BrainRegionLRC MM SC INT
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Intermediate Superior Colliculus
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This page covers biological details of component Intermediate Superior Colliculus. Region is part of aHuman target integrated biological model.
- Top-down path to region: Midbrain Mesencephalon -> Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) -> Visual Reflexes Nuclei of Midbrain Mesencephalon (MM.REF.VIS) -> Superior Colliculus (MM.SC) -> Intermediate Superior Colliculus (LRC.MM.SC.INT) (see Mind Maps)
- Type: nucleus
- Brain area: Lower Brain - Motor Reflex Area
- Role: processor.automatic
- Function: Sensimotor integration for orienting
- Notes to function: Receive GABA from SNpr to gate integration
(generated)
Components
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Component items:
- Stratum Griseum Intermediale, Lamina IV (VBA.MM.SC.SGI)
- Stratum Album Intermediale, Lamina V (VBA.MM.SC.SAI)
Connectivity
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Inbound Region Connections:
| Source Area | Source Region | Source Name | Type | Reference |
| FEC | FEC.FT.SNR.DL | Substantia Nigra Pars Reticulata Dorsolateral | inhibitory-gaba | Global visual system (SNr -> SCi, abstract) |
| FEC.FT.SNR.VL | Substantia Nigra Pars Reticulata Ventrolateral | inhibitory-gaba | Saccadic Vision (BG -> SCi, abstract) | |
| FEC.HT.TG.IPD | Interpeduncular Nucleus | modulatory-ach | (unknown reference) | |
| LLC | LLC.HT.BPN | Basilar Pontine Nuclei | excitatory-glu | (unknown reference) |
| LLC.HT.CR.EN | Emboliform Nucleus | excitatory-glu | (unknown reference) | |
| LMC | LMC.HT.TG.PPN | Pedunculopontine Tegmental Nuclei | excitatory-glu | Geniculate and Extyrageniculate Paths (PPN -> SC, abstract) |
| LPC | LPC.HL.CU | Cuneate Nucleus | excitatory-glu | (unknown reference) |
| LPC.HL.GR | Gracile Nucleus | excitatory-glu | (unknown reference) | |
| LPC.HL.TGS.STR | Spinal Trigeminal Nucleus | excitatory-glu | (unknown reference) | |
| LRC | LRC.MM.EIC | External Nucleus of Inferior Colliculus | excitatory-glu | Five Parallel Auditory Pathways (ICx -> SC, abstract) |
| LRC.MM.SC.SUP | Superficial Superior Colliculus | excitatory-glu | Global visual system (SCs -> SCi, abstract) | |
| NPE | NPE.NC.PMC.AFEF | Anterior Frontal Eye Field | excitatory-glu | Summary of eye movement control (FEF -> SC, abstract) |
Outbound Region Connections:
| Target Area | Target Region | Target Name | Type | Reference |
| FMM | FMM.FD.TH.AD | Anterodorsal Nucleus | excitatory-glu | Global visual system (SCi -> ATH, abstract) |
| LLC | LLC.HT.PRF.RTMG | Pontine Reticulotegmental Nucleus | excitatory-glu | Geniculate and Extyrageniculate Paths (SC -> RF, abstract) |
| LRC | LRC.MM.SC.DEEP | Deep Superior Colliculus | excitatory-glu | Global visual system (SCs -> SCi, abstract) |
| NCP | NCP.FD.TH.LI | Limitans Nucleus of Thalamus | excitatory-glu | Saccadic Vision (SCi -> Thalamus, abstract) |
| NMA | NMA.FD.TH.VA | Ventral Anterior Nucleus | excitatory-glu | Saccadic Vision (SCi -> Thalamus, abstract) |
| NSA | NSA.FD.TH.SG | Suprageniculate Nucleus of Thalamus | excitatory-glu | Saccadic Vision (SCi -> Thalamus, abstract) |
Thirdparty Circuits
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- Saccadic Vision - see Reference
References
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