Definition Movement disorders are first divided into hypokinetic and hyperkinetic categories. Hypokinetic disorders , which are characterized by akinesia, bradykinesia, and rigidity, are parkinsonian syndromes and are discussed in Chapter 378 . The common hyperkinetic movement disorders ( Table 379-1…
Parkinsonism is a clinical syndrome that consists of four cardinal signs: tremor, rigidity, akinesia, and postural disturbances. Parkinson disease is a common cause of the syndrome, but there are numerous other causes ( Table 378-1 ). TABLE 378-1 DIFFERENTIAL DIAGNOSIS…
Acknowledgments We would like to acknowledge the support of the National Parkinson Foundation via a Center of Excellence award, the McKnight Brain Institute (Gainesville, FL), the University of Florida, Shands Hospital (Gainesville, FL), and the Eric and Jennifer Scott Fund…
As early as the 1950s temporary deep brain stimulation (DBS) electrodes were implanted into the septal region. The procedure was performed for pain control and was reported to have beneficial effects ( ). There were various attempts at DBS, with…