Flashcards in Motor Systems: Modulation of Movement by the Cerebellum Deck (36):
The function of the cerebellum is to detect the difference, or ____, between intended movement and actual movement.
The cerebellum influences ____ to reduce motor error.
upper motor neurons
The cerebellum does not initiate movement but it contributes to ____, ____, and ____.
The cerebellum receives input from sensory systems of the spinal cord and from other parts of the brain, integrating these inputs to ____.
fine tune motor activity
Damage to the cerebellum does not cause paralysis, but instead produces disorders in ____, ____, ____, and ____.
The cerebellar cortex is composed of the ____, ____ and ____.
The deep cerebellar nuclei are composed of ____, ____ and ____.
The cerebellar peduncles are composed of ____, ____ and ____.
The cerebrocerebellum receives inputs from the ____.
The cerebrocerebellum is responsible for producing ____ and planning and execution of ____.
spatial and temporal sequences (incl. speech)
The spinocerebellum receives inputs from the ____.
The lateral spinocerebellum controls movements of ____ muscles while the medial side (____) controls ____ muscles and ____.
The vestibulocerebellum receives inputs from the ____.
The ____ are folds in the cortical mantle of the cerebellum
The superior cerebellar peduncles are ____, the middle ____, and the inferior ____.
The pontine nuclei relays inputs from the cortex and superior colliculus via the ____.
middle cerebellar peduncles
The infereior olive relays inputs from the spinal cord and brainstem via the ____.
inferior cerebellar peduncle
Inputs from the motor, premotor, and association cortices lead to the cerebrocerebellum via the ____.
Auditory and visual signals lead to the ____.
Vestibular inputs come from ____.
Output from the cerebellar cortex goes to ____ and then (via ____) to the thalamus, which controls ____.
deep cerebellar nuclei
superior cerebellar peduncle
upper motor neurons in the cortex
Descending outputs from deep cerebellar nuclei to the brainstem control ____.
axial and proximal limb musculature (posture)
The 3 layers of the cerebellar cortex are the ____, ____ and ____.
Purkinje cells use the neurotransmitter ____.
Local circuit neurons in the cerebellum consist of ____, ____, ____ and ____ cells.
Granule (>1/2 of all neurons in entire brain)
Mossy fibers come from ____.
Parallel fibers come from ____.
Climbing fibers wrap around ____ and come from the ____.
Purkinje cells are ____.
The climbing fiber transports the ____ to the cerebellum.
motor error signal
Climbing fibers are relevant for short-term ____ and long-term ____.
adaption (error control)
Parallel fibers evoke ____.
Climbing fibers evoke ____.
The spinocerebellum regulates ____.
body and limb movements
The vestibulocerebellum regulates ____.
balance and eye movements