Re: A contrast in contasts: how do I get AFNI's glt to do higher-order contrasts?

Lukas Pezawas

January 21, 2004 03:37PM

Hi Jim!

Hmmm.. I always thought this just a simple mathematical operation:

(RESPONSEyellow - CUEyellow) - (RESPONSEgreen - CUEgreen) =

RESPONSEyellow - CUEyellow - RESPONSEgreen + CUEgreen

(e.g. something lile 1 -1 -1 1 in your matrix)

Lukas

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Subject	Author	Posted
A contrast in contasts: how do I get AFNI's glt to do higher-order contrasts?	Jim Bjork	January 21, 2004 12:12PM
Re: A contrast in contasts: how do I get AFNI's glt to do higher-order contrasts?	Lukas Pezawas	January 21, 2004 03:37PM
Re: A contrast in contasts: how do I get AFNI's glt to do higher-order contrasts	Gang Chen	January 27, 2004 01:47PM