BrainAreaLRC

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Motor Reflex Area

Home -> BiologicalLifeResearch -> BrainAreaLRC

Local Circuits

(generated)

ID Name Regions
LGP Gait and Posture Control LRC.MM.CNF, LRC.MM.SCNF
LLP Vestibulocerebellar Locomotion LRC.HL.RF.SLRN, LRC.HT.CR.FG, LRC.HT.CR.FN, LRC.HT.CR.VM
LRB Breathing and Swallowing Reflexes LRC.HL.RA, LRC.HL.TGS.PA5, LRC.HT.KFN, LRC.HT.NSC, LRC.HT.PRF.CRF, LRC.HT.PRF.PVR
LRF Frontal Visual Reflexes LRC.MM.CJ, LRC.MM.DSCH, LRC.MM.RIMLF, LRC.MM.RP.RIP
LRM Multisensory Orienting Reflexes LRC.MM.EIC, LRC.MM.SC.DEEP, LRC.MM.SC.INT
LRP Postural Control Reflexes LRC.HL.INM, LRC.HL.NPH, LRC.HL.PRF.GCR, LRC.HL.RF.MED, LRC.HT.PRF.RPO, LRC.MM.PT.PR
LRV Direct Visual Reflexes LRC.MM.PT.NOT, LRC.MM.PT.PON, LRC.MM.PT.PTA, LRC.MM.PT.SL, LRC.MM.SC.SUP

Gait and Posture Control

unavailable

Component ID Component Name Type Service Function Comments
LRC.MM.CNF Cuneiform Nucleus nucleus LLE Passive coping strategy to novel, painful or threatening stimuli modulatory nucleus; medial part of midbrain RF
LRC.MM.SCNF Subcuneiform Nucleus nucleus LLE Initiation of gait, feedback control of saccade accuracy contributes to generation of estimate of target or
eye position coded in craniotopic coordinates

Internal Region Connections:

  • no connections

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Subcortical
LPC LRC.MM.CNF LPC.SC.PH.CL Clarke Nucleus nucleus-nucleus (unknown reference)
LRC LRC.MM.SCNF LRC.HL.NPH Prepositus Nucleus nucleus-nucleus (unknown reference)
LRC.HL.PRF.GCR Gigantocellular Reticular Nucleus nucleus-nucleus (unknown reference)
LRC.MM.RP.RIP Raphe Interpositus Nucleus nucleus-nucleus (unknown reference)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Subcortical
LAC LRC.MM.CNF LAC.HL.VGN Vagus Nucleus nucleus-nucleus (unknown reference)
LMC LRC.MM.SCNF LMC.HL.RP.MG Raphe Magnus Nucleus nucleus-nucleus (unknown reference)
LMC.HP.RP.PRN Pontine Raphe Nucleus nucleus-nucleus (unknown reference)
LRC LRC.MM.CNF LRC.HL.PRF.GCR Gigantocellular Reticular Nucleus nucleus-nucleus (unknown reference)
LRC.HT.KFN Kolliker-Fuse Nucleus nucleus-nucleus (unknown reference)

Vestibulocerebellar Locomotion

unavailable

Component ID Component Name Type Service Function Comments
LRC.HL.RF.SLRN Lateral Reticular Nucleus, Subtrigeminal nucleus LLI vestibular input from lateral vestibular nucleus to
vestibulocerebellum
LRC.HT.CR.FG Fastigual Nucleus nucleus LLC rostral - interprets body motion and places it on spatial planes to estimate
movement of body through space; caudal - saccadic eye movements
LRC.HT.CR.FN Cerebellar Flocconodular Lobe nucleus LLC regulates balance projects to VBM, VBS; equilibrium; tunes balance
(stance and gait), from VBM,VBS via MVST to trunk
extensors
LRC.HT.CR.VM Cerebellar Vermis cortex LLC balance and spatial orientation, gait projects to VBL; equilibrium; tunes balance (stance
and gait) and VOR, from VBL to pRF and mRF via LVST
to limb extensors

Internal Region Connections:

