Organization of Movements
Hierarchical: 3 major types
Reflexes       Spinal cord circuits
Postural adjustments     Spinal & Brain stem
Voluntary movements   Spinal cord, Brain
           stem, & cortex
Postural adjustments & voluntary movements
depend more on cerebellar and basal ganglia
function than reflexes
Dual purpose: 1) upcoming lectures;
2) context for motor pathways