Exam 2 week 7 Thalamic Nudei Chart Flashcards by Laura Beth Thomas

Q

LGB

A

Lateral Geniculate Body

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Q

VL

A

Ventral Lateral Nucleus

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Q

A

A

Anterior Nucleus

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Q

DM

A

Dorsomedial Nucleus

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Q

MGB

A

Medial Geniculate Body

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Q

LP

A

Lateral Posterior Nucleus

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Q

CM

A

Centromedian Nucleus (an interlaminar nucleus)

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Q

P

A

Pulvinar Nucleus

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Q

VPM

A

Ventral Posteromedial Nucleus

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Q

IL

A

Interlaminar Nucleus (I think??)

I know it is one of the interlaminar nuclei

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Q

VPL

A

Ventral Posteriolateral Nucleus

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Q

R

A

Reticular Nucleus

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Q

VA

A

Ventral Anterior Nucleus

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Q

LD

A

Lateral Dorsal Nucleus

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Q

how many sensory relay nuclei are there?

A

3

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Q

List the Sensory Nuclei

(where is the line?)

A

Everything VPL & LP and posterior (in Lateral Division)

Relay (ventral)

VPL
VPM
MGB
LGB

Association (dorsal)

P
LP

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Q

List the Motor Nuclei?

A

Relay (Ventral through VL)

VA
VL

Q

List tthe Limbic Nuclei

A

Relay (anterior and Lateral dorsal)

A
LD

Association (medial)

DM

Q

List the Diffuse cortically Porjecting Nuclei

A

Both Interlaminar

CM
IL

Q

List the Regulatory

A

Outside the normal nucleus

Regulatory

Q

how many types of Relay Nuclei are there? (name the types)

A

Limbic
Motor
Sensory

Q

List the Relay Nuclei

A

Anterior Division & First nucleus of the Lateral Dorsal portion

Limbic

A
DL

The Entire Lateral Ventral portion

Motor

VA
VL

Sensory

VPL
VPM
MGB
LBB

(the entire Lateral Ventral Division)

Q

How many types of Association Nuclei are there? (name the types)

A

Limbic
Sensory

Q

Name the Association Nuclei

A

Medial Division

Limbic

Dorsomedial

Posterior 2 nuclei of the Lateral Dorsal portion

Sensory

P
LP

How many types of regulatory nuclei?

Just one type and one nuclei: R

How may types of Diffuse Cortically Projecting nuclei?

Just one type Two nuclei, both interlaminar IL & CM

**VPL** Type: Principle Input: COrtical Ouput:

VPL Type: Sensory Relay Principle Input: Medial Lemniscus & Spinothalamic Tracts COrtical Ouput: Somatosensory cortex - post-central gyrus

**VPM** Type: Principle Input: Cortical Ouput:

VPM Type: Sensory Relay Principle Input: Trigeminothalamic Tract Cortical Ouput: Somatosensory cortex - post-central gyrus

MGB Type: Principle Input: Cortical Ouput:

MGB Type: Sensory Relay Principle Input: Auditory via Inferior Colliculus Cortical Ouput: Auditory cortex - superior temporal gyrus

LGB Type: Principle Input: Cortical Ouput:

LGB Type: Sensory Relay Principle Input: Visual via optic tract Cortical Ouput: Visual cortex - occipital lobe

VA Type: Principle Input: Cortical Ouput:

VA Type: Motor Relay Principle Input: Basal Nuclei (gangila) Cortical Ouput: Motor cortex - frontal lobe

VL Type: Principle Input: Cortical Ouput:

VL Type: Motor Relay Principle Input: Cerebellum Cortical Ouput: Motor cortex - frontal lobe

A Type: Principle Input: Cortical Ouput:

A Type: Relay Limbic Principle Input: Mamillothalamic tract & hippocampus Cortical Ouput: Limbic cortex - cingulate gyrus

LD Type: Principle Input: Cortical Ouput:

LD Type: Limbic Relay Principle Input: Hippocampus Cortical Ouput: Limbic cortex - Cingulate gyrus

P Type: Principle Input: Cortical Ouput:

P Type: Association Sensory Principle Input: Parietal, temporal & occipital lobes & visual system Cortical Ouput: Parietal, temporal & occipital lobes & visual system

LP Type: Principle Input: Cortical Ouput:

LP Type: Sensory Association Principle Input: Parietal lobe Cortical Ouput: parietal lobe

DM Type: Principle Input: Cortical Ouput:

DM Type: Limbic Association Principle Input: Prefontal cortex, olfactory & limbic structures (amygdala) Cortical Ouput: Prefrontal cortex

IL Type: Principle Input: Cortical Ouput:

IL (same as DM) Type: Diffuse cortically Projecting Principle Input: Frontal & parietal cortex, basal nuclei, cerebellum, spinal cord & reticular formation Cortical Ouput: Widespread areas of cerebral cortex and striatum of basal nuclei

CM Type: Principle Input: Cortical Ouput:

CM (same as IL) Type: Diffuse cortically Projecting Principle Input: Frontal & parietal cortex, basal nuclei, cerebellum, spinal cord & reticular formation Cortical Ouput: Widespread areas of cerebral cortex and striatum of basal nuclei

R Type: Principle Input: Cortical Ouput:

R Type: Regulatory Principle Input: Collaterals of the thalamocortical & corticothalamic axons Cortical Ouput: none - intra-thalamic