Source Region Target Region Type Reference
LRC.HL.RF.SLRN LRC.HT.CR.FN nucleus-nucleus (unknown reference)
LRC.HT.CR.VM LRC.HT.CR.FG allocortex-nucleus-gaba Cerebellum functional divisions (CRV -> FG)

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Subcortical
LLC LRC.HT.CR.FG LLC.HT.CR.PV Cerebellar Paravermis allocortex-nucleus Cerebellum functional divisions (CRS -> FG)
LRC.HT.CR.FN LLC.HT.PRF.RTMG Pontine Reticulotegmental Nucleus nucleus-nucleus-gaba (unknown reference)
LRC.HT.CR.VM LLC.HL.IO Inferior Olivary Nucleus nucleus-allocortex Cerebellum functional divisions (IO -> CRV)
LLC.HT.PRF.RTMG Pontine Reticulotegmental Nucleus nucleus-allocortex-gaba (unknown reference)
LPC LRC.HL.RF.SLRN LPC.HT.LVBN Lateral Vestibular Nucleus nucleus-nucleus (unknown reference)
LRC.HT.CR.FN LPC.HT.IVBN Inferior Vestibular Nuclei nucleus-nucleus (unknown reference)
LPC.PN.SG.SVB Vestibular Ganglion - Saccule Neurons ganglion-nucleus (unknown reference)
LRC.HT.CR.VM LPC.HT.MVBN Medial Vestibular Nucleus nucleus-allocortex Cerebellum functional divisions (VB -> CRV, abstract)
LPC.SC.IZ.CCV Central Cervical Nucleus nucleus-allocortex (unknown reference)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Subcortical
LPC LRC.HT.CR.FG LPC.HT.LVBN Lateral Vestibular Nucleus nucleus-nucleus Cerebellum functional divisions (FG -> VB, abstract)
LRC.HT.CR.FN LPC.HT.MVBN Medial Vestibular Nucleus nucleus-nucleus-gaba (unknown reference)
LPC.HT.SVBN Superior Vestibular Nucleus nucleus-nucleus-gaba (unknown reference)
LRC LRC.HT.CR.FG LRC.HT.PRF.CRF Caudal Pontine Reticular Nucleus nucleus-nucleus Cerebellum functional divisions (FG -> RF, abstract)
LRC.MM.PT.PR Principal Pretectal Nucleus nucleus-nucleus (unknown reference)

Breathing and Swallowing Reflexes

unavailable

Component ID Component Name Type Service Function Comments
LRC.HL.RA Retroambigualis Nucleus nucleus LRM Groups of premotor interneurons producing detailed motor actions Different combination of activation of these
premotor neurons determines vocalization, vomiting,
coughing, sneezing, mating posture, or child
delivery; ventral respiratory group
LRC.HL.TGS.PA5 Paratrigeminal Nucleus nucleus LRS Orofacial nociceptive sensory processing Somatosensory reflex, site for nociceptive inputs
from sciatic innervation field
LRC.HT.KFN Kolliker-Fuse Nucleus nucleus LRM Control of protruder tongue muscles contraction to maintain respiration To hypoglossal nucleus and phrenic nucleus; pontine
respiratory group = KFN + Medial PBN
LRC.HT.NSC Nucleus Subceruleus nucleus LRM Tongue control To hypoglossal nucleus; A7 group
LRC.HT.PRF.CRF Caudal Pontine Reticular Nucleus nucleus LRM Mediate head movements Grinding of the teeth in sleep, projections from
superior colliculus, to spinal cord, extends to
facial
LRC.HT.PRF.PVR Parvocellular Reticular Nucleus nucleus LRM Flow of respiratory current out of organism Projects to facial nucleus, hypoglossal nucleus and
parabrachial nucleus

Internal Region Connections:

Source Region Target Region Type Reference
LRC.HT.KFN LRC.HL.RA nucleus-nucleus (unknown reference)

