Projections from the primary somatosensory cortex to basal ganglia and thalamus in the monkey |
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Authors: | Dr H Künzle |
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Institution: | (1) Institute for Brain Research, University of Zürich, CH — 8029 Zürich, Switzerland;(2) Present address: Department of Neuroscience, The Children's Hospital Medical Center, 300 Longwood Avenue, 02115 Boston, MA, USA |
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Abstract: | Summary Radioactive amino acids were injected into the postcentral cortex (areas 3, 1 and 2) in 6 monkeys (Macaca fascicularis). Fibers were traced to the ipsilateral putamen, to Olszewski's n. ventralis posterior lateralis pars caudalis, n. ventralis posterior medialis and inferior, to n. pulvinaris oralis, n. suprageniculatus and corpus geniculatum mediale pars magnocellularis. Furthermore, there were faint postcentral projections to claustrum, n. caudatus, n. centralis lateralis, n. centrum medianum, zona incerta and with respect to the postcentral face region to n.medialis dorsalis pars multiformis.Discrepancies with earlier findings were discussed and comparison was made between pre- and postcentral target regions.Abbreviations Cd
n. caudatus
- ci
capsula interna
- CL
n. centralis lateralis
- Cl
claustrum
- CM
n. centrum medianum
- GL
corpus geniculatum laterale
- GM
corpus geniculatum mediale
- GMpc
corpus geniculatum mediale pars parvocellularis
- GMmc
corpus geniculatum mediale pars magnocellularis
- GP
globus pallidus
- la
sulcus lateralis
- LP
n. lateralis posterior
- MD
n. medialis dorsalis
- OI
opercular-insular cortex
- Pen
n. paracentralis
- Pf
n. parafascicularis
- PI
n. pulvinaris inferior
- PO
n. pulvinaris oralis
- Pu
putamen
- RT
n. reticularis thalami
- SG
n. suprageniculatus
- SN
substantia nigra
- St
n. subthalamicus
- thi
tractus habenulo-interpeduncularis
- tmt
tractus mammillo-thalamicus
- to
tractus opticus
- VA
n. ventralis anterior
- VLc
n. ventralis lateralis, p. caudalis
- VLo
n. ventralis lateralis, p. oralis
- VPI
n. ventralis posterior inferior
- VPL
n. ventralis posterior lateralis
- VPLc
n. ventralis posterior lateralis p. caudalis
- VPLo
n. ventralis posterior lateralis p. oralis
- VPM
n. ventralis posterior medialis
- ZI
zona incerta |
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Keywords: | Somatosensory cortex Claustrum Putamen Thalamus Monkey |
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