Neuroanatomy and Motor Control Systems Quiz
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Questions and Answers

Where is the primary motor cortex located?

  • Occipital lobe
  • Parietal lobe
  • Frontal lobe (correct)
  • Temporal lobe
  • Which system includes neuronal cell bodies in the cerebral cortex and their axons passing through the brainstem to the spinal cord?

  • Extrapyramidal system
  • Reticular formation
  • Pyramidal system (correct)
  • Somatosensory system
  • What is the major function of the primary motor cortex?

  • Processing visual information
  • Storing long-term memories
  • Regulating emotions
  • Converging cortical sensorimotor signals (correct)
  • What happens in the medulla regarding the pyramidal tract?

    <p>It decussates, crossing the midline</p> Signup and view all the answers

    How does the right cortical region control body movements?

    <p>By controlling the opposite side of the body</p> Signup and view all the answers

    What changes are observed in the primary motor cortex as a result of learning new skills?

    <p>Changes in electrical activity</p> Signup and view all the answers

    Damage to the posterior parietal association cortex can lead to deficits in which of the following?

    <p>Perception and memory of spatial relationships</p> Signup and view all the answers

    Which area of the brain is responsible for evaluating external stimuli and initiating reactions to them?

    <p>Dorsolateral prefrontal association cortex</p> Signup and view all the answers

    Which part of the brain integrates information about the original position of body parts that are to be moved and positions of external objects?

    <p>Posterior parietal association cortex</p> Signup and view all the answers

    Electrical stimulation of specific sites within which area of the brain can result in complex body movements?

    <p>Primary motor cortex</p> Signup and view all the answers

    The supplementary motor area is mainly responsible for:

    <p>Planning movements</p> Signup and view all the answers

    What is the function of the rubrospinal tract?

    <p>Regulates motor output</p> Signup and view all the answers

    Which part of the brain is responsible for guiding movement through inhibition?

    <p>Cerebellum</p> Signup and view all the answers

    What is a characteristic of the cerebellum?

    <p>It varies in size based on the range of cognitive tasks</p> Signup and view all the answers

    What is the main role of the extrapyramidal system?

    <p>Coordinating and modulating motor activity</p> Signup and view all the answers

    Which part of the brain receives information from the primary and secondary motor cortex?

    <p>Cerebellum</p> Signup and view all the answers

    What is a common symptom associated with the loss of proper motor control?

    <p>Difficulty in controlling movement direction and force</p> Signup and view all the answers

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