BrainAreaLRC
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Motor Reflex Area
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Contents
Local Circuits
(generated)
| ID | Name | Regions |
| LRB | Breathing and Swallowing Reflexes | LRC.HM.RA, LRC.HM.TGM.PA5, LRC.HP.PN.KFN, LRC.HP.PN.SC, LRC.HP.PRF.CRF, LRC.HP.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.HM.INM, LRC.HM.NPH, LRC.HM.RF.MED, LRC.HP.PRF.GCR, LRC.HP.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 |
Breathing and Swallowing Reflexes
| Component ID | Component Name | Type | Service | Function | Comments |
| LRC.HM.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.HM.TGM.PA5 | Paratrigeminal Nucleus | nucleus | LRS | Orofacial nociceptive sensory processing | Somatosensory reflex, site for nociceptive inputs from sciatic innervation field |
| LRC.HP.PN.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.HP.PN.SC | Nucleus Subceruleus | nucleus | LRM | Tongue control | To hypoglossal nucleus; A7 group |
| LRC.HP.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.HP.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.HP.PN.KFN | LRC.HM.RA | nucleus-nucleus | (unknown reference) |
External Inbound Region Connections:
| Source Area | Local Region | Source Region | Source Name | Type | Reference |
| Cortical | |||||
| NMA | LRC.HP.PRF.CRF | NMA.NC.MC | Motor Cortex | neocortex-nucleus | Global visual system (FrontalCortex -> RF, abstract) |
| NMA.NC.SMC.F3 | Supplementary Motor Area | neocortex-nucleus | Vocal Control (M2 -> RF, abstract) | ||
| NSA | LRC.HM.TGM.PA5 | NSA.NC.PG.S1 | Primary Somatosensory Cortex | neocortex-nucleus | (unknown reference) |
| Subcortical | |||||
| FEC | LRC.HP.PRF.PVR | FEC.FT.SNC.MED | Substantia Nigra Pars Compacta Medial | nucleus-nucleus-DA | (unknown reference) |
| LLC | LRC.HP.PN.KFN | LLC.MM.CNF | Cuneiform Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.HP.PRF.CRF | LLC.HP.CR.FN | Fastigual Nucleus | nucleus-nucleus | (unknown reference) | |
| LMC | LRC.HM.RA | LMC.MM.PAG | Periaqueductal Gray Matter | nucleus-nucleus-ENK | (unknown reference) |
| LRC.HP.PN.SC | LMC.MM.PAG | Periaqueductal Gray Matter | nucleus-nucleus-ENK | (unknown reference) | |
| LPC | LRC.HM.RA | LPC.HM.SOL | Solitary Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.HP.PN.KFN | LPC.HM.SOL | Solitary Nucleus | nucleus-nucleus | (unknown reference) | |
| LRC.HP.PRF.CRF | LPC.HP.IVBN | Inferior Vestibular Nuclei | nucleus-nucleus | Vestibulo-ocular reflex (VOR) (VestibularNuclei -> PPRF, abstract) |
External Outbound Region Connections:
| Target Area | Local Region | Target Region | Target Name | Type | Reference |
| Subcortical | |||||
| FMM | LRC.HP.PN.SC | FMM.FT.HC.DG | Dentate Gyrus | nucleus-allocortex | (unknown reference) |
| LPC | LRC.HM.RA | LPC.HM.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.HM.TGM.PA5 | LPC.HP.FCM | Facial Motor Nucleus | nucleus-nucleus | (unknown reference) | |
| LRC.HP.PN.KFN | LPC.HM.HYG | Hypoglossal Motor Nucleus | nucleus-nucleus | (unknown reference) | |
| LRC.HP.PN.SC | LPC.HM.HYG | Hypoglossal Motor Nucleus | nucleus-nucleus | (unknown reference) | |
| LRC.HP.PRF.CRF | LPC.HM.AMB | Ambiguus Nucleus | nucleus-nucleus | Vocal Control (RF -> NucleusAmbiguus, abstract) | |
| LPC.HM.HYG | Hypoglossal Motor Nucleus | nucleus-nucleus | Vocal Control (RF -> NucleusXII, abstract) | ||
| LPC.HP.FCM | Facial Motor Nucleus | nucleus-nucleus | Vocal Control (RF -> MotorVII, abstract) | ||
| LPC.HP.PTP.TRM | Trigeminal Motor Nucleus | nucleus-nucleus | Vocal Control (RF -> MotorV, abstract) | ||
| LRC.HP.PRF.PVR | LPC.HP.FCM | Facial Motor Nucleus | nucleus-nucleus | Vocal Control (RF -> MotorVII, abstract) | |
| LPC.HP.PTP.TRM | Trigeminal Motor Nucleus | nucleus-nucleus | Vocal Control (RF -> MotorV, abstract) |
Frontal Visual Reflexes
| 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:
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.HM.IO | Inferior Olivary Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.MM.RP.RIP | LLC.MM.SCNF | Subcuneiform 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.HP.PRF.RPO | Oral Pontine Reticular Nucleus | nucleus-nucleus | Horizontal saccades and smooth pursuit movements (RIP -> PPRF, abstract) |
Multisensory Orienting Reflexes
| 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 | |||||
| NMA | LRC.MM.SC.INT | NMA.NC.PMC.AFEF | Anterior Frontal Eye Field | neocortex-nucleus | Summary of eye movement control (FEF -> SC, abstract) |
| Subcortical | |||||
| FAM | LRC.MM.SC.INT | FAM.HP.PPN.IPD | Interpeduncular Nucleus | nucleus-nucleus-ACh | Geniculate and Extyrageniculate Paths (PPN -> SC, abstract) |
| FEC | LRC.MM.SC.INT | FEC.FT.SNR.VL | Substantia Nigra Pars Reticulata Ventrolateral | nucleus-nucleus-gaba | Saccadic Vision (BG -> SCi, abstract) |
| LLC | LRC.MM.SC.DEEP | LLC.HP.CR.GN | Globose Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.MM.SC.INT | LLC.HP.CR.FN | Fastigual Nucleus | nucleus-nucleus | (unknown reference) | |
| 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.HM.CU | Cuneate Nucleus | nucleus-nucleus | (unknown reference) | |
| LPC.HM.GR | Gracile Nucleus | nucleus-nucleus | (unknown reference) | ||
| LPC.HM.TGM.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:
Postural Control Reflexes
| Component ID | Component Name | Type | Service | Function | Comments |
| LRC.HM.INM | Intercalated Nucleus of Medulla | nucleus | LRC | Coordinate tongue movements, vestibuloocular reflex | Receives sensory inputs from neck region |
| LRC.HM.NPH | Prepositus Nucleus | nucleus | LLE | Integrate PPRF phasic signal to provide tonic signal of abducens | Part of horizontal gaze holding system |
| LRC.HM.RF.MED | Central Medullary Reticular Nucleus | nucleus | LLE | Somatic motor control, cardiovascular control, pain modulation, sleep and consciousness, habituation |
|
| LRC.HP.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.HP.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.HM.NPH | LRC.HM.INM | nucleus-nucleus | (unknown reference) |
| LRC.HP.PRF.GCR | LRC.HM.RF.MED | nucleus-nucleus | (unknown reference) |
External Inbound Region Connections:
| Source Area | Local Region | Source Region | Source Name | Type | Reference |
| Cortical | |||||
| NMA | LRC.HP.PRF.GCR | NMA.NC.PMC.AFEF | Anterior Frontal Eye Field | neocortex-nucleus | (unknown reference) |
| NMA.NC.SMC.F3 | Supplementary Motor Area | neocortex-nucleus | (unknown reference) | ||
| LRC.HP.PRF.RPO | NMA.NC.PMC.AFEF | Anterior Frontal Eye Field | neocortex-nucleus | Global visual system (FrontalCortex -> RF, abstract) | |
| NPE | LRC.HP.PRF.RPO | NPE.NC.BRA.PO | Broca's Area Pars Opercularis | neocortex-nucleus | Vocal Control (Broca -> RF, abstract) |
| NSA | LRC.HP.PRF.RPO | NSA.NC.IT.TE | Inferotemporal Cortex | neocortex-nucleus | Saccades and smooth movements (TEF -> DLPN, abstract) |
| Subcortical | |||||
| LLC | LRC.HP.PRF.GCR | LLC.MM.CNF | Cuneiform Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.MM.PT.PR | LLC.HP.CR.FN | Fastigual Nucleus | nucleus-nucleus | (unknown reference) | |
| LMC | LRC.HM.NPH | LMC.HP.TG.LDT | Laterodorsal Tegmental Nucleus | nucleus-nucleus-ACh | Head Direction Cell Circuit (DTN -> NPRP) |
| LPC | LRC.HM.INM | LPC.HP.MVBN | Medial Vestibular Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.HM.NPH | LPC.HP.MVBN | Medial Vestibular Nucleus | nucleus-nucleus | Head Direction Cell Circuit (MVSN -> NPRP) | |
| LRC.HP.PRF.GCR | LPC.HM.TGM.STR | Spinal Trigeminal Nucleus | nucleus-nucleus | (unknown reference) | |
| LRC | LRC.HP.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) |
External Outbound Region Connections:
| Target Area | Local Region | Target Region | Target Name | Type | Reference |
| Cortical | |||||
| NSA | LRC.HM.NPH | NSA.FD.TH.SG | Suprageniculate Nucleus of Thalamus | nucleus-nucleus | Head Direction Cell Circuit (NPRP -> SUPGEN) |
| Subcortical | |||||
| FAM | LRC.HP.PRF.RPO | FAM.HP.NI | Incertus Nucleus | nucleus-nucleus | (unknown reference) |
| LAC | LRC.HM.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.HM.NPH | LLC.MM.SCNF | Subcuneiform Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.HP.PRF.GCR | LLC.MM.SCNF | Subcuneiform Nucleus | nucleus-nucleus | (unknown reference) | |
| LRC.HP.PRF.RPO | LLC.HP.CR.CC | Cerebrocerebellum | nucleus-allocortex | Saccades and smooth movements (DLPN -> CR, abstract) | |
| LMC | LRC.HM.NPH | LMC.HP.TG.DTG | Dorsal Tegmental Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.HM.RF.MED | LMC.HP.LC | Locus Coeruleus | nucleus-nucleus | (unknown reference) | |
| LPC | LRC.HM.RF.MED | LPC.SC.VH.VM | Ventromedial Nucleus | nucleus-nucleus | (unknown reference) |
| LRC.HP.PRF.GCR | LPC.SC.VH.PL | Posterolateral Nucleus | nucleus-nucleus | (unknown reference) | |
| LPC.SC.VH.PM | Posteromedial Nucleus | nucleus-nucleus | (unknown reference) | ||
| LRC.HP.PRF.RPO | LPC.HP.ABD | Abducens Nucleus | nucleus-nucleus | Vestibulo-ocular reflex (VOR) (PPRF -> Abducens, abstract) | |
| LPC.HP.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 | Global visual system (RF -> SpinalCord, abstract) | ||
| LPC.SC.VH.VL | Ventrolateral Nucleus | nucleus-nucleus | Global visual system (RF -> SpinalCord, abstract) | ||
| LPC.SC.VH.VM | Ventromedial Nucleus | nucleus-nucleus | (unknown reference) | ||
| LRC | LRC.HM.NPH | LRC.MM.PT.NOT | Nucleus of Optic Tract | nucleus-nucleus | (unknown reference) |
Direct Visual Reflexes
| 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:
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 | Eye blink reflex and pupillary light reflex (Pretectum -> EWN, abstract) |
| 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
(generated)
- Saccades and smooth movements (unknown reference)
References
(generated)
