Teaching Video NeuroImage: Spasmodic dysphonia
نویسندگان
چکیده
منابع مشابه
Brainstem pathology in spasmodic dysphonia.
Spasmodic dysphonia (SD) is a primary focal dystonia of unknown pathophysiology, characterized by involuntary spasms in the laryngeal muscles during speech production. We examined two rare cases of postmortem brainstem tissue from SD patients compared to four controls. In the SD patients, small clusters of inflammation were found in the reticular formation surrounding solitary tract, spinal tri...
متن کاملTeaching video neuroimage: Foix-Chavany-Marie syndrome.
Peter L. Konieczny, MD Benjamin H. Eidelman, MD, PhD William D. Freeman, MD A 79-year-old woman with a history of prior right frontal infarction presented with sudden inability to speak (figure, A). Examination revealed anarthria, yet intact comprehension, writing, and limb function (video). Voluntary tongue, swallowing, and mouth movements were absent, while cough and swallow reflexes were pre...
متن کاملTremor in speakers with spasmodic dysphonia
the objective of this work is the estimation of vocal tremor in patients with spasmodic dysphonia before and after treatment, and the comparison of their tremor characteristics with those estimated from healthy speakers. as an outcome, a new tremor attribute is introduced, the deviation of the modulation level and a novel method is proposed for classifying speakers according to the prevalence o...
متن کاملAbnormal structure-function relationship in spasmodic dysphonia.
Spasmodic dysphonia (SD) is a primary focal dystonia characterized by involuntary spasms in the laryngeal muscles during speech production. Although recent studies have found abnormal brain function and white matter organization in SD, the extent of gray matter alterations, their structure-function relationships, and correlations with symptoms remain unknown. We compared gray matter volume (GMV...
متن کاملSpasmodic Dysphonia: Evidence concerning a Neurological Cause
The term spasmodic dysphonia is a recent one, suggested by Aronson et al. (1968b), as a replacement for the term spastic dysphonia. The new term was advocated because "the term spastic is commonly used to imply disease of ... pyramidal pathways", while the neurological evidence in the Aronson research concerned the extrapyramidal system. Further, Aronson et al. observed that "the strained voice...
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ژورنال
عنوان ژورنال: Neurology
سال: 2008
ISSN: 0028-3878,1526-632X
DOI: 10.1212/01.wnl.0000311386.63529.cf