But this is people imagining, they had their eyes closed but they had the intention to imagine an image that they had just seen, and everything is dark, it's just the imagination that seems to be driving those changes, and we see activations in the occipital pole, in regions V1, V2, V3, the very early regions of vision, and also the extrastriate regions, and we see activation of the parahippocampal area and activation of the frontal pole 