Basal Ganglia Flashcards
What is the function of the basal ganglia?
Involved in control of voluntary movements and supress involuntary movements
Modulate functions of pyramidal and extrapyramidal pathways
Receive input from motor cortex and send output back into motor cortices via thalamus
Describe the direct pathway of the basal ganglia
draw out plz
Describe the indirect pathway of the basal ganglia
draw out plz
What structures compose the striatum
Caudate Nucleus and Putamen
What structures compose the lentiform nucleus?
Globus Pallidus Internus and Externus
What structures make up the basal ganglia?
Striatum, Globus Pallidus, Subthalamic nucleus and Substantia Nigra
What artery supplies the basal ganglia?
Middle Cerebral Artery
What neurotransmitters are in the basal ganglia?
GABA (Inhibitory)
Glutamate (Excitatory)
Dopamine (both)
What structure is damaged in Huntington’s Disease?
Striatum
What structure is damaged in Parkinson’s Disease?
Substantia Nigra
What structure is medial to the lateral ventricle?
Caudate Nucleus
What structure is lateral to the caudate and thalamus?
Internal Capsule
What structure is lateral to the internal capsule?
Lentiform nucleus
