Summary of Tourette syndrome
Flashcards on Tourette syndrome
Tourette syndrome usually starts (before/after) the age of 18.
Questions on Tourette syndrome
A 6-year-old boy is brought to the office by his mother for a follow-up medical examination. The patient currently takes methylphenidate for attention deficit hyperactivity disorder. Family history is relevant for a paternal uncle and grandfather who have an unknown movement disorder. The mother mentions that despite the use of medication, the boy is constantly fidgeting and imitating her. Physical examination shows an elevated frequency of eye blinking, repetitive frowning of his forehead, and large amplitude head shaking to one side (all of which subside when the boy speaks or clears his throat). Laboratory studies and EEG show no abnormalities. Which of the following is the most likely cause of this patient's current condition?