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Cortical
NCP LRC.HL.TGS.PA5 NCP.NC.PG.S1 Primary Somatosensory Cortex neocortex-nucleus (unknown reference)
NMA LRC.HT.PRF.CRF NMA.NC.MC Motor Cortex neocortex-nucleus Motor neurons control (CTX -> PRF, abstract)
NMA.NC.SMC.F3 Supplementary Motor Area neocortex-nucleus Motor neurons control (CTX -> PRF, abstract)
Subcortical
FEC LRC.HT.PRF.PVR FEC.FT.SNC.MED Substantia Nigra Pars Compacta Medial nucleus-nucleus-DA (unknown reference)
LMC LRC.HL.RA LMC.MM.PAG Periaqueductal Gray Matter nucleus-nucleus-ENK (unknown reference)
LRC.HT.NSC LMC.MM.PAG Periaqueductal Gray Matter nucleus-nucleus-ENK (unknown reference)
LPC LRC.HL.RA LPC.HL.SOL Solitary Nucleus nucleus-nucleus (unknown reference)
LRC.HT.KFN LPC.HL.SOL Solitary Nucleus nucleus-nucleus (unknown reference)
LRC.HT.PRF.CRF LPC.HT.IVBN Inferior Vestibular Nuclei nucleus-nucleus Vestibulo-ocular reflex (VOR) (VestibularNuclei -> PPRF, abstract)
LRC LRC.HT.KFN LRC.MM.CNF Cuneiform Nucleus nucleus-nucleus (unknown reference)
LRC.HT.PRF.CRF LRC.HT.CR.FG Fastigual Nucleus nucleus-nucleus Cerebellum functional divisions (FG -> RF, abstract)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Subcortical
FMM LRC.HT.NSC FMM.FT.HC.DG Dentate Gyrus nucleus-allocortex (unknown reference)
LPC LRC.HL.RA LPC.HL.AMB Ambiguus Nucleus nucleus-nucleus (unknown reference)
LPC.SC.VH.ONF Onuf's Nucleus nucleus-nucleus (unknown reference)
LPC.SC.VH.PHR Phrenic Nucleus nucleus-nucleus (unknown reference)
LRC.HL.TGS.PA5 LPC.HT.FCM Facial Motor Nucleus nucleus-nucleus (unknown reference)
LRC.HT.KFN LPC.HL.HYG Hypoglossal Motor Nucleus nucleus-nucleus (unknown reference)
LRC.HT.NSC LPC.HL.HYG Hypoglossal Motor Nucleus nucleus-nucleus (unknown reference)
LRC.HT.PRF.CRF LPC.HL.AMB Ambiguus Nucleus nucleus-nucleus Vocal Control (RF -> NucleusAmbiguus, abstract)
LPC.HL.HYG Hypoglossal Motor Nucleus nucleus-nucleus Vocal Control (RF -> NucleusXII, abstract)
LPC.HT.FCM Facial Motor Nucleus nucleus-nucleus Vocal Control (RF -> MotorVII, abstract)
LPC.HT.TRM Trigeminal Motor Nucleus nucleus-nucleus Vocal Control (RF -> MotorV, abstract)
LRC.HT.PRF.PVR LPC.HT.FCM Facial Motor Nucleus nucleus-nucleus Vocal Control (RF -> MotorVII, abstract)
LPC.HT.TRM Trigeminal Motor Nucleus nucleus-nucleus Vocal Control (RF -> MotorV, abstract)

Frontal Visual Reflexes

unavailable

Component ID Component Name Type Service Function Comments
LRC.MM.CJ Cajal Nucleus nucleus LRM Integration of head and eye movements, controls downward vertical gaze Projects to CN3, CN4 nuclei, rotation of body about
its long axis, Project to vestibular nuclei
LRC.MM.DSCH Darkschewitsch Nucleus nucleus LRM Mediate the consensual pupillary light reflex Light in one eye results in pupil changes in
another eye
LRC.MM.RIMLF Rostral Interstitial Nucleus of MLF nucleus LRM Integration of head and eye movements, controls upward vertical gaze
LRC.MM.RP.RIP Raphe Interpositus Nucleus nucleus LUS Premotor network for saccades Gate activity of burst neurons for vertical and
horizontal saccades; omnipause neurons, part of
PPRF

Internal Region Connections:

