ERIKSEN FLANKER TASK PDF

The flanker task (Eriksen & Eriksen, ) requires (spatial) selective attention and executive control. In this task, irrelevant stimuli have to be inhibited in order to. In the flanker task, the subject is required to move a lever in a particular direction. Which direction is required in condition B? a) Left b) Right. Besides the Stroop and Simon paradigm, the Eriksen Flanker paradigm is one of the three popular tasks to study effects of conflicting stimulus.

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The flanker taskalso known as the Eriksen flanker task, was designed in the early s by Eriksen and Eriksen. Like most of the paradigms in this library, it is popular and there are many tasj of the original. The basic effect is that when you need to respond to stimuli “flanked” by irrelevant stimuli, the irrelevant stimuli can still affect your response.

There is a similarity between other paradigms in which this type of interference from an irrelevant stimulus or stimulus feature occurs like the Stroop task or the Simon task. The flanker task here is slightly different from the original flanker task from Eriksen and Eriksen for various practical reasons this version is just a bit easier.

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For example, in the original study, the spacing between the letters was varied, and in addition to compatible an incompatible letters, there were neutral letters. Of course, you can extent the code to add those features of the original study.

In this task, you need to respond with the A or L key of your keyboard. Effects of noise letters upon identification of a driksen letter in a non-search task.

Perception and Psychophysics, 16 Flanker task main experiment library copyright. Introduction The flanker taskalso known as the Eriksen flanker task, was designed in the early s by Eriksen and Eriksen. About this implementation The erimsen task here is slightly different from the original flanker task from Eriksen and Eriksen for various practical reasons this version is just a bit easier.

Run the etiksen In this example, you will see 5 letters appear above the fixation point, but you must only respond to the central letter which is above the fixation point. The letters X and C need to be responded to with the A button of your keyboard. The letters V and B need to be responded to with the L button of your keyboard. If there is a mismatch between flankdr flanking letters their response and the response required by the central letter, we speak of a “incongruent” or “incompatible” condition.

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Click here to run a demo of the flanker task. Data output file TODO.

Flanker task

In PsyToolkit, the data output file is simply a textfile. The save line of the PsyToolkit experiment script determines what is being saved in the data output file.

Meaning of the columns in the output datafile. You need this information for your data analysis. Download The PsyToolkit code zip file. If you have a PsyToolkit account, you can upload the zipfile directly to your PsyToolkit account.

Flanker Task – Cognition Lab

Watch a video on how to do that. If you want to upload the zipfile into your PsyToolkit account, make sure the file is not automatically uncompressed some browsers, especially Mac Safari, by default uncompress zip files. Read here how to easily deal with this.

Further reading Eriksen, B. In this example, you will see 5 letters appear above the fixation point, but you must only respond to the central letter which is above the fixation point.