The effect of image scrambling on visual cortical BOLD activity in the anesthetized monkey.

@article{Rainer2002TheEO,
  title={The effect of image scrambling on visual cortical BOLD activity in the anesthetized monkey.},
  author={Gregor Rainer and Mark Augath and Torsten Trinath and Nikos K. Logothetis},
  journal={NeuroImage},
  year={2002},
  volume={16 3 Pt 1},
  pages={607-16}
}
We have investigated BOLD signal changes associated with scrambling natural images into different numbers of segments in visually modulated regions of the macaque monkey (macacca mulatta) brain. For 10 degrees x 10 degrees images, we observed that BOLD activity in primary visual cortex (V1) increased with scrambling, and then dramatically dropped for very highly scrambled images (128 x 128 segments). In extrastriate visual areas, BOLD signal levels did not distinguish between natural images and… CONTINUE READING
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