BrainCenterHT TG
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Pontine Tegmental Nuclei
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This page covers biological details of component group Pontine Tegmental Nuclei. Component group is part of aHuman target integrated biological model.
- Top-down path to center: Hindbrain Metencephalon -> Pontine Tegmental Nuclei (HT.TG) (see Mind Maps)
- Function:
(generated)
Components
(generated)
Component items:
- Incertus Nucleus (FAM.HT.TG.NI): Behavioural activation and the response to stress
- Ventral Tegmental Nucleus (LMC.HT.TG.VTG): moderates hippocampal-driven rhythmic firing frequency in medial mammillary
- Dorsal Tegmental Nucleus (LMC.HT.TG.DTG): accurate landmark navigation
- Laterodorsal Tegmental Nucleus (LMC.HT.TG.LDT): Modulating sustained attention or in mediating alerting responses
- Pedunculopontine Tegmental Nuclei (HT.TG.PPN): Provide sensory feedback to cerebral cortex; modulatory
- Rostromedial Tegmental Nucleus (FEC.HT.PPN.RMTG): locomotion - walking, running
- Interpeduncular Nucleus (FEC.HT.PPN.IPD): postural control, voluntary arm and eye movements
Connectivity
(generated)
Internal Regions Connections:
| Source Region | Target Region | Reference |
| Rostromedial Tegmental Nucleus (FEC.HT.PPN.RMTG) | Interpeduncular Nucleus (FEC.HT.PPN.IPD) | (unknown reference) |
| Laterodorsal Tegmental Nucleus (LMC.HT.TG.LDT) | (unknown reference) | |
| Laterodorsal Tegmental Nucleus (LMC.HT.TG.LDT) | Interpeduncular Nucleus (FEC.HT.PPN.IPD) | Head Direction Cell Circuit (DTN -> IPD) |
External Connections:
External Inbound Center Connections:
| Source Center | Reference |
| Subthalamus Area (BGA.FD.STA) | (unknown reference) |
| Basal Ganglia (BGA.FT.BG) | (unknown reference) |
| Habenula (FAM.FD.HB) | Habenula Connections (MHb -> IP) |
| Thalamus (FD.TH) | Head Direction Cell Circuit (SUPGEN -> DTN) |
| Myelencephalic Motor Nuclei (HL.MN) | (unknown reference) |
| Pontine Reticular Formation (HT.RF) | (unknown reference) |
| Hypothalamus (HTA.FD.HT) | Head Direction Cell Circuit (LMB -> DTN) |
External Outbound Center Connections:
| Target Center | Reference |
| Subthalamus Area (BGA.FD.STA) | (unknown reference) |
| Basal Ganglia (BGA.FT.BG) | (unknown reference) |
| Habenula (FAM.FD.HB) | (unknown reference) |
| Central Extended Amygdala (FAM.FT.CEAM) | (unknown reference) |
| Septal Nuclei (FAM.FT.SEP) | (unknown reference) |
| Thalamus (FD.TH) | Geniculate and Extyrageniculate Paths (PPN -> LGN, abstract) |
| Myelencephalic Motor Nuclei (HL.MN) | Head Direction Cell Circuit (DTN -> NPRP) |
| Myelencephalic Parasympathetic Nuclei (HL.PSN) | (unknown reference) |
| Hypothalamus (HTA.FD.HT) | (unknown reference) |
| Ventral Tegmental Area (LMC.MM.VTA) | Amygdala and its network (RMTG -> VTA) |
| Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) | Geniculate and Extyrageniculate Paths (PPN -> SC, abstract) |
| Rhinal Cortex (NC.PHA.RH) | (unknown reference) |
