Basal Ganglia Phsyio Flashcards
Fill in the blanks. “ The motor function of the Basal Ganglia is mediated by __________.”
Frontal Cortex
What are the Neurotransmitters of the Basal Ganglia?
Serotonin, Acetylcholine, GABA, Enkephalin, Substance P, Glutamate, and Dopamine
What happened when there is damage to the Basal Ganglia?
The person loses ability to control the Timing and Scale of motor activity
What are the major Input nuclei of the Basal Ganglia?
Caudate & Putamen
What are the major Intermediate relay nuclei of the Basal ganglia?
Globus Pallidus Externus
Substantia Nigra Pars Compacta
Subthalamic Nuclei
What are the Major output nuclei of the Basal Ganglia?
Globus Pallidus Internus
Substantia Nigra Pars Reticulata
Where does the Striatum receive input from?
Cerebral cortex Intralaminar nuclei of the thalamus
Fill in the blanks. “ Striatum also receive subcortical modulatory inputs mainly from the _________.”
Substantia nigra Pars compacta
Where does the Globus Internus and Substantia nigra Pars reticulata project to?
Ventral Anterior and Ventral Lateral nuclei of Thalamus
What is the Neurotransmitter for corticostriate fibres?
Glutamate
What is the Neurotransmitters in Nigrostriate fibres?
Dopamine
What is the Neurotransmitter for Striatopallidal fibres?
GABA
What are the Afferent fibres of the Corpus Straitum?
Corticostriate Fibres
Thalamostriate fibres
Nigrostriatefibres
Brainstem striatal fibres
What are the Efferent fibres of the Corpus striatum?
Striatopallidal
Striatonigral