For colour or letter versions you might instead allow the 0 and 1 keys, as they lie comfortably on either side of the keyboard. ![]() For a Flanker task with arrow stimuli it makes sense to allow responses with the left and right arrow keys. Stimuli in Flanker tasks are typically composed of a target image in the center which is flanked by one or more distractor stimuli on either side.ĭepending on the version of the task you are using, a different response might more sense. In each trial, the stimulus is shown for unlimited time until the participant responds to advance to the next trial. The setup for the Flanker task is straightforward. You can use the Eriksen Flanker task to measure the ability to suppress tempting, but irrelevant responses in a particular context. This step of choosing an appropriate action based on what we see occurs after we process our visual scene. This shows that it takes effort to select between the competing responses elicited by the target and misleading distractors. This delay is also longer than when adding distractors that evoke no response, but make the target harder to recognise. For example, it is more difficult to match the direction of an arrow on screen by pressing the respective arrow key on your keyboard, when the surrounding arrows point in the opposite direction. The main effect demonstrated by the Flanker task is that participants take longer to respond to a target stimulus if it is ‘flanked’ by distractor stimuli that suggest a different response. The Flanker task was originally described by Eriksen & Eriksen (1974) as a test of participants’ ability to inhibit conflicting but irrelevant information using a simple experimental paradigm. ![]() What is the Flanker task is and how can you use it in your own research? Use the Flanker task template → Try the demo
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