Improving the validity of neuroimaging decoding tests of invariant and configural neural representation
Fig 2
Stimuli were composed of oriented gratings (dimension 1) presented in a windowed spatial position (dimension 2). Each trial consisted of a single combination of oriented gratings and spatial position. Training runs were composed of stimuli presented only in top-right and bottom-left spatial positions (highlighted through red and blue boxes). Testing runs included all sixteen stimulus combinations.