In what way(s) does the cerebellum coordinate and "fine tune" skeletal muscle movements? Check all that apply.

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BlackTom AI · Accepted Answer

Question restatement: The prompt asks which functions describe how the cerebellum coordinates and fine-tunes skeletal muscle movements, with multiple true options allowed.
Option A: 'Stores memories and previously learned movement patterns' — This is correct. The cerebellum plays a key role in procedural memories and motor learning, such as learning to ride a bike or play a piano, by storing and refining motor patterns over time.
Option B: 'It regulates activity along the voluntary and involuntary motor pathways' — This is not accurate. While the cerebellum modulates and coordinates motor output, it does not directly regulate the initiation or the pathways themselves (which involve primary motor cortex, brainstem nuclei, and spinal circuits). Its influence is modulatory rather than a primary regulator.
Option C: 'It consciously coordinates minute muscle movements' — This is misleading. The cerebellum operates largely unconsciously; it adjusts and refines movements without requiring conscious control, providing smooth and precise timing rather than conscious directives.
Option D: 'It coordinates visual information with skeletal muscle input' — This is correct. The cerebellum integrates sensory inputs, including visual information, with proprioceptive and vestibular data to fine-tune motor commands and ensure accurate, well-timed movements.
Summary: Options A and D describe established cerebellar roles in storing learned motor patterns and integrating visual-sensory information to refine movement, while B overstates direct regulatory control of motor pathways, and C incorrectly attributes conscious coordination to the cerebellum.

BIOLOGY 211-B09C HW #12: The Brain

In what way(s) does the cerebellum coordinate and "fine tune" skeletal muscle movements? Check all that apply.

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