  • no connections

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Cortical
NPE LRC.MM.CJ NPE.NC.IPS.LIP Lateral Intraparietal Sulcus neocortex-nucleus Vision Components (VAC -> SOA, abstract)
NPE.NC.OCC.V3D Dorsal Associative Visual Cortex neocortex-nucleus Eye blink reflex and pupillary light reflex (VAC -> SupraOculomotor, abstract)
NPE.NC.PMC.AFEF Anterior Frontal Eye Field neocortex-nucleus Summary of eye movement control (FEF -> riMLF, abstract)
LRC.MM.DSCH NPE.NC.PMC.AFEF Anterior Frontal Eye Field neocortex-nucleus (unknown reference)
LRC.MM.RIMLF NPE.NC.IPS.LIP Lateral Intraparietal Sulcus neocortex-nucleus Vision Components (VAC -> SOA, abstract)
NPE.NC.OCC.V3D Dorsal Associative Visual Cortex neocortex-nucleus Eye blink reflex and pupillary light reflex (VAC -> SupraOculomotor, abstract)
LRC.MM.RP.RIP NPE.NC.SMC.SEF Supplementary Eye Field neocortex-nucleus Horizontal saccades and smooth pursuit movements (FEFSEF -> RIP, abstract)
Subcortical
LLC LRC.MM.DSCH LLC.HT.CR.GN Globose Nucleus nucleus-nucleus (unknown reference)
LPC LRC.MM.CJ LPC.HL.VCOCH Ventral Cochlear Nucleus nucleus-nucleus (unknown reference)
LRC.MM.DSCH LPC.HT.MVBN Medial Vestibular Nucleus nucleus-nucleus (unknown reference)
LRC LRC.MM.CJ LRC.MM.SC.DEEP Deep Superior Colliculus nucleus-nucleus Summary of eye movement control (SC -> riMLF, abstract)
LRC.MM.RP.RIP LRC.MM.SC.SUP Superficial Superior Colliculus nucleus-nucleus Horizontal saccades and smooth pursuit movements (SC -> RIP, abstract)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Subcortical
LAC LRC.MM.DSCH LAC.MM.EWN Edinger-Westphal Nucleus nucleus-nucleus Eye blink reflex and pupillary light reflex (SupraOculomotor -> EWN, abstract)
LLC LRC.MM.DSCH LLC.HL.IO Inferior Olivary Nucleus nucleus-nucleus (unknown reference)
LPC LRC.MM.CJ LPC.MM.OCN Oculomotor Nucleus nucleus-nucleus Eye blink reflex and pupillary light reflex (SupraOculomotor -> Oculomotor, abstract)
LPC.MM.TRH Trochlear Nucleus nucleus-nucleus (unknown reference)
LRC.MM.RIMLF LPC.MM.OCN Oculomotor Nucleus nucleus-nucleus Eye blink reflex and pupillary light reflex (SupraOculomotor -> Oculomotor, abstract)
LRC LRC.MM.RP.RIP LRC.HT.PRF.RPO Oral Pontine Reticular Nucleus nucleus-nucleus Horizontal saccades and smooth pursuit movements (RIP -> PPRF, abstract)
LRC.MM.SCNF Subcuneiform Nucleus nucleus-nucleus (unknown reference)

Multisensory Orienting Reflexes

unavailable

Component ID Component Name Type Service Function Comments
LRC.MM.EIC External Nucleus of Inferior Colliculus nucleus LSC Middle ear reflex
LRC.MM.SC.DEEP Deep Superior Colliculus nucleus LRC Head and eye attention to non-visual stimuli Receive many types of input and project to numerous
motor-related brain areas
LRC.MM.SC.INT Intermediate Superior Colliculus nucleus LRC Sensimotor integration for orienting Receive GABA from SNpr to gate integration

Internal Region Connections:

Source Region Target Region Type Reference
LRC.MM.EIC LRC.MM.SC.INT nucleus-nucleus Five Parallel Auditory Pathways (ICx -> SC, abstract)
LRC.MM.SC.INT LRC.MM.SC.DEEP nucleus-nucleus Global visual system (SCs -> SCi, abstract)

