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8 Cards in this Set

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