FASC. DEITERS ASCENDENS 



GROUP I. Direct lesion ot ihe Vestibular) 



; Extirpation ot so cslled Flocculn 



ion R, N, Veslib. nnd ganglion vcnlrolc; proximal c^ndolinckion H ifestmetion 

 GROUP II. Indirect, Intramedullary, slight lesion of N. veslibularis, by shifting o 



Head turned loR, 



trolling 10 R.;withQ'f-: 



Regeneration on R. side: Tr. » 



: descending Ramus V and VIII ; V and VIIl r< 



. (moderately); nuc. 



R.: Nuc. commiss. post., corp. quad, ant,, corp. genie, lal. 

 R.: lateral to nuc commiss. post. (nuc. inlerslitisl.) cayali 

 Incision from L ganglion habcn. till R. Corp. quadr. ant. 

 R.: ExlirpBllon of ant lob, cerebell. (nuc. glob. Indus.) 

 R.. Nuc. Iriang. VIU, mic. intravcst. and medial group* (Fuse. 

 R.: Dorsal magnoccllular part of nuc. Dcit,, (also med. group and i 

 R.: Nuc, Bccbtcrcw and nuc. bracbii ponlls sup. 



GROUP 111. Exclusive ICBlon of vesllbulary 



- baglltal lesion: caudal medial of nuc. Deilcrs and hcmiscction of 

 eor<r(D 4) | 



: Sagitlal lesion: Deilcrs complcxcompletclycut oflraphe, and LfronlBl 1 U i 



md proximal pari degtneral 



^enrralian (oral pari) 



idly lakcn probably no o 



^ J^ ■""■■■' 



ccpl Vlll. Practically how. 



Diffuse, lateral 

 nuc. IV, except 1 



Mc=ern.-ph,iin; V tv-.\. ti>rp iiiia<l 3\\\ . lemniscus lat., Iract, opt, cpmmiwurn post, L: Monakmv's, pyr.i- 



Tetlo-spin.il iintal), PjTamid.il Iratl iiliBiisfi owing to lesion of medial part ol caps. int. R. :Mesencephalic 



Relrogrndc degeneration in arcal ot spi no- cerebellar trncti and corp. rcstlforme; medlo-talcrni part of 

 ems ant. I..: Hookl.lte bundle iRussell-Tliomos). 



Rubrospinal b. ; corp. tnipeioid. {oral part); descend V nuc; V roots {mot, and sens,) and medial fillet 

 Crus ccrebell. ad pontem and tegmentum weakened Deiters nuc. free. 

 I Wergert-Pal stain ; L. : Nuc. Gudden atrophied. A,L.B. atroph. till mcdull, region. Also mcs. fillet. Wei'gert.Pal stain. 

 :an hardly be considered responsible for the symptoms. Also 90, 91, 92, and 93, and the sagittal lesion in the vestibulary 



Rubro spinal and vestibulo-spinal b ; librae i 



x^ ^ I "■■ lLS'iik"'.:°p;! 





; Gowcre and Flvchsii 



i lUtrusanl.trecllJc 







0*<D Qx^ I "*■" "homas Probst), Hwm'^rrhaje fn n"'fmol.V 



V^ rt<Z R-: Mo'or and mesencephalic V root; rubro-spir 



^^^ O^y^ I R. and L; nuc, tecti and middle third part ot 



0\D ^^^\J " many degenerated cells; also boili' IV nuclei a 



(deep layer), R,: erus ccrcbclli ant. {medial 



globosv eras cercbelli med. and anl.; lormaL reticul. ponlls and 



ebell. med. and ant (with descending collaterals, 



(lateral part of) pyramidal tract; lateral fillet. 



Rubro-spinal and (lateral part of) pyramidal 



^'^^ (^ ' Protest's commissure. R.: nies.al (illct 



\^_ ^^ R : Rubro-spinal, Oower^ nnd (mesial part ol) 



V^ 0^ : part); ant and middle cn.s cerebclli. Ural 



v^ „--</ R, Pyramidal bundle, nuc, tr angul,, i 



R.: Pyramidal and mcsenccphalo-oliva 



parts of Deilers and Bechtcrcw nuclei uithin malacy 

 als — Thomas, Probst). R. nuc. IV full of degeneration. 



I 



