Diencephalon and Cerebrum Flashcards
Nucleus of Darkschewitsch
- Level of Posterior Commissure
Function:
- control of eye movements
Input:
- superior colliculus
Output:
- nuclei of eye muscles
Interstitial Nucleus of Cajal
- Level of Posterior Commissure
Function:
- control of eye movements
Input:
- superior colliculus
Output:
- Nuclei of eye muscles
Pretectal Area
- Level of Posterior Commissure
Function:
- Pupillary light reflex pathway
Input:
- Retina (Ipsi & Contra)
Output:
- Ipsi. & contra. Edinger Westphal nucleus
Medial Geniculate Nucleus
Function:
- hearing
Input:
- inferior colliculus via brachium
Output:
- auditory cortex
Lateral Geniculate Nucleus
- Level of Posterior Commissure
- Level of Posterior Thalamus
Function:
- Vision
Input:
- retina (ispi. & contra) via optic nerve, chiasm, tract
Output:
- ipsi. striate cortex
Pulvinar Nucleus
- Level of Posterior commissure
- Level of Posterior Thalamus
Function:
- vision (attention)
Input:
- retina, striate cortex, superior colliculus
Output:
- extrastriate & striate cortex
Posterior Commissure Tract
- Level of Posterior Commissure
Function:
- pupillary light reflex
Input:
- pretectal area
Output:
- Edinger Westphal nucleus
Medial Lemniscus Tract
- Level of Posterior Commissure
Function:
- contra. tactile & proprioception
Input:
- contra. gracile & cuneate nucleus
Output:
- ipsi. VPL of thalamus
Spinothalamic Tract
- Level of Posterior Commissure
Function:
- contra. pain and temp
Input:
- contra. substantia gelatinosa or dorsal funicular gray
Output:
- Ipsi. VPL of thalamus
Trigeminothalamic Tract
- Level of Posterior Commissure
Function:
- tacticle & proprioception, pain & temp, face
Input:
- principal and spinal trigeminal nuclei
Output:
- VPM of Thalamus
Optic Tract;
- Level of Posterior Commissure
- Level of Posterior Thalamus
- Level of Mammillary Bodies
Function:
- Vision
Input:
- contra. nasal, ipsi. temporal retina
Output:
- LGN, Superior colliculus
Brachium of Inferior Colliculus
- Level of Posterior Commissure
Function:
- hearing
Input:
- inferior colliculus
Output:
- Medial Geniculate
Ventral Posterolateral (VPL) nucleus of thalamus
- Level of Posterior Thalamus
Function:
- Somatosensory (body)
Input:
- ipsi. medial lemniscus & spinothalamic
Output:
- Primary somatosensory cortex
Ventral Posteromedial (VPM) Nucleus of Thalamus
- Level of Posterior Thalamus
Function:
- Somatosensory (head)
Input;
- ipsi. trigeminothalamic tract
Output:
- Primary somatosensory cortex
Centromedian
- Level of Posterior Thalamus
Function:
- Motor
Input:
- basal ganglia
Output:
- basal ganglia
Red Nucleus
- Level of Posterior Thalamus
Function:
- contra. motor
Input:
- cerebral cortex and cerebellum
Output:
- rubrospinal tract
Substantia Nigra
- Level of Posterior Thalamus
- Level of Mammillary Bodies
Function:
- contra. motor
Input:
- basal ganglia
Output:
- basal ganglia
Internal Capsule (corona radiata) Tract
- Level of Posterior Thalamus
- Level of Mammillary Bodies
Function:
- motor, sensory
Input:
- thalamus
Output:
- cortex
Cerebellorubrothalamic (Superior Cerebellar Peduncle)
- Level of Posterior Thalamus
Function:
- motor
Input:
- contra. deep nuclei of cerebellum
Output:
- Ipsi. red nucleus, VL thalamus
Corpus Callosum Tract
- Level of Posterior Thalamus
- Level of Mammillary Bodies
- Level of Optic Chiasm
Function:
- vision
Input:
- striate cortex
Output:
- contra. striate cortex
**In Optic Chiasm Tract
Function:
- somatosensory, motor
Input:
- frontal lobe, parietal lobe
Output:
-frontal lobe, parietal lobe
Fornix Tract
- Level of Posterior Thalamus
- Level of Mammillary Bodies
Function:
- memory, emotions
Input:
- hippocampus
Output:
- hypothalamus (mammillary body)
Optic Radiations
- Level of Posterior Thalamus
Function:
- Vision
Input:
- ipsi. LGN
Output:
- ipsi. striate cortex
Anterior Nuclear Group of Thalamus
- Level of Mammillary Bodies
Function:
- emotions (limbic)
Input:
- ipsi. mammillothalamic tract
Output:
- cingulate gyrus
Ventral Lateral Nucleus of Thalamus
- Level of Mammillary Bodies
Function:
- motor relay
Input:
- cerebellum, basal ganglia
Output:
- motor cortex
Posterior Hypothalamus
- Level of Mammillary Bodies
Function:
- endocrine function, limbic, ANS
Input:
- CSF (cerebral spinal fluid)
Output:
- pituitary, brainstem
Mamillary Bodies
- Level of Mammillary Bodies
Function:
- limbic system such as emotions
Input:
- fornix
Output:
- mammillothalamic tract to anterior nuclear group of the thalamus
Subthalamic Nucleus
- Level of Mammillary Bodies
Function:
- motor control
Input:
- ipsi. basal ganglia
Output:
- ipsi. Basal ganglia
Caudate, Putamen, Globus Pallidus
- Level of Mammillary Bodies
- Level of Optic Chiasm
Function:
- motor
Input:
- cerebral cortex
Output:
- ipsi. ventral lateral nucleus of thalamus
Amygdala
- Level of Mammillary Bodies
Function:
- emotion
Input:
- olfactory areas, hypothalamus, cingulate
Output:
- hypothalamus, cingulate
Hippocampus
- Level of Mammillary Bodies
Function:
- Memory, emotion
Input:
- other cerebral cortex, hypothalamus
Output:
- hypothalamus via fornix
Parahippocampal gyrus
- Level of Mammillary Bodies
Function:
- olfactory, emotion
Input:
- olfactory bulb, hypothalamus
Output:
- hypothalamus
Cingulate Gyrus
- Level of Mammillary Bodies
Function:
- memory, emotion
Input:
- anterior nuclear group of the thalamus, hypothalamus
Output:
- other cerebral cortex, hypothalamus
Mammillothalamic
- Level of Mammillary Bodies
Function:
- memory, emotion
Input:
- mamillary
Output:
- anterior nuclei group of the thalamus
Hypothalamus Nuclei
- Level of Optic Chiasm
Function:
- emotion
Input:
- hippocampus
Output;
- pituitary
Septal Nuclei
- Level of Optic Chiasm
Function:
- limbic, olfaction
Input:
- fornix
Output:
- hypothalamus
Internal Capsule Tract
- Level of Optic Chiasm
Function:
- Motor, sensory
Input:
- cortex
Output:
- cortex
Optic Chiasm
- Level of Optic Chiasm
Function:
- Vision
Input:
- divide chiasm, ipsi lateral retina for all 3 parts
- outer chiasm - temp. retina ipsi
- inner - nasal retina
Output:
- 2 outer - ipis. LGN
- middle - contra. LGN
Anterior Commissure
- Level of Optic Chiasm
Function:
- limbic structure, emotion or memory
Input:
- temporal lobes
Output:
- temporal lobes
