Cerebellum Lecture - Neuropsych

Jessica Graham
Flashcards by Jessica Graham, updated more than 1 year ago
Jessica Graham
Created by Jessica Graham over 2 years ago
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Flashcards on Cerebellum Lecture - Neuropsych, created by Jessica Graham on 04/17/2018.
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What are the functions of the cerebellum? 1. Help to stabilize posture, balance, and gait 2. Timing and coordination of eye movements 3. Timing and coordination of limb movements 4. Motor learning based on error feedback 5. Cognitive functions (ie. attention, working memory)
What is the anterior lobe in the cerebellum responsible for? Balance, posture, gait
What is the posterior lobe of the cerebellum responsible for? Coordination of limbs and motor learning
What are the three cerebellar output nuclei? Fastigial, interposed (globose & emboliform), and dentate
What are the three major arteries that supply blood to the cerebellum? 1. Superior cerebellar artery (SCA) 2. Posterior-inferior cerebellar artery (PICA) 3. Anterior-inferior cerebellar artery (AICA)
What are the three cerebellar peduncles? 1. Superior (SCP) 2. Middle (MCP) 3. Inferior (ICP)
Where does the cerebellum receive inputs from? The pons, with the MCP acting as a funnel; and the brainstem & spinal cord
Where does the cerebellum output to? The red nucleus (rubrospinal tract); VA + VL; medial dorsal nuclei of thalamus (SCP)
What cell(s) input to the cerebellum, and what cell(s) output to the deep cerebellar nuclei? Input: Mossy fibers & climbing fibers Output: Purkinje cells
Where does the fastigial and interposted cerebellar nuclei output to? Fastigial: Reticular formation & vestibular nuclei Interposed: Motor cortex (via VA+VL thalamus) and brainstem (via inferior olive)
What are the four common symptoms of cerebellar damage? Dysdiadochokinesia; intention tremor; abnormal gait, postural instability; movement dysmetria
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