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Areal origin of commissural projections. Insets, injection sites. The principal projection is topographic and always from the homotopic area. Sparser heterotopic projections arise from related fields. A: Projections to areas AAF (blue dots) and DZ (red dots). B: Input to areas P (blue dots) and VP (red dots). C: Projections to Ve (blue dots) and VP (red dots). D: Input to areas EV (blue dots) and VP (red dots). Letters above each panel indicate lateral sections in Fig. 7.
