Movement disorder
[1] Movement disorders present with extrapyramidal symptoms and are caused by basal ganglia disease.[2] Movement disorders are conventionally divided into two major categories- hyperkinetic and hypokinetic.[4] Step I : Decide the dominant type of movement disorder[7] Step II : Make differential diagnosis of the particular disorder[citation needed] Step II: Confirm the diagnosis by lab tests[citation needed] Vesalius and Piccolomini in 16th century distinguished subcortical nuclei from cortex and white matter.However Willis' conceptualized the corpus striatum as the seat of motor power in the late 17th century.In mid-19th-century movement disorders were localized to striatum by Choreaby Broadbent and Jackson, and athetosis by Hammond.