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Dorsal “Thalamus”

Dorsal “Thalamus”. Medical Neuroscience Dr. Wiegand. The Diencephalon. Interthalamic adhesion. Thalamus. Epithalamus (Pineal & Habenula). Hypothalamus. Pituitary. Subthalamus. The Diencephalon. The “Dorsal” Thalamus. Sensory integration nucleus – gateway to the cerebral cortex

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Dorsal “Thalamus”

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  1. Dorsal “Thalamus” Medical Neuroscience Dr. Wiegand

  2. The Diencephalon

  3. Interthalamic adhesion Thalamus Epithalamus (Pineal & Habenula) Hypothalamus Pituitary Subthalamus The Diencephalon

  4. The “Dorsal” Thalamus • Sensory integration nucleus – gateway to the cerebral cortex • Afferents from both rostral and caudal central nervous system structures • Efferents primarily to cerebral cortex via four principal “radiations” • Associated with motor, sensory, limbic and vegetative functions

  5. External medullary lamina Anterior n. 3rd Ventricle Internal capsule Internal capsule Lateral n. Medial n. * Reticular n. Internal medullary lamina * Interthalamic adhesion

  6. medial nuclei anterior nuclei internal medullary lamina lateral nuclei General Organization

  7. dorsal tier pulvinar geniculate bodies ventral tier

  8. externalmedullary lamina Frontal Section intralaminar nuclei reticular nuclei 3rd Ventricle externalmedullary lamina internalmedullary lamina

  9. Thalamic Nuclei • Anterior • Lateral • Dorsal Tier • lateral dorsal • lateral posterior • pulvinar • Ventral Tier • ventral anterior • ventral lateral • ventral posterior (VLP & VPM) • posterior nucleus

  10. Thalamic Nuclei • Medial • medial/medial dorsal • midline nuclei • Pulvinar • Geniculate bodies • Reticular • Intralaminar • centromedian • parafasciular

  11. Specific Sensory Nuclei

  12. Specific Cortical Relay Nuclei

  13. Specific Association Nuclei

  14. Non-Specific Nuclei

  15. Caudate Nucleus Internal Capsule Lentiform Nuclei Thalamus

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