Change the 6 to an 8 so it fits the binary system and you then know which contrasts are involved in the conjuction.
G805 Neuroscience and Psychiatry Unit
University Of Manchester
Tel: 0161 275 1740
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From: SPM (Statistical Parametric Mapping) [[log in to unmask]] on behalf of MRI Study [[log in to unmask]]
Sent: 23 September 2015 12:48
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Subject: [SPM] Conjunction for four contrasts
what would be the correct formula for calculating a conjunction with
four contrasts? Is this correct: i1+2.*i2+4.*i3+6.*i4 ?
Thank you for any help