Basal ganglia and cerebellum Flashcards
Basal ganglia connects the what with the what?
Connects rest of cortex with motor cortex. It also has reciprocal connection with thalamus and substantia nigra
Basal ganglia: All areas of cortex project to ____to____to____to___ - a means for the all parts of cortex to exert modulating influence on motor cortex
caudate to globus pallidus, to thalamus, to supplemental motor cortex
The basal ganglia has no direct connections with…
spinal cord
The basal ganglia has a role in organizing and controlling
complex movements
Basal ganglia houses what NT?
dopamine
Basal ganglia: dopamine is important for what?
Reinforcement and action for B.G. May be through mediation of reinforcement and motor learning of context specific movements
Basal ganglia: Theories posit BG may be involved in…
gauging force necessary for movement
Damage to the BG results in…
Parkinson’s or to caudate in Huntington’s
Cerebellum is involved in…
Muscle tone for maintaining posture. Coordination and integration of simultaneous whole body, multiple limb and fine movements, precision of fine movement…smooth transitions of sequenced movements - fine adjustments to assure accuracy of movements with changing conditions - timing