Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Secondary tics and tourettism.

Nicte I Mejia1, Joseph Jankovic

  • 1Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, Texas 77030, USA.

Revista Brasileira De Psiquiatria (Sao Paulo, Brazil : 1999)
|May 4, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Psychogenic (Functional) Movement Disorders.

Continuum (Minneapolis, Minn.)·2019
Same author

Juvenile parkinsonism: Differential diagnosis, genetics, and treatment.

Parkinsonism & related disorders·2019
Same author

Young-onset Parkinson's disease: Its unique features and their impact on quality of life.

Parkinsonism & related disorders·2019
Same author

Genetic Counseling in Huntington's Disease: Potential New Challenges on Horizon?

Frontiers in neurology·2019
Same author

Clinical phenotype in carriers of intermediate alleles in the huntingtin gene.

Journal of the neurological sciences·2019
Same author

Autosomal dominant mitochondrial membrane protein-associated neurodegeneration (MPAN).

Molecular genetics & genomic medicine·2019

Tourette syndrome is a common cause of tics, but other neurological disorders, injuries, and developmental conditions can also lead to tic disorders. Recognizing these associations is crucial for understanding tic physiopathology.

Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Tics are commonly associated with Tourette syndrome.
  • However, a diverse range of underlying conditions can also manifest as tics.

Purpose of the Study:

  • To investigate the various causes and associated disorders linked to tics beyond Tourette syndrome.
  • To highlight the importance of recognizing these associations for understanding tic physiopathology.

Main Methods:

  • Analysis of data from 155 patients presenting with tics and co-existent disorders.
  • Categorization of tics based on associated conditions, including basal ganglia insults, developmental disorders, genetic conditions, other movement disorders, psychogenic causes, and non-movement neurological disorders.

Main Results:

Related Experiment Videos

  • Basal ganglia insults (head trauma, stroke, encephalitis) were associated with tics in 9.0% of patients.
  • Developmental disorders (Asperger's, mental retardation, autism) were noted in 13.5% of patients.
  • Genetic disorders (Down's syndrome, neuroacanthocytosis, Huntington's disease) were linked to tics in 10.3% of patients.
  • Co-occurrence with dystonia (20.0%) and essential tremor (10.9%) was observed.
  • Psychogenic tics were present in 10.3% of patients.
  • Non-movement neurological disorders like seizures were associated with tics in 7.7% of patients.

    • Conclusions:

    • Tics can arise from or be associated with a wide spectrum of conditions beyond Tourette syndrome.
    • Identifying these diverse etiologies is essential for a comprehensive understanding of tic disorders and their underlying mechanisms.