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Cortical
NPE LRC.MM.SC.INT NPE.NC.PMC.AFEF Anterior Frontal Eye Field neocortex-nucleus Summary of eye movement control (FEF -> SC, abstract)
Subcortical
FEC LRC.MM.SC.INT FEC.FT.SNR.DL Substantia Nigra Pars Reticulata Dorsolateral nucleus-nucleus-gaba Global visual system (SNr -> SCi, abstract)
FEC.FT.SNR.VL Substantia Nigra Pars Reticulata Ventrolateral nucleus-nucleus-gaba Saccadic Vision (BG -> SCi, abstract)
FEC.HT.TG.IPD Interpeduncular Nucleus nucleus-nucleus-ACh (unknown reference)
LLC LRC.MM.SC.DEEP LLC.HT.CR.GN Globose Nucleus nucleus-nucleus (unknown reference)
LRC.MM.SC.INT LLC.HT.BPN Basilar Pontine Nuclei nucleus-nucleus (unknown reference)
LLC.HT.CR.EN Emboliform Nucleus nucleus-nucleus (unknown reference)
LMC LRC.MM.SC.INT LMC.HT.TG.PPN Pedunculopontine Tegmental Nuclei nucleus-nucleus Geniculate and Extyrageniculate Paths (PPN -> SC, abstract)
LPC LRC.MM.EIC LPC.MM.CIC Central Nucleus of Inferior Colliculus nucleus-nucleus Five Parallel Auditory Pathways (ICC -> ICx, abstract)
LRC.MM.SC.INT LPC.HL.CU Cuneate Nucleus nucleus-nucleus (unknown reference)
LPC.HL.GR Gracile Nucleus nucleus-nucleus (unknown reference)
LPC.HL.TGS.STR Spinal Trigeminal Nucleus nucleus-nucleus (unknown reference)
LRC LRC.MM.SC.INT LRC.MM.SC.SUP Superficial Superior Colliculus nucleus-nucleus Global visual system (SCs -> SCi, abstract)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Cortical
NCP LRC.MM.SC.INT NCP.FD.TH.LI Limitans Nucleus of Thalamus nucleus-nucleus Saccadic Vision (SCi -> Thalamus, abstract)
NMA LRC.MM.SC.INT NMA.FD.TH.VA Ventral Anterior Nucleus nucleus-nucleus Saccadic Vision (SCi -> Thalamus, abstract)
NSA LRC.MM.SC.INT NSA.FD.TH.SG Suprageniculate Nucleus of Thalamus nucleus-nucleus Saccadic Vision (SCi -> Thalamus, abstract)
Subcortical
FEC LRC.MM.SC.DEEP FEC.FT.SNC.LT Substantia Nigra Pars Compacta Lateral nucleus-nucleus Global visual system (SCi -> SNc, abstract)
FMM LRC.MM.SC.INT FMM.FD.TH.AD Anterodorsal Nucleus nucleus-nucleus Global visual system (SCi -> ATH, abstract)
LLC LRC.MM.SC.DEEP LLC.HT.PRF.RTMG Pontine Reticulotegmental Nucleus nucleus-nucleus Geniculate and Extyrageniculate Paths (SC -> RF, abstract)
LRC.MM.SC.INT LLC.HT.PRF.RTMG Pontine Reticulotegmental Nucleus nucleus-nucleus Geniculate and Extyrageniculate Paths (SC -> RF, abstract)
LPC LRC.MM.SC.DEEP LPC.HT.ABD Abducens Nucleus nucleus-nucleus Retina and superior colliculus targets (SC -> Abducens, abstract)
LPC.MM.OCN Oculomotor Nucleus nucleus-nucleus Retina and superior colliculus targets (SC -> Oculomotor, abstract)
LPC.MM.TRH Trochlear Nucleus nucleus-nucleus Retina and superior colliculus targets (SC -> Trochlear, abstract)
LPC.SC.VH.SAN Spinal Accessory Nucleus nucleus-nucleus (unknown reference)
LRC LRC.MM.SC.DEEP LRC.HT.PRF.RPO Oral Pontine Reticular Nucleus nucleus-nucleus Summary of eye movement control (SC -> PPRF, abstract)
LRC.MM.CJ Cajal Nucleus nucleus-nucleus Summary of eye movement control (SC -> riMLF, abstract)

