Question
If you had diminished input from the SNc to the CPu in the direct pathway, what would be the
effect on:
i. The GPi: Increased or Decreased inhibition?
if. The Thalamus: Increased or Decreased inhibiton?
ili. The Cortex: Increased or Decreased excitation?
iv. Cortical Output: Increased or Decreased output?
Cortex
Direct Pathway
Cortical Output
Cortex
Cortex
Cortex
Cortex
Cortex
Cortex
-
Indirect Pathway
Cotical Oviput
Cortox
Cortex
Cortex
Thalamus
Thalamus
CPu
GPe
GPi
D1R
SNe
O increased; decreased; decreased; decreased
O decreased; increased; decreased; decreased
O decreased; decreased; decreased; decreased
O decreased; decreased; decreased; decreased
O decreased; decreased; increased; decreased
CPu
D2R
GPe
STN
GPi
SNe
SNr
13/.
ed Kom
3900
Answer
Decreased; Increased; Decreased; Decreased