RT Book, Section A1 Elble, Rodger J. A2 Watts, Ray L. A2 Standaert, David G. A2 Obeso, Jose A. SR Print(0) ID 55798610 T1 Chapter 27. Pathophysiology of Tremor T2 Movement Disorders, 3e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-161312-5 LK neurology.mhmedical.com/content.aspx?aid=55798610 RD 2024/04/19 AB Tremor is an approximately rhythmic, roughly sinusoidal involuntary movement. Despite more than a century of clinical and laboratory investigations, no tremor is understood completely. Common and uncommon forms of tremor are reviewed in this chapter, and two basic questions are addressed for each form: what is the source of oscillation and why does the oscillation occur.