Receptive field model estimated for each voxel with

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Receptive-field model estimated for each voxel with tuning along space, orientation and spatial frequency.
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4/15/2013 6 B. Brain Decoding in Visual Cortex Stage 2a: fMRI data recorded while subjects viewed 120 novel natural images. Stage 2b: Same 120 new images put through the RF model to get predicted patterns of voxel activity. Stage 3: Select image whose predicted activity is most similar to measured brain activity. Accuracy = 92% and 72% (110 and 86 of 120) (chance = 0.8%) B. Brain Decoding in Visual Cortex: Summary Activity in visual cortex may be sufficient to reconstruct what we see using information about space, orientation and spatial frequency C. Adaptation of more complex objects Demonstrations of Face Adaptation View the adapting image for several seconds, and then switch to the post-adapt image to see how the appearance of the pre-adapt image has changed. Who am I? The identity of the middle image is ambiguous… C. Adaptation of more complex objects: Identity Aftereffects
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4/15/2013 7 C. Adaptation of more complex objects: Identity Aftereffects Bush adaptation Who am I? adapt
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4/15/2013 8 Who am I?
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