**Core Concept**
Tourette syndrome is a neurodevelopmental disorder characterized by the presence of chronic, multiple motor and vocal tics, typically beginning in childhood or early adolescence.

**Why the Correct Answer is Right**
Tourette syndrome is distinguished from other tic disorders by the presence of multiple motor and vocal tics that have been present for more than a year. The exact pathophysiology of Tourette syndrome is not fully understood, but it is thought to involve abnormalities in the basal ganglia and cortico-striatal-thalamo-cortical (CSTC) circuits. This results in impaired control over motor and vocal tics, which can be voluntary or involuntary.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not accurately describe the characteristics of Tourette syndrome. Instead, it may describe a different condition such as transient tic disorder.
**Option B:** This option is incorrect because it does not specify the presence of multiple motor and vocal tics, which is a hallmark of Tourette syndrome.
**Option C:** This option is incorrect because it describes a different condition such as obsessive-compulsive disorder (OCD), which can sometimes co-occur with Tourette syndrome but is not the same disorder.

**Clinical Pearl / High-Yield Fact**
It's worth noting that the exact cause of Tourette syndrome is still not fully understood, but it is thought to involve a combination of genetic and environmental factors. Family history is a significant risk factor, with 10-20% of individuals with Tourette syndrome having a first-degree relative with the condition.

**Correct Answer: B. Chronic, multiple motor and vocal tics.**