Summary
Suggestive evidence as to the site of a major thalamic relay of the vestibular projection to the anterior suprasylvian (ASS) cortex in the cat has been obtained using the retrograde axonal transport of horseradish peroxidase. The thalamo-cortical neurons are located in several patches surrounding the posterior margins of the ventro-basal complex (VB). This area also was found to receive vestibulo-thalamic projections. It comprises different nuclear groups known to carry somatic, accoustic, visual or combined information, which possibly have certain functions related to kinaesthesia and body orientation in common.
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Abbreviations
- ANS:
-
ansate sulcus
- ASSS:
-
anterior suprasylvian sulcus
- CM, N:
-
centrum medianum
- CL, N:
-
centralis lateralis
- C.r:
-
Corpus restiformis
- D, N:
-
vestibularis descendens
- i.c., N:
-
intercalatus
- L, N:
-
vestibularis lateralis
- LD, N:
-
lateralis dorsalis
- LG, N:
-
geniculatus lateralis
- LP, N:
-
lateralis posterior
- M, N:
-
vestibularis medialis
- MG, N:
-
geniculatus medialis
- mcMG:
-
pars magnocellularis of MG
- MD, N:
-
medialis dorsalis
- N.c., N:
-
cuneatus
- N. in. VIII, N:
-
interstitialis of the VIIIth cranial nerve
- N. pr. V:
-
principal sensory trigeminal nucleus
- N. tr. sp. V:
-
nucleus of the spinal trigeminal tract
- p.h., N:
-
praepositus hypoglossi
- Pu:
-
pulvinar
- S, N:
-
vestibularis superior
- SG, N:
-
suprageniculatus
- VL, N:
-
ventralis lateralis
- VPL, N:
-
ventralis posterolateralis
- VPM, N:
-
ventralis posteromedialis
- VI, X, XII:
-
motor cranial nerve nuclei
- y, z:
-
small cell groups of Brodal and Pompeiano
References
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Supported by Deutsche Forschungsgemeinschaft, SFB 70
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Mergner, T., Deecke, L. & Wagner, H.J. Vestibulo-thalamic projection to the anterior suprasylvian cortex of the cat. Exp Brain Res 44, 455–458 (1981). https://doi.org/10.1007/BF00238841
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DOI: https://doi.org/10.1007/BF00238841