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-   -   Stimulus randomization (http://community.cedrus.com/showthread.php?t=2301)

Rohit September 27th, 2017 12:15 AM

Stimulus randomization
 
Hi,
I am new to ERPs.
I am planning on an auditory oddball task.
But in superlab 4.5, I dont know how to generate the next stimulus not as same as previous. Kindly advise

Arman September 27th, 2017 04:46 PM

Hello Rohit.

Are you aware of stimulus lists? If so, can you post the experiment that you have so far?

Rohit October 10th, 2017 09:30 PM

Attaching the code file
 
1 Attachment(s)
Dear Armaan,

This is the experiment stage I have yet been able to work through. I have still version 4.5

Rohit October 10th, 2017 10:44 PM

Experiment revised with macro
 
1 Attachment(s)
Hi Armaan,

I have made some additions using macros after reading other blogs, but am still not able to get proper randomization where the deviant stimuli does not repeat itself.
I am attaching the revised version with macros too.

Hisham October 11th, 2017 08:51 AM

The macros feature in SuperLab 4.5 was completely rewritten from scratch and was replaced by the rules features in SuperLab 5. Rules are much simpler to use and more powerful at the same time.

While we still support SuperLab 4.5, this support is limited to features that are common to both versions. But for something that was replaced and made better over four years ago, Im afraid that we cannot devote precious support resources for that.

I apologize for the inconvenience. Well be happy to assist if you get version 5.


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