Dierct: cortical projections excite the striatum (direct), striatum inhibits GPI, GPI inhibition releases thalamic neurons from inhibition, allowing them to fire, MOVEMENT, Indirect: cortical projections excite the striatum (indirect), striatum inhibits GPE, decrease in activity of GPE results i less inhibition of the subthalamic nucleus, subthalamic nuclei are disinhibited and excite GPI, GPI make increased inhibitory connections with the thalamus, thalamus cannot excite the cortex, NO MOVEMENT,

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