[Eeglablist] Question Subtract individual mean

[Flávia S Belham]

Hello! I have a question about an option on the “Set spectrum plotting parameters” gui. I really cannot decide whether or not to check the “Subtract individual subject mean spectrum” box. There are two analyses that I want to do. The first one is to compare scalp frequencies between four conditions of a task. The other is to compare scalp frequencies between groups (men X women and young X elder people) of subjects. I would like to know in which case I should use that “Subtract…” option, or if I should use it at all.Thank you.Flávia S. Belham

Flávia Schechtman Belham 		 	   		  
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