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Yale global tic severity scale pdf

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The document is the Yale Global Tic Severity Scale (YGTSS), a tool developed by the Yale Child Study Center in October 1992 for assessing tic disorders. It provides detailed descriptions of motor and phonic tic symptoms, including their characteristics, onset, and severity. The document includes checklists for evaluating both motor and vocal tics, along with severity ratings based on frequency, intensity, complexity, interference, and impairment. It aims to help clinicians gather comprehensive information about a patient's tic experiences.

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What is the global scale for Tourettes syndrome?

The Yale Global Tic Severity Scale (YGTSS) is a new clinical rating instrument that was designed for use in studies of Tourettes syndrome and other tic disorders. The YGTSS provides an evaluation of the number, frequency, intensity, complexity, and interference of motor and phonic symptoms.

How to score the Yale Global Tic Severity Scale?

The Total Motor Tic Score is derived by adding the five items pertaining to motor tics (range: 025); the Total Phonic Tic Score is derived by adding the five items pertaining to phonic tics (range: 025); the Total Tic Score is derived by adding the Total Motor Tic Score and the Total Phonic Tic Score; and the Overall

What is the scale for tic disorder?

The Yale Global Tic Severity Scale (YGTSS) is a clinician-rated instrument considered as the gold standard for assessing tics in patients with Tourettes Syndrome and other tic disorders. Previous psychometric investigations of the YGTSS exhibit different limitations such as small sample sizes and insufficient methods.

What age is the Yale Global Tic Severity Scale for?

The Yale Global Tic Severity Scale (YGTSS) is a psychological measure designed to assess the severity and frequency of symptoms of disorders such as tic disorder, Tourette syndrome, and obsessive-compulsive disorder, in children and adolescents between ages 6 and 17.

How is tic severity measured?

Motor and phonic tics are rated separately across five dimensions. Ratings are summed to produce a Total Tic score (range: 050), which serves as the gold standard measure of tic severity. The Impairment score is separate from tic severity and reflects overall tic impairment (range: 050).