Inputs: SNr, GPi

Output: Frontal Cortex

Inputs: SNr, GPi(o); Deep Cerebellar N. (c)

Outputs: Motor & Premotor Cortex

Inputs: Medial Lemniscus, Spinothalamic tracts 

[3rd order Sensory - Body]

Output: Somatosensory Cortex

Inputs: Trigeminal Lemniscus, Trigeminothalamic tract, gustatory inputs

[3rd order sensory - Head]

Output: Somatosensory Cortex

Input: Optic Tract

Output: Visual Cortex

Input: Inferior Colliculus

Output: Auditory Cortex

Input: Superior Colliculus

Output: Parieto-Occipital Cortex