Postural Control Reflexes

unavailable

Component ID Component Name Type Service Function Comments
LRC.HL.INM Intercalated Nucleus of Medulla nucleus LRC Coordinate tongue movements, vestibuloocular reflex Receives sensory inputs from neck region
LRC.HL.NPH Prepositus Nucleus nucleus LLE Integrate PPRF phasic signal to provide tonic signal of abducens Part of horizontal gaze holding system
LRC.HL.PRF.GCR Gigantocellular Reticular Nucleus nucleus LRM Vasodepressor center Projects to hypoglossal nucleus, abducens;
medullary (lateral) reticulospinal tract; excite
trunk flexors, inhibit extensors; stimulation
induces inspiration
LRC.HL.RF.MED Central Medullary Reticular Nucleus nucleus LLE Somatic motor control, cardiovascular control, pain modulation, sleep and
consciousness, habituation
LRC.HT.PRF.RPO Oral Pontine Reticular Nucleus nucleus LRM Mediation of changing to and from REM sleep Part of horizontal gaze center, projects to spinal
cord and abducens; excites spinal extensors,
inhibit flexors
LRC.MM.PT.PR Principal Pretectal Nucleus nucleus LRM Pupillary light reflex Affected by visual cortex and projects to EWN

Internal Region Connections:

Source Region Target Region Type Reference
LRC.HL.NPH LRC.HL.INM nucleus-nucleus (unknown reference)
LRC.HL.PRF.GCR LRC.HL.RF.MED nucleus-nucleus (unknown reference)

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Cortical
NMA LRC.HL.PRF.GCR NMA.NC.SMC.F3 Supplementary Motor Area neocortex-nucleus Motor neurons control (CTX -> MRF, abstract)
NPE LRC.HL.PRF.GCR NPE.NC.PMC.AFEF Anterior Frontal Eye Field neocortex-nucleus Motor neurons control (CTX -> MRF, abstract)
LRC.HT.PRF.RPO NPE.NC.BRA.PO Broca's Area Pars Opercularis neocortex-nucleus Motor neurons control (CTX -> PRF, abstract)
NPE.NC.PMC.AFEF Anterior Frontal Eye Field neocortex-nucleus Motor neurons control (CTX -> PRF, abstract)
NSA LRC.HT.PRF.RPO NSA.NC.IT.TE Inferotemporal Cortex neocortex-nucleus Saccades and smooth movements (TEF -> DLPN, abstract)
Subcortical
LMC LRC.HL.NPH LMC.HT.TG.LDT Laterodorsal Tegmental Nucleus nucleus-nucleus-ACh Head Direction Cell Circuit (DTN -> NPRP)
LPC LRC.HL.INM LPC.HT.MVBN Medial Vestibular Nucleus nucleus-nucleus (unknown reference)
LRC.HL.NPH LPC.HT.MVBN Medial Vestibular Nucleus nucleus-nucleus Head Direction Cell Circuit (MVSN -> NPRP)
LRC.HL.PRF.GCR LPC.HL.TGS.STR Spinal Trigeminal Nucleus nucleus-nucleus (unknown reference)
LRC LRC.HL.PRF.GCR LRC.MM.CNF Cuneiform Nucleus nucleus-nucleus (unknown reference)
LRC.HT.PRF.RPO LRC.MM.RP.RIP Raphe Interpositus Nucleus nucleus-nucleus Horizontal saccades and smooth pursuit movements (RIP -> PPRF, abstract)
LRC.MM.SC.DEEP Deep Superior Colliculus nucleus-nucleus Summary of eye movement control (SC -> PPRF, abstract)
LRC.MM.PT.PR LRC.HT.CR.FG Fastigual Nucleus nucleus-nucleus (unknown reference)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Cortical
NSA LRC.HL.NPH NSA.FD.TH.SG Suprageniculate Nucleus of Thalamus nucleus-nucleus Head Direction Cell Circuit (NPRP -> SUPGEN)
Subcortical
FAM LRC.HT.PRF.RPO FAM.HT.TG.NI Incertus Nucleus nucleus-nucleus (unknown reference)
LAC LRC.HL.INM LAC.FD.HT.PN Posterior Hypothalamic Nucleus nucleus-nucleus (unknown reference)
LRC.MM.PT.PR LAC.MM.EWN Edinger-Westphal Nucleus nucleus-nucleus Eye blink reflex and pupillary light reflex (Pretectum -> EWN, abstract)
LLC LRC.HT.PRF.RPO LLC.HT.CR.CC Cerebellar Lateral Lobe nucleus-allocortex Saccades and smooth movements (DLPN -> CR, abstract)
LMC LRC.HL.NPH LMC.HT.TG.LDT Laterodorsal Tegmental Nucleus nucleus-nucleus (unknown reference)
LRC.HL.RF.MED LMC.HT.LC Locus Coeruleus nucleus-nucleus (unknown reference)
LPC LRC.HL.PRF.GCR LPC.SC.VH.PL Posterolateral Nucleus nucleus-nucleus Motor neurons control (MRF -> EGMN, abstract)
LPC.SC.VH.PM Posteromedial Nucleus nucleus-nucleus Motor neurons control (MRF -> EGMN, abstract)
LRC.HL.RF.MED LPC.SC.VH.VM Ventromedial Nucleus nucleus-nucleus Motor neurons control (MRF -> EGMN, abstract)
LRC.HT.PRF.RPO LPC.HT.ABD Abducens Nucleus nucleus-nucleus Vestibulo-ocular reflex (VOR) (PPRF -> Abducens, abstract)
LPC.HT.IVBN Inferior Vestibular Nuclei nucleus-nucleus (unknown reference)
LPC.MM.OCN Oculomotor Nucleus nucleus-nucleus Global visual system (RF -> OPN, abstract)
LPC.SC.VH.SAN Spinal Accessory Nucleus nucleus-nucleus Cerebellum functional divisions (RF -> SCM, abstract)
LPC.SC.VH.VL Ventrolateral Nucleus nucleus-nucleus Cerebellum functional divisions (RF -> SCM, abstract)
LPC.SC.VH.VM Ventromedial Nucleus nucleus-nucleus Cerebellum functional divisions (RF -> SCM, abstract)
LRC LRC.HL.NPH LRC.MM.PT.NOT Nucleus of Optic Tract nucleus-nucleus (unknown reference)
LRC.MM.SCNF Subcuneiform Nucleus nucleus-nucleus (unknown reference)
LRC.HL.PRF.GCR LRC.MM.SCNF Subcuneiform Nucleus nucleus-nucleus (unknown reference)

Direct Visual Reflexes

unavailable

Component ID Component Name Type Service Function Comments
LRC.MM.PT.NOT Nucleus of Optic Tract nucleus LRS Encode retinal error information during smooth pursuit eye movements Guide motor learning during horizontal SP;
ipsilateral horizontal ocular pursuit
LRC.MM.PT.PON Pretectal Olivary Nucleus nucleus LRS Pupillary light reflex and modulating subcortical nuclei involved in circadian
rhythms 		Primary visual centre, involved in the pupillary
light reflex, receives retinal input
LRC.MM.PT.PTA Anterior Pretectum Nucleus nucleus LLI Mediate somatosensory and nociceptive information 3 parallel flows from MC, anterior interpositus
nucleus of TH, GR to dorsal accessory IO
LRC.MM.PT.SL Sublentiform Nucleus nucleus LRS Accomodation reflex Combines visual cortex and retinal input to project
to OCN, receives retinal input
LRC.MM.SC.SUP Superficial Superior Colliculus nucleus LRC Head and eye attention to visual stimuli Receive input primarily from the visual system and
show primarily visual responses

Internal Region Connections:

Source Region Target Region Type Reference
LRC.MM.PT.NOT LRC.MM.SC.SUP nucleus-nucleus (unknown reference)

External Inbound Region Connections:

Source Area Local Region Source Region Source Name Type Reference
Cortical
NPE LRC.MM.SC.SUP NPE.NC.IPL.MST Medial Superior Temporal Area neocortex-nucleus Global visual system (ParietalCortex -> SCi, abstract)
NPE.NC.IPS.LIP Lateral Intraparietal Sulcus neocortex-nucleus Summary of eye movement control (PEF -> SC, abstract)
NSA LRC.MM.PT.NOT NSA.FD.LGN Lateral Geniculate Nucleus nucleus-nucleus (unknown reference)
LRC.MM.PT.SL NSA.NC.OCC.V1 Primary Visual Cortex neocortex-nucleus (unknown reference)
LRC.MM.SC.SUP NSA.NC.OCC.V1 Primary Visual Cortex neocortex-nucleus Global visual system (VisualCortex -> SCs, abstract)
NSA.NC.OCC.V2TN Secondary Visual Cortex, Thin Stripe neocortex-nucleus Global visual system (VisualCortex -> SCs, abstract)
Subcortical
LAC LRC.MM.PT.NOT LAC.FD.HT.SCN Suprachiasmatic Nucleus nucleus-nucleus (unknown reference)
LPC LRC.MM.PT.NOT LPC.FD.RT Retinal Nucleus nucleus-nucleus Targets of retina neurons (Retina -> Pretectum, abstract)
LRC.MM.PT.PON LPC.FD.RT Retinal Nucleus nucleus-nucleus Effect of light on pupil diameter (RET -> OPN)
LRC.MM.PT.SL LPC.FD.RT Retinal Nucleus nucleus-nucleus Targets of retina neurons (Retina -> Pretectum, abstract)
LRC.MM.SC.SUP LPC.FD.RT Retinal Nucleus nucleus-nucleus Geniculate and Extyrageniculate Paths (Retina -> SC, abstract)
LRC LRC.MM.PT.NOT LRC.HL.NPH Prepositus Nucleus nucleus-nucleus (unknown reference)

External Outbound Region Connections:

Target Area Local Region Target Region Target Name Type Reference
Cortical
NPE LRC.MM.PT.PTA NPE.FD.TH.LP Lateral Posterior Nucleus of Thalamus nucleus-nucleus (unknown reference)
NPE.FD.TH.MPV Medial Pulvinar nucleus-nucleus (unknown reference)
LRC.MM.PT.SL NPE.FD.TH.LP Lateral Posterior Nucleus of Thalamus nucleus-nucleus (unknown reference)
NPE.FD.TH.MPV Medial Pulvinar nucleus-nucleus (unknown reference)
LRC.MM.SC.SUP NPE.FD.TH.LP Lateral Posterior Nucleus of Thalamus nucleus-nucleus Thalamocortical relationships (sLP -> LP, abstract)
NSA LRC.MM.PT.PON NSA.FD.LGN Lateral Geniculate Nucleus nucleus-nucleus (unknown reference)
LRC.MM.SC.SUP NSA.FD.LGN Lateral Geniculate Nucleus nucleus-nucleus Global visual system (SCs -> LGN, abstract)
NSA.FD.TH.IPV Inferior Pulvinar nucleus-nucleus Global visual system (SCs -> Pulvinar, abstract)
NSA.FD.TH.LPV Lateral Pulvinar nucleus-nucleus Global visual system (SCs -> Pulvinar, abstract)
Subcortical
FEC LRC.MM.PT.PTA FEC.FD.STN.ICD Subthalamic Nucleus Internal Caudal nucleus-nucleus (unknown reference)
LAC LRC.MM.PT.PON LAC.MM.EWN Edinger-Westphal Nucleus nucleus-nucleus Effect of light on pupil diameter (OPN -> EW)
LRC.MM.PT.SL LAC.MM.EWN Edinger-Westphal Nucleus nucleus-nucleus Eye blink reflex and pupillary light reflex (Pretectum -> EWN, abstract)
LPC LRC.MM.PT.SL LPC.MM.OCN Oculomotor Nucleus nucleus-nucleus (unknown reference)
LRC LRC.MM.SC.SUP LRC.MM.RP.RIP Raphe Interpositus Nucleus nucleus-nucleus Horizontal saccades and smooth pursuit movements (SC -> RIP, abstract)
LRC.MM.SC.INT Intermediate Superior Colliculus nucleus-nucleus Global visual system (SCs -> SCi, abstract)

Thirdparty Circuits

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References

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