Summary
Recent publications have demonstrated a projection of the lateral geniculate nucleus (LGN) onto extrastriate cortical regions in the old world monkey but have failed to identify a projection from this nucleus to V2, the area adjacent to the striate cortex. In this report we show that such a projection exists, as demonstrated by the retrograde transport of the fluorescent labels fast blue (FB) and diamidino yellow (DY). Neurons labelled after V2 injections are more scattered in the LGN than the cells backfilled by the V1 injections and mostly belong to the interlaminar zones and the S layers, regions which are largely devoid of neurons labelled by the V1 injections.
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Funding by the DGRST grant no. 81.E.0574 is gratefully acknowledged
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Bullier, J., Kennedy, H. Projection of the lateral geniculate nucleus onto cortical area V2 in the macaque monkey. Exp Brain Res 53, 168–172 (1983). https://doi.org/10.1007/BF00239409
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DOI: https://doi.org/10.1007/BF00239409