Efferent connections of the parabigeminal nucleus to the amygdala and the superior colliculus in the rat: A double-labeling fluorescent retrograde tracing study

被引：13
|
作者：
Usunoff, Kamen G.
Schmitt, Oliver
Itzev, Dimitar E.
Rolfs, Arndt
Wree, Andreas
机构：
[1] Univ Rostock, Fac Med, Inst Anat, D-18055 Rostock, Germany
[2] Med Univ Sofia, Fac Med, Dept Anat & Histol, Sofia 1431, Bulgaria
[3] Bulgarian Acad Sci, Inst Physiol, BU-1113 Sofia, Bulgaria
[4] Univ Rostock, Fac Med, Neurol Inst, D-18055 Rostock, Germany
来源：
BRAIN RESEARCH | 2007年 / 1133卷 / 01期
关键词：
axon collateralization; extrageniculostriate; facial emotion; limbic system; visual system;
D O I：
10.1016/j.brainres.2006.11.073
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The parabigerninal nucleus (Pbg) is a subcortical visual center that besides reciprocal connections with the superior colliculus (SC), also projects to the amygdala (Am). The Pbg-Am connection is part of a multineuronal pathway that conveys extrageniculostriate inputs of the retina to the Am, and it rapidly responds to the sources of threat before conscious detection. The present study demonstrates that Pbg projects bilaterally to Am and SC. The ipsilateral projections arise from separate cell populations, whilst the contralaterally projecting Pbg neurons emit branching axons that simultaneously innervate Am and SC. (c) 2006 Elsevier B.V. All rights reserved.
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页码：87 / 91
页数：5
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