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EEG lab procedure

Most of our EEG experiments are conducted in our on-site EEG laboratory. In those experiments, people usually get a relatively simple task, such as "carefully listen to these stories" or "give your opinion on these written statements" -- the specific task(s) will depend on the purpose of the study.

 

However, in any EEG experiment, you'll encounter some things that are standard. In the below, we give an impression of the standard procedure.

 

The electrode cap is being prepared for the session

 

The electrode cap is being prepared for the session

 

 

 

 

 

 

The cap is fitted over the participant’s head, and electrodes are filled with gel

 

The cap is fitted over the participant’s head, and electrodes are filled with gel

 

 

 

 

The participant is seated in the recording cabin, and after reading some instructions, is ready to go 

The participant is seated in the recording cabin, and after reading some instructions, is ready to go

 

 

 

The researcher checks the EEG signals

 

 

The researcher checks the EEG signals

 

 

 
 
The experiment can begin

 

 

The experiment can begin

 

 

 

 

During the experiment, the EEG signals are carefully monitored

 

 

During the experiment, the EEG signals are carefully monitored

 

 

 

We also keep an eye on the participant, and can communicate via intercom

 

 

We also keep an eye on the participant, and can communicate via intercom

 

 

  After the experiment, the cap is removed, and participants can wash their hair in a special mini-bathroom downstairs

 

 

After the experiment, the cap is removed, and participants can wash their hair in a special mini-bathroom downstairs

 

 


There's usually a debriefing afterwards, sometimes there's an additional survey to be filled in, and you'll have the opportunity to tell us how you felt about the experiment. And that's it!


For participants, a typical session lasts about 3 hours, with the actual experiment usually taking some 1 to 1.5 hours. After the experiment, the experimenter has yet another hour or so to go, in part because the electrode cap needs to be cleaned with a disinfectant.

Last checked 2009-07-21 by Jos van Berkum
Max Planck Institute
About MPI

 

The Max Planck Institute for Psycholinguistics is an institute of the German Max Planck Society. Our mission is to undertake basic research into the psychological,social and biological foundations of language. The goal is to understand how our minds and brains process language, how language interacts with other aspects of mind, and how we can learn languages of quite different types.

The institute is situated on the campus of the Radboud University. We participate in the Donders Institute for Brain, Cognition and Behaviour, and have particularly close ties to that institute's Centre for Cognitive Neuroimaging. We also participate in the Centre for Language Studies. A joint graduate school, the IMPRS in Language Sciences, links the Donders Institute, the CLS and the MPI.

 

Max Planck Institute
for Psycholinguistics


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