Abstract

The relation of transient tic disorder (TTD - motor or vocal tics lasting less than 1 year) to Tourette's syndrome (TS multiple motor and vocal tics lasting longer than 1 year) has been evaluated in two Canadian Mennonite families at the Dept of Neurology, Univ of Rochester Sch of Med, NY.

Highlights

  • The relation of transient tic disorder (TTD - motor or vocal tics lasting less than 1 year) to Tourette's syndrome (TSmultiple motor and vocal tics lasting longer than 1 year) has been evaluated in two Canadian Mennonite families at the Dept of Neurology, Univ of Rochester Sch of Med, NY

  • Transient tic disorder may be an expression of the TS gene that may be transmitted to offspring as an autosomal dominant

  • Recurrent attacks of flexion of the right hand and arm and bowing of the head initiated by sudden movement were associated with idiopathic hypoparathyroidism in a 12 yr old boy seen at the Children's Hospital of Philadelphia, PA

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Summary

Introduction

The relation of transient tic disorder (TTD - motor or vocal tics lasting less than 1 year) to Tourette's syndrome (TSmultiple motor and vocal tics lasting longer than 1 year) has been evaluated in two Canadian Mennonite families at the Dept of Neurology, Univ of Rochester Sch of Med, NY. One girl aged 9 yrs experienced frequent repetitive throat clearing and eye blinking episodes that resolved after several months (TTD). Her father and brother had TS and 2 siblings had chronic tic disorder (CTC-motor or vocal tics, but not both, with duration more than 1 year).

Results
Conclusion

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