal paradigm.
- Key findings relate to the reliable estimation of inhibition indices.
- The latency of response inhibition is reliably estimated, unlike its variability.
Conclusions:
- The study provides crucial guidelines for researchers using the stop-signal paradigm.
- Recommendations are based on simulation data for improved experimental design.
- The findings clarify the reliable estimation of response inhibition latency.