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12 Cards in this Set
- Front
- Back
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What are the inputs into the basl ganglia
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Mainly from all areas of the cerebral cortex. There is also a thalamic input to the striatum from the intralaminar nuclei
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What are the 2 bundles of pallidothalamic finbers
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Lenticular fasciculus and the ansa lenticularis. Both bundles join and travel in the thalamic fasciculus to the VA
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Negative signs associated with basal ganglia damage
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Akinesia
Bradykinesia dystonia |
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Positive signs associated with basal ganglia damage
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Dyskinesia
Lead pipe rigidity cogwheel rigidity |
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Damage where lead to balismus
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Subthalmic nucleus
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Motor characteristics of parkinsons disease
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-tremor
-rigidity -akinesia -bradykinesia -abnormal posture -pill rolling tremor -shuffles when walks -mask like facial expression |
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Damage to what causes huntingtons disease
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Striatum
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Motor characteristics of huntingtons disease
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-Athetosis
-Chorea -twitching of head -lip smacking -jerking movements of the limbs |
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What type of motor deficite is seen when there is damage to the subthalamic nucleus
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Contralateral hemiballismus
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What is tardive dyskinesia and what causes it
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Basal ganglia disorder that involves involuntary chewing and smacking of the lips. Seen in peeps exposed to manganese and treated with chlorpromazine
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3 types of interconnections in the basal ganglia
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1) Reciprocal connections between striatum and sugstantia nigra
2) Reciprocal connections between the subthalamus and the pallidum 3) Connection between the striatum and pallidum |
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Subthalamic fasciculus
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Reciprocal connections which connec the subthalamus to the pallidum.
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