From local to global: Cortical dynamics of contour integration.

  title={From local to global: Cortical dynamics of contour integration.},
  author={Topi Tanskanen and Jussi Saarinen and Lauri Parkkonen and Riitta Hari},
  journal={Journal of vision},
  volume={8 7},
Processing of global contours requires integration of local visual information. To study the involvement of different cortical areas and the temporal characteristics of their activity in such integration, we recorded neuromagnetic responses to arrays of Gabor patches in which a proportion of the patches was oriented either tangentially or radially with respect to a global circular contour; arrays with random patch orientations served as control stimuli. The first responses at 60-80 ms around… CONTINUE READING


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