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Thalamic Nuclei, as presented in NBio at Stanford

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Nucleus
Group
Type
Input
Output
Function
Anterior   Anterior   Diffuse projection   mammillary bodies, hippocampus   cingulate gyrus   memory formation  
🗑
Dorsal medial (DM)   Medial nuclear   Diffuse projection   olfactory cortex, amygdala   hypothalamus, cingulate and orbitofrontal cortex   emotional behavior  
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Centromedian (CM)   Intralaminar   -   globus pallidus (inhibitory)   caudate and putamen   modulation of basal ganglia  
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Other IL nuclei   Intralaminar   Diffuse projection   pontine and mesencephalic reticular formation   diffuse projections to frontal cortex and other thalamic nuclei   thalamic portion of ascending reticular activation system  
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Ventral anterior (VA)   Lateral nuclear   Relay   Basal Ganglia (GPi, SNr)   Primary, Pre and Supplementary motor cortex (areas 4 & 6)   motor relay. activation facilitates movement  
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Ventral lateral (VL)   Lateral nuclear   Relay   Basal Ganglia (GPi, SNr) & Cerebellum   Primary, Pre and Supplementary motor cortex (areas 4 & 6)   motor relay. activation facilitates movement  
🗑
Ventral posterolateral (VPL)   Lateral nuclear   Relay   cuneate, gracile nuclei, marginal zone and substantia gelatinosa   somatosensory cortex (areas 1,2,3)   somatosensory relay for body, relays info from ALS and DCML tracts  
🗑
Ventral posteromedial (VPM)   Lateral nuclear   Relay   spinal and principal nuclei of V, nucleus solitarius   somatosensory cortex (areas 1,2,3), taste cortex (area 43)   somatosensory relay for face, relays sensory info (from trigeminothalamic tract) and taste info  
🗑
Lateral dorsal (LD) and Lateral posterior (LP)   Lateral nuclear   Diffuse projection   sensory cortex, other thalamic nuclei   frontal, parietal and cingulate cortex   sensory and emotional info integration  
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LGN   Lateral nuclear   Relay   retina (60% feedback from cortex)   visual cortex (area 17), cuneate and lingual gyri via optic radiations   visual relay  
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MGN   Lateral nuclear   Relay   inferior colliculus (via brachium of the inferior colliculus)   auditory cortex (area 41), via auditory radiations   auditory relay  
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Pulvinar   Lateral nuclear   Diffuse projection   reciprocal input from all output areas, superior colliculus, primary visual cortex   parietal and temporal association areas   integration of sensory information, modulation of spatial attention (?)  
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Reticular   Reticular   Diffuse projection, but very different   sees copies ("collaterals") of all excitatory thalamocortical & corticothalamic projections   inhibitory output to thalamic nuclei from which input was received (only thalamic nucleus w/o projection to cortex & w/ inhibitory output)   regulate flow of info from thalamus to cortex, part of ascending reticular activating system, modulation of arousal & sleep, generation of oscillations (?)  
🗑


   

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Created by: grapealope
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