18 Questions
Where is coordination largely controlled by?
Cerebellum
What is the nickname given to the Basal Ganglia?
Little brain
Which region of the cerebellum is associated with motor control in mammals?
Vermis
Which type of cells form a monolayer and are the sole output of the cerebellar cortex?
Purkinje cells
How many main regions are there in the cerebellum in mammals?
Three
What is the main type of input received by Purkinje cells from granule cells?
Parallel fibers
What is the main input to the inferior olive?
Climbing fibers
Which nuclei are mainly influenced by projections from the Fastigial Nucleus?
Vestibular nuclei
What is another name for the Globose and Emboliform nuclei?
Interposed Nuclei
Which tract is influenced by projections from the Fastigial Nucleus for balance and posture control?
Reticulospinal tract
From where does the Clarke's dorsal nucleus receive its input related to proprioception?
Spinocerebellar tract
Which cells receive input from Climbing fibers?
Purkinje cells
What is the main projection of the interposed nuclei?
To the nucleus ruber
Which area does the dorsal dentate nucleus mainly project to?
Ventrolateral thalamus
What is the role of Climbing Fibre in the cerebellum's motor adaptation process?
Reducing the strength of the motor command
What is a common symptom of Cerebellar defects?
'Cerebellar gait' - unsteady and halting movements
What function does the ventral dentate nucleus serve?
Projecting mainly to the ventroanterior thalamus
How do MI, basal ganglia, and cerebellum contribute to movement execution?
Aiding in movement planning and execution through interactions and feedback loops
This quiz covers the topic of motor coordination, specifically focusing on the role of the cerebellum and basal ganglia in controlling neural and muscular activity. Learn about the importance of coordinating these activities for efficient movement.
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