
Figure 1
Prototypical frontal cortico-striatal circuit.
Bidirectional arrows: pathways with both afferent and efferent connections. Dotted lines: notional connections. Solid lines: literal connections. Th: Thalamus. SN: Substantia nigra. GP: Globus pallidus. Striatum: caudate nucleus and putamen.

Figure 2
Prototypical cortico-cerebellar circuit.
Bidirectional arrows: pathways with both afferent and efferent connections. Dotted lines: notional connections. Solid lines: literal connections. Th: Thalamus. IO: Inferior olive.
