NERVOUS SYSTEM SPECIAL SENSE
CEREBELLUM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
intended movements with actual movements.
|
|
|
spinal cord activity with the activity of the cerebrum.
|
|
|
the incoming sensory stimuli with the outgoing sensory stimuli.
|
|
|
the right cerebellar hemisphere with the left cerebellar hemisphere.
|
Detailed explanation-1: -Basically, the cerebellum functions as a comparator and a coordinator. It compares movement intention with performance, and coordinates the equilibrium, posture, and muscle tone needed for smooth, coordinated motor activity.
Detailed explanation-2: -The cerebellum compares intended eye movement using efference copy with the actual movement of the eye, sensed with visual feedback, and makes adjustments in the efferent flow of innervation originating in supranuclear regions such as the vestibular nuclei.
Detailed explanation-3: -Cerebellum controls all aspects of movement starting from rate, range, force, and direction to termination of movement. Although functionally cerebellum has three lobes (vestibulo-, spino-and neocerebellum), they work in a coordinated manner, that means it acts as “comparator of a servo mechanism”.
Detailed explanation-4: -Coordination of voluntary movements. Most movements are composed of a number of different muscle groups acting together in a temporally coordinated fashion. One major function of the cerebellum is to coordinate the timing and force of these different muscle groups to produce fluid limb or body movements.