Organization of electrically and chemically evoked defensive behaviors within the deeper collicular layers as compared to the periaqueductal gray matter of the rat.

@article{Bittencourt2005OrganizationOE,
  title={Organization of electrically and chemically evoked defensive behaviors within the deeper collicular layers as compared to the periaqueductal gray matter of the rat.},
  author={Athelson Stefanon Bittencourt and Ester Miyuki Nakamura-Palacios and H{\'e}lder Mauad and Sergio Brasil Tufik and Luiz Carlos Schenberg},
  journal={Neuroscience},
  year={2005},
  volume={133 4},
  pages={873-92}
}
Stimulation of the periaqueductal gray matter (PAG) and the deeper layers of superior colliculus (SC) produces both freezing (tense immobility) and flight (trotting, galloping and jumping) behaviors along with exophthalmus (fully opened bulging eyes) and, less often, micturition and defecation. The topography of these behaviors within the distinct layers of SC remains unclear. Therefore, this study compared the defensive repertoire of intermediate (ILSC) and deep (DLSC) layers of SC to those of… CONTINUE READING

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