TB9 BB Lecture 2; How do we control a movement?

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  • Created by: mint75
  • Created on: 02-05-16 14:56

1. The subthalamic nucleus and globus pallidus/substantia nigra share?

  • Excitatory connections
  • Both excitatory and inhibitory connections
  • Inhibitory connections
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2. What connection type does GABA facilitate?

  • Modulatory connections
  • Inhibitory connections
  • Excitatory connections

3. Which of these is the circuit for receiving input?

  • Frontal motor areas --> pons --> cerebellar cortex
  • Cerebellar cortex --> deep cereb nuclei --> superior cereb penduct --> ventrolateral PMC

4. What is the stretch reflex?

  • Gravity acts on a muscle. Receptors output to spinal cord to say muscle has been stretched. Loop back to muscle, gravity effects counteracted.
  • Gravity acts on a muscle. Receptors output to brainstem to say muscle has been stretched. Loop back to muscle, gravity effects counteracted.

5. What connection type does glutamate facilitate?

  • Excitatory connections
  • Inhibitory connections
  • Modulatory connections

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