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14 Cards in this Set
- Front
- Back
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What makes up the striatum?
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Caudate
Nucleus Accumbens Putamen |
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What makes up the lenticular nucleus?
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Putamen
Globus Pallidus (external + internal) |
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What are the major nuclei of the basal ganglia?
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Caudate
Putamen Globus Pallidus (external + internal) Nucleus Accumbens Substantia Nigra (compact + reticular) Subthalamic Nuclei |
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What are the two parts of the substantia nigra?
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1) compact
2) reticular |
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What defines the compact substantia nigra?
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More distal from cerebellar peduncle. Pigmented neurons. They are modulatory dopamingeric neurons which have projections to other parts of the basal ganglia
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what defines the reticular substantia nigra?
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Closer to the cerebellar peduncle. Non-pigmented. Forms one of the basal ganglia output nuclei.
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Inputs reaching the basal ganglia from cerebral cortex can synapse on what four nuclei?
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1) Caudate
2) Putamen 3) Subthalamic Nuclei 4) Nucleus Accumbens |
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Outputs of the basal ganglia project from .....
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The internal segment of the globus pallidus and the reticular part of the substantia nigra and project to the thalamus which projects back to the cortex
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Projections from the association cortex emphasize the...
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Caudate Nucleus
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Projections from the sensorimotor cortex emphasize the ....
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putamen
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Projections from the limbic areas emphasize the... (nucleus)
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Nucleus accumbens
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What does an fMRI look like of a patient with Huntington's Disease
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Caudate and Putamen is smaller and the anterior horn of the lateral ventricle has expanded to take up some of this room.
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What causes Parkinson's Disease?
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Death of dopaminergic neurons in the substantia nigra
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Treatments for Parkinsons?
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L-DOPA
Unilateral Pallidotomy |
