Muji Book Flashcards
3 functions of Reticular formation:
- alertness via ARAS
- control of movement
- visceral and involuntary actions e.g cardiac resp centres
Internal arcuate fibres to medial lemniscus contain fibres from the..
Gracile and cuneate nucleus
Spinal lemniscus has fibres from the
Spinothalamic and spinomesencephalic tracts
Medial lemniscus terminates at
VP nucleus then to S1
3 things about dorsal spinocerebellar tract
- uncrossed
- from Clarke’s column to ICP
- lower limb proprioception
Ventral spinocerebellar tract, 3 things:
- crossed
- originates in lumbrosacral enlargement
- fibres ascend in pons to SCP
What does accessory cuneate nucleus do?
- cuneocerebellar fibres
- neck and upper limb proprioception
- enter cerebellum via ICP
Inferior olivary complex has mainly..
Input from contra dorsal horn of all spinal cord levels
Input from ipsi red nucleus
And cortex
Nuclei Raphe Magnus
Inhibits pain (5HT)
6
SMA
13,16
Insular cx
20-21-22
Inf-midd-sup temporal gurus
27
Piriform cx
28
Entorhinal cx
30-33
Cingulate cx
37
Fusiform gyrus
39
40
Angualar
Supra marginal
41,42
A1
43
Gustatory cx in solitary nucleus
44
45
Opercularis
Triangularis
Lesions that cause apraxia
- left parietal posterior cx
- SLF
- left frontal
- genu of corpus callousness
purkinje output uses NT……. to project to the……
GABA to the dentate and cerebellar nuclei
upper sulcus limitans neuromelanin discouloration gives the name
substantia fenuginea
What 2 hypothalamic nuclei are important for REM sleep?
VLPO and VMPO