Arcopallium

Arcopallium
Identifiers
NeuroLex ID Arcopallium

Anatomical terms of neuroanatomy

The arcopallium refers to regions of the avian brain which partially overlap regions homologous to the amygdala of mammals. These regions have formerly been referred to as archistriatum, and before this epistriatum or amygdaloid complex,[1] and a recent change of nomenclature has divided the region into the arcopallium and posterior pallial amygdala.[2] The new nomenclature, adopted in 2004, reflects a modern understanding that the avian brain is broadly similar to the mammalian brain, containing large regions homologous to the mammalian neocortex, claustrum, and pallial amygdala. The outdated nomenclature it replaced perceived the avian brain as consisting almost entirely of enlarged basal ganglia, to which more complex outer layers had been added during a progress toward mammalian intelligence.[3]

Reassignments

Specific reassignments of terminology were made with consideration of retaining abbreviations, and include:

See also

References

  1. "Avian Brain Nomenclature History Table".
  2. "New Terminology for the Archistriatum".
  3. Reiner A, Perkel DJ, Bruce LL; et al. (May 2004). "Revised nomenclature for avian telencephalon and some related brainstem nuclei". J. Comp. Neurol. 473 (3): 377–414. doi:10.1002/cne.20118. PMC 2518311. PMID 15116397.

External links

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