Speaking of Psychology
Speaking of Psychology

Understanding Tourette disorder and other tic disorders, with John Piacentini, PhD

Tourette disorder and other tic disorders affect millions of people yet remain widely misunderstood. John Piacentini, PhD, director of the UCLA Child OCD, Anxiety, and Tic Disorders Clinic, explains the brain basis of Tourette disorder; talks about why tics are very common in young children; debunks

Topics Discussed

Episode Summary

Executive Summary: The episode explains Tourette disorder and other tic disorders as common, brain-based conditions that are often misunderstood. Dr. John Piacentini describes tic types, causes, developmental course, comorbidities, and the rise of effective behavioral treatment—especially CBIT—as a frontline option alongside medications. The conversation also addresses stigma, social contagion, and the need for awareness and support.

Main Topics: What Tourette and tic disorders are: Tics are divided into motor and vocal/phonic categories; Tourette disorder requires both. Coprolalia is only one rare vocal tic and is not representative of the disorder. How tics arise in the brain: Piacentini explains tics as overactive, poorly inhibited 'chunks of behavior' linked to basal ganglia circuitry and neurotransmitter dysfunction, making them brain-based rather than psychological trauma symptoms. Prevalence, onset, and natural course: Tics often appear in early childhood, are relatively common in young children, and frequently remit or lessen over time. Provisional tic disorder is used when symptoms have lasted less than a year. Comorbidity with OCD, ADHD, anxiety, and autism: