Four-Choice Reaction Time
What it measures
Four-Choice Reaction Time measures attention and reaction time
Outcome measures
Reaction Time
A decrease in score on this outcome should be interpreted as an improvement.
Choice Accuracy
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
How it measures
"A visual representation of the four direction arrow keys of a standard keyboard was presented on the screen. The arrows ‘lit up’ at random on the screen until the corresponding key press was made. In all, each arrow was the target stimulus twelve times, forming a total of forty-eight stimuli for this task. Accuracy and mean reaction time were recorded." rich_fish_oil_on_cognitive_function_or_mood_in_healthy_young_adults_aged_18