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8 Cards in this Set
- Front
- Back
What are the major contents of the epithalamus?
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Habenular nuclei and pineal gland
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What is the significance of the synchronicity of the firing of thalamocortical and corticothalamic fibers?
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synchronized oscillations = awake
non-synchronized oscillations = sleep/coma |
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What nuclei make up the ventral tier of the lateral thalamus?
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V. anterior: globus pallidus to premotor cortex
V. lateral: dentate nucleus to pre/motor cortex VPL: sense of body to sensory cortex VPM: sense of head to sensory cortex |
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What are the contents of the metathalamus?
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medial and lateral geniculate nuclei
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What are the diffuse projection nuclei of the thalamus?
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Intralaminar nuclei - slow pain arousal
Centromedian nucleus - motor cortex and basal ganglia Reticular nucleus - inhibitory action, non-REM sleep Midline nuclei - emotion, memory, autonomics |
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What is the role of the subthalamic nucleus?
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initiate and control movement
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Functions of the hypothalamus?
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homeostasis: blood-sugar, water balance, body temp
motivated behaviors circadian rhythms |
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What are the fiber bundles of the hypothalamus?
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Medial forebrain bundle
Stria terminalis and ventral amygdalofugal pathway Fornix Mammillothalamic tract |