Laminar segregation of GABAergic neurons in the avian nucleus isthmi pars magnocellularis: a retrograde tracer and comparative study.

@article{Faunes2013LaminarSO,
  title={Laminar segregation of GABAergic neurons in the avian nucleus isthmi pars magnocellularis: a retrograde tracer and comparative study.},
  author={Macarena Faunes and Sara Jim{\'e}nez Fernandez and Cristi{\'a}n Guti{\'e}rrez-Ib{\'a}{\~n}ez and Andrew N Iwaniuk and Douglas R Wylie and Jorge Mpodozis and Harvey J. Karten and Gonzalo J Mar{\'i}n},
  journal={The Journal of comparative neurology},
  year={2013},
  volume={521 8},
  pages={
          1727-42
        }
}
The isthmic complex is part of a visual midbrain circuit thought to be involved in stimulus selection and spatial attention. In birds, this circuit is composed of the nuclei isthmi pars magnocellularis (Imc), pars parvocellularis (Ipc), and pars semilunaris (SLu), all of them reciprocally connected to the ipsilateral optic tectum (TeO). The Imc conveys heterotopic inhibition to the TeO, Ipc, and SLu via widespread γ-aminobutyric acid (GABA)ergic axons that allow global competitive interactions… CONTINUE READING
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