Flashcards in Cerebellum Deck (24)
What are the 3 terms to remember about the Cerebellum?
2. Mid-Course Corrections
Where is the cerebellum located?
Posterior cranial fossa
What are the contents of the posterior cranial fossa?
Brain stem, intracranial portions of CNs 3-12, cerebral aqueduct, 4th ventricle, cerebellum
What do you call the inability to carry out coordinated limb movements?
What do you call the inability to speak clearly?
What is the inability to carry out rapid alternating hand movements?
What is the inability to walk with coordination called?
What is the inability to move the eyes with precision called?
What is the involuntary and alternating saccadic and pursuit eye movements called?
Name some signs of a cerebellar disorder
Dysmetria of the extremities is a dysfunction of the medial or lateral Cerebellum? (finger/nose, heel/shin)
Three things that should not be affected by cerebellar Dysfunction:
If you see changes in these, this is likely NOT a cerebellar issue
What is in charge of suppressing unwanted Cerebral Cortex activity?
What do you call the inability to initiate motor activity?
Chorea, myoclonus, athetosis, and ballismas are the inability to suppress what?
Unwanted motor activity
5 Cerebral components of the Basal Ganglia
1. Caudate nucleus
2. Ptamen nucleus
3. Globus pallidus (lateral or externa)
4. Globus pallidus (medial or interna)
5. Subthalamic nucleus
When primary degeneration occurs in the putamen nucleus (Huntington's Disease) - what are the motor signs?
Loss of weight
Does an Upper Motor Neuron lesion affect contralateral or ipsilateral motor signs?
Does a lesion in the Basal ganglia affect contralateral or ipsilateral motor signs?
Does a lesion in the Lateral cerebellum affect contralateral or ipsilateral motor signs?
What are the cardinal signs of a lower motor neuron pathology?
weakness, marked muscle atrophy, hypotonia, hypeoreflexia, fasciculations
What are the cardinal signs of a upper motor neuron pathology?
weakness, disuse muscle atrophy, hypertonia, hyperrreflexia, spastic rigidity, exaggerated superficial reflexes (babinski)
Basal ganglion pathology
weakness, leadpipe rigidity, hyperkinesia, hypokinesia, resting tremor