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Related Experiment Videos

Tourette syndrome: recent advances.

G S Golden1

  • 1Boling Center for Developmental Disabilities, University of Tennessee, Memphis.

Neurologic Clinics
|August 1, 1990
PubMed
Summary
This summary is machine-generated.

Tourette syndrome (TS) and chronic motor tics share a genetic basis, often linked to obsessive-compulsive disorder. While some cases are nongenetic, TS frequently co-occurs with ADHD, complicating treatment approaches.

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Area of Science:

  • Neurology
  • Genetics
  • Psychiatry

Background:

  • Tourette syndrome (TS) and chronic motor tics are increasingly recognized as related conditions.
  • Genetic studies indicate an autosomal dominant inheritance pattern for TS with high penetrance.
  • Established genetic links exist between TS and obsessive-compulsive disorder (OCD).

Purpose of the Study:

  • Broaden understanding of Tourette syndrome's clinical and genetic scope.
  • Investigate the genetic relationship between Tourette syndrome, chronic motor tics, and obsessive-compulsive disorder.
  • Explore the complexities of Tourette syndrome, including its association with attention deficit hyperactivity disorder and neuropsychological deficits.

Main Methods:

  • Clinical and genetic studies were analyzed.

Related Experiment Videos

  • Literature review on the pathophysiology and treatment of Tourette syndrome.
  • Examination of co-occurring conditions such as OCD and ADHD.

    • Main Results:

    • Strong evidence supports a shared genetic etiology for chronic motor tics and Tourette syndrome.
    • Obsessive-compulsive disorder shows a genetic association with Tourette syndrome.
    • Attention deficit hyperactivity disorder (ADHD) frequently co-occurs with Tourette syndrome, impacting therapeutic strategies.
    • Nongenetic phenocopies account for up to 10% of Tourette syndrome cases.
    • Neuropsychological deficits and learning disabilities are common in Tourette syndrome patients.

    Conclusions:

    • Tourette syndrome is a complex neurodevelopmental disorder with significant genetic underpinnings.
    • The pathophysiology likely involves dopaminergic and serotonergic systems, with ongoing research into neuropeptides.
    • Treatment requires a multifaceted approach, carefully considering co-occurring conditions like ADHD and OCD.
    • Pharmacological interventions include neuroleptics, clonidine, and judicious use of psychostimulants, alongside behavioral strategies.