Aim: To describe the symptoms, onset, heredity, pre‐/perinatal events and socio‐economic
status in Tourette syndrome (TS) and other tic disorders. Methods: From a total population of …

The aim of the study was to find the epidemiological distribution of tic disorders and Tourette
syndrome (TS) in Swedish school children aged 7 to 15 years. A total population of 4479 …

Objective: Few controlled studies have considered, in paediatric subjects, associations
between Tourette's syndrome (TS) and psychiatric/behavioural disorders. We conducted a …

Objective: Many previous studies have surveyed associations between Tourette syndrome
(TS) and co-morbid psychiatric disorders, but they usually did not include oppositional …

The aim of this study was to ascertain accurately the prevalence of Tourette syndrome (TS)
in a mainstream school population. All year 9 pupils (aged 13 to 14 years) in a mainstream …

Background Tourette syndrome is a combined motor and vocal tic disorder that begins in
childhood and takes a chronic course. It arises in about 1% of all children, with highly …

Objective. Prevalence studies indicate a 10-fold higher rate of Tourette syndrome (TS)
among children compared with adults. The purpose of this investigation was to examine the …

Forty-eight subjects with Tourette syndrome (M 36, F 12; mean age 11.2 years) and 48 with
chronic tic disorder (M 33, F 15; mean age 12.1 years) were recruited in order to study the …

Objective: Tourette syndrome (TS) is a chronic childhood neurodevelopmental disorder
characterized by motor and vocal tics and frequent comorbidities. The clinical presentation …

We have established a multisite, international database of 3500 individuals diagnosed with
Tourette syndrome (TS). The male: female ratio is 4.3: 1 for the total sample, with wide …