Social Media Is A Cocktail Party: Why You Already Know The Rules Of Social Media Marketing Paperback â November 5, 2008. Attorneys vetted by us, ready for you. Get affordable legal advice when you need it.
Essential tremor (ET, also referred to as benign tremor, familial tremor, or idiopathic tremor) is the most common movement disorder; its cause is unknown.
Abstract. 1  Tremor, defined as rhythmical, involuntary oscillatory movement of a body part, is a symptom of numerous disorders of the central and peripheral nervous system. This chapter will deal with primary tremor disorders with a recognizable genetic component not discussed elsewhere in this book. These are essential tremor (ET), orthostatic tremor (OT), and cortical myoclonic âtremor.â ET has a high genetic component and has been the subject of intense genetic investigation.