Thalamic and basal forebrain cholinergic connections of the rat posterior parietal cortex

被引:26
作者
Bucci, DJ
Conley, M
Gallagher, M
机构
[1] Univ N Carolina, Curriculum Neurobiol, Chapel Hill, NC 27599 USA
[2] Duke Univ, Dept Expt Psychol, Durham, NC 27706 USA
[3] Johns Hopkins Univ, Dept Psychol, Baltimore, MD 21218 USA
关键词
basal forebrain cholinergic system; HRP; Long-Evans rats; nucleus basalis; substantia innominata;
D O I
10.1097/00001756-199904060-00009
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
THE thalamic connectivity and basal forebrain cholinergic input to the posterior parietal cortex (PPC) of Long-Evans rats was examined using combined retrograde tracing and immunocytochemical methods. As in previous studies, the PPC could be distinguished by its input from the lateral posterior, lateral dorsal, and posterior nuclei of the thalamus, but not the lateral geniculate nucleus or ventrobasal complex. These nuclei were also observed to receive reciprocal projections from the ipsilateral PPC. Cholinergic neurons innervating the PPC were primarily localized to the substantia innominata/nucleus basalis region. The implications of these data for possible functions of the cholinergic input to PPC are discussed. NeuroReport 10:941-945 (C) 1999 Lippincott Williams & Wilkins.
引用
收藏
页码:941 / 945
页数:5
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