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Direct and indirect basal ganglia pathways

  • -

    inputs from substantia nigra upon the direct pathway are _________

upon caudate/putamen because they act through ______________ _________________.

  • -

    inputs from substantia nigra upon the indirect pathway are

inhibitory upon caudate/putamen because they act through

.

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Because the basal ganglia receives inputs from multiple cortical areas, it is believed that the system helps mediate higher order cognitive aspects of motor control - ex. fine tuning, initiation, and termination of muscle sequences.

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