BrainRegionLRC MM RP RIP

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Raphe Interpositus Nucleus

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This page covers biological details of component Raphe Interpositus Nucleus. Region is part of aHuman target integrated biological model.

  • Top-down path to region: Midbrain Mesencephalon -> Mesencephalic Reticular Formation (MM.RF) -> Mesencephalic Reticular Formation, Midline Column (MM.RF.MID) -> Raphe Interpositus Nucleus (LRC.MM.RP.RIP) (see Mind Maps)
  • Type: nucleus
  • Brain area: Lower Brain - Motor Reflex Area
  • Role: processor.automatic
  • Function: Premotor network for saccades
  • Notes to function: Gate activity of burst neurons for vertical and horizontal saccades; omnipause neurons, part of PPRF




  • no child items defined



Inbound Region Connections:

Source Area Source Region Source Name Type Reference
LRC LRC.MM.SC.SUP Superficial Superior Colliculus excitatory-glu Horizontal saccades and smooth pursuit movements (SC -> RIP, abstract)
NPE NPE.NC.SMC.SEF Supplementary Eye Field excitatory-glu Horizontal saccades and smooth pursuit movements (FEFSEF -> RIP, abstract)

Outbound Region Connections:

Target Area Target Region Target Name Type Reference
LRC LRC.HT.PRF.RPO Oral Pontine Reticular Nucleus excitatory-glu Horizontal saccades and smooth pursuit movements (RIP -> PPRF, abstract)
LRC.MM.SCNF Subcuneiform Nucleus excitatory-glu (unknown reference)

Thirdparty Circuits


Bechterew=Pontine Reticulotegmental Nucleus,LLC.HT.PRF.RTMG
CR=Cerebellum,LLC.HT.CR (see Cerebellar Complex)
LGB=Lateral Geniculate Nucleus,NSA.FD.LGN
PPRF=Paramedian Pontine Reticular Formation,HT.PRF.PPRF (see Pontine Reticular Formation)
PrimaryVisual=Primary Visual Cortex,NSA.NC.OCC.V1
RIP=Raphe Interpositus Nucleus,LRC.MM.RP.RIP
SC=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon)
Striatum=Striatum,FEC.FT.ST (see Basal Ganglia)
Vestibular=Superior Vestibular Nucleus,LPC.HT.SVBN
VisualAssociation=Caudal Precuneus,NPE.NC.SPL.PG