PTRS 852: Basal Ganglia & Cerebellar Loops

Question 1

Loop: Striato-Pallido-Thalamic Loop

Answer 1

Function: Motor modulation loop

Question 2

Explain Input Modulation

Answer 2

Substantial Nigra modulates input going from striatum to GP

Question 3

Explain Output Modulation

Answer 3

STN modulates output from GP going to thalamus

Question 4

Loop: Dorsolateral Prefrontal Circuit

Answer 4

Function: Executive function/Problem solving

Question 5

Loop: Lateral Orbitofrontal Circuit

Answer 5

Function: Mediate empathy/Social appropriateness

Question 6

Loop: Anterior Cingulate Circuit

Answer 6

Function: Motivated behavior/Procedural learning

Question 7

Loop: Vermis

Answer 7

Function: Posture, head/eye mov’t, Extension/Proximal mm control

Question 8

Loop: Paravermis

Answer 8

Function: Limb mov’t

Question 9

Loop: Lateral hemisphere

Answer 9

Function: Motor planning/Learning