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Chronic tic disorder was either single or multiple motor or phonic tics, but not both, which were present for more than a year. Tourette syndrome was diagnosed when both motor and phonic tics were present for more than a year. Tic disorder NOS was diagnosed when tics were present, but did not meet the criteria for any specific tic disorder.
Tourette syndrome or Tourette's syndrome (abbreviated as TS or Tourette's) is a common neurodevelopmental disorder that begins in childhood or adolescence. It is characterized by multiple movement (motor) tics and at least one vocal (phonic) tic.
Motor tics are movement-based tics affecting discrete muscle groups. [4]Phonic tics are involuntary sounds produced by moving air through the nose, mouth, or throat. They may be alternately referred to as verbal tics or vocal tics, but most diagnosticians prefer the term phonic tics to reflect the notion that the vocal cords are not involved in all tics that produce sound.
Causes and origins of Tourette syndrome have not been fully elucidated.Tourette syndrome (abbreviated as Tourette's or TS) is an inherited neurodevelopmental disorder that begins in childhood or adolescence, characterized by the presence of multiple motor tics and at least one phonic tic, which characteristically wax and wane.
307.22 Chronic motor or vocal tic disorder; 307.21 Transient tic disorder: Must meet the following criteria in order to be diagnosed: A. Either one or multiple motor and/or vocal tics, for example, motor or vocal noises that are rapid, repeated, sudden, and nonrhythmic. B.
Typically, symptoms of coprolalia follow the development of phonic or motor tics by four to seven years. The severity of symptoms tends to peak during adolescence and subside during adulthood. [9] In Tourette syndrome, compulsive swearing can be uncontrollable and undesired by the person uttering the phrases.