Speech induced cervical dystonia: An unusual task specific dystonia

Prasad, Shweta; Lenka, Abhishek; Pal, Pramod Kumar

doi:10.1016/j.parkreldis.2017.11.006

Cited by 4 publications

(4 citation statements)

References 7 publications

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“…To the best of our knowledge, only two cases of speech-induced cervical TSD have been reported so far in the literature. 1,2 Both cases only had cervical dystonia, unlike our case who also had cranial involvement. The etiology was probably idiopathic in both cases, as the workup for secondary causes was negative, and there was no history of prior drug intake.…”

contrasting

confidence: 50%

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Speech-Induced Task-Specific Cranio-Cervical Tardive Dystonia: An Unusual Phenomenology

Holla¹

2021

JMD

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contrasting

confidence: 50%

“…Speech-induced dystonia often involves laryngeal and cranial muscles, with a speech-induced cervical TSD very rarely reported. 1,2 This report describes an unusual case of a speech-induced segmental TSD affecting the cranio-cervical area and probably having a drug-induced etiology.…”

mentioning

confidence: 91%

Speech-Induced Task-Specific Cranio-Cervical Tardive Dystonia: An Unusual Phenomenology

Holla¹

2021

JMD

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“…In contrast to hand dystonias such as writer's cramp, cervical dystonia (CD) is not considered a task-specific dystonia. However, isolated reports of task-triggered cervical dystonias do exist (Schramm A et al 2008;Hogg E and M Tagliati 2016;Prasad S et al 2018) suggesting there may be more to "use" in this form of dystonia than previously believed. Understanding the role of "use" or "overuse" of cervical muscles in CD would have substantial implications for improving prevention and treatment, including increasing our understanding of mechanisms behind sensory tricks and botulinum toxin treatment.…”

Section: Introductionmentioning

confidence: 98%

Sustained activation in basal ganglia and cerebellum after repetitive movement in a non-task-specific dystonia

Kuster

Levenstein

Waugh

et al. 2023

Preprint

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We previously observed sustained fMRI BOLD signal in the basal ganglia in focal hand dystonia patients after a repetitive finger tapping task. Since this was observed in a task-specific dystonia, for which excessive task repetition may play a role in pathogenesis, in the current study we asked if this effect would be observed in a focal dystonia (cervical dystonia [CD]) that is not considered task-specific or thought to result from overuse. We evaluated fMRI BOLD signal time courses before, during, and after the finger tapping task in CD patients. We observed patient/control differences in post-tapping BOLD signal in left putamen and left cerebellum during the non-dominant (left) hand tapping condition, reflecting abnormally sustained BOLD signal in CD. BOLD signals in left putamen and cerebellum were also abnormally elevated in CD during tapping itself and escalated as tapping was repeated. There were no cerebellar differences in the previously studied FHD cohort, either during or after tapping. We conclude that some elements of pathogenesis and/or pathophysiology associated with motor task execution/repetition may not be limited to task-specific dystonias, but there may be regional differences in these effects across dystonias, associated with different types of motor control programs.

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“…Task-specific dystonia (TSD) is a form of isolated focal dystonia that emerges in the context of the performance of a particular, selected motor activity [ 1 2 ]. TSD has been reported in association with a wide range of tasks ranging from apparently simple tasks such as writing (writers’ cramp) [ 3 ], speaking [ 4 ], and running [ 5 ] to tasks requiring highly skilled movements. The latter include dystonia associated with playing musical instruments [ 6 7 ], typing [ 8 ], singing [ 6 ], dancing [ 9 ], and other performance-related activities such as sports [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Sports-Related Dystonia

Lenka

Jankovic

2021

Tremor and Other Hyperkinetic Movements

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Background: Task-specific dystonia (TSD) is a form of focal dystonia that occurs in the context of the performance of selective, highly skilled, often repetitive, motor activity. TSD may be apparent during certain tasks such as writing, playing musical instruments, or other activities requiring fine motor control, but may also occur during certain sports, and maybe detrimental to professional athletes' careers. Therefore, sports physicians and movement disorder neurologists need to be aware of the presentation and phenomenology of sports-related dystonia (SRD), the topic of this review.Methods: A broad PubMed search using a wide range of keywords and combinations was done in October 2021 to identify suitable articles for this review.Results: Most of the publications are on yips in golfers and on runners' dystonia. Other sports in which SRD has been reported are ice skating, tennis, table tennis, pistol shooting, petanque, baseball, and billiards.Discussion: Yips, which may affect up to half of the golfers and rarely athletes in other sports (e.g., baseball, cricket, basketball, speed skating, gymnastics) seems to be a multifactorial form of TSD that is particularly troublesome in highly skilled professional golfers. Runners' dystonia, affecting the foot, leg, and hip (in decreasing order), may evolve into more generalized and less specific dystonia. The pathophysiologic mechanisms of SRD are not well understood. Botulinum toxin has been reported to alleviate dystonia in golfers', runners', and other forms of SRD. Future studies should utilize neurophysiologic, imaging, and other techniques to elucidate mechanisms of this underrecognized group of movement disorders.

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Speech induced cervical dystonia: An unusual task specific dystonia

Cited by 4 publications

References 7 publications

Speech-Induced Task-Specific Cranio-Cervical Tardive Dystonia: An Unusual Phenomenology

Speech-Induced Task-Specific Cranio-Cervical Tardive Dystonia: An Unusual Phenomenology

Sustained activation in basal ganglia and cerebellum after repetitive movement in a non-task-specific dystonia

Sports-Related Dystonia

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