BrainCenterFAM FT SEP
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Septal Nuclei
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This page covers biological details of component group Septal Nuclei. Component group is part of aHuman target integrated biological model.
- Top-down path to center: Forebrain Telencephalon -> Extended Amygdala (FAM.FT.EXTAM) -> Septal Nuclei (FAM.FT.SEP) (see Mind Maps)
- Function: Inhibition of fear and expression of pleasurable responses
(generated)
Components
(generated)
Component items:
- Dorsal Septal Nucleus (FAM.FT.SEP.DS)
- Lateral Septal Group (FAM.FT.SEP.LG)
- Lateral Septal Nucleus (FAM.FT.SEP.LT): promote active stress coping behavior
- Septohippocampal Nucleus (FAM.FT.SEP.SH): participate in solving conflict between two or more competing goals, defensive circuit
- Medial Septal Group (FAM.FT.SEP.MG)
- Medial Septal Nucleus (FAM.FT.SEP.MED): affect HC for spatial learning, generation of theta waves
- Diagonal Band of Broca (FAM.FT.SEP.DBB): involved in generation of theta waves in hippocampus
- Lateral Septal Group (FAM.FT.SEP.LG)
- Posterior Septal Group (FAM.FT.SEP.PG)
- Bed Nucleus of Anterior Commissure (FAM.FT.SEP.BAC): projection to contralateral HC
- Septofimbrial Nucleus (FAM.FT.SEP.SF): afferent to medial habenula, primary input to indirect encoding negative feedback
- Triangular Septal Nucleus (FAM.FT.SEP.TR): afferent to medial habenula, interpeduncular nucleus
Connectivity
(generated)
Internal Regions Connections:
- no connections
External Connections:
External Inbound Center Connections:
| Source Center | Reference |
| Amygdala (FAM.FT.AM) | (unknown reference) |
| Central Extended Amygdala (FAM.FT.CEAM) | (unknown reference) |
| Hippocampal Formation (HBA.FT.HF) | Attractor Network in Hippocampus (CA1 -> SEP, abstract) |
| Pontine Reticular Formation (HP.RF) | (unknown reference) |
| Pontine Tegmental Nuclei (HP.TG) | (unknown reference) |
| Hypothalamus (HTA.FD.HT) | Medial mammillary nucleus and theta rhythm (SupraMM -> SEP, abstract) |
| Mesencephalic Reticular Formation (MM.RF) | (unknown reference) |
| Orbitomedial Prefrontal Cortex (NC.AL.OMPFC) | (unknown reference) |
External Outbound Center Connections:
| Target Center | Reference |
| Habenula (FAM.FD.HB) | Habenula Connections (S -> MHb, abstract) |
| Thalamus (FD.TH) | (unknown reference) |
| Hippocampal Formation (HBA.FT.HF) | Medial mammillary nucleus and theta rhythm (SEP -> HF, abstract) |
| Hypothalamus (HTA.FD.HT) | Cingulate Gyrus (SEP -> HT, abstract) |
| Orbitomedial Prefrontal Cortex (NC.AL.OMPFC) | (unknown reference) |
| Medial Parietal Lobule (NC.MPL) | Medial mammillary nucleus and theta rhythm (SEP -> RSP, abstract) |
