13321879
Description
Flashcards by Jessica Graham, updated more than 1 year ago
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Created by Jessica Graham
about 6 years ago
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| Question | Answer |
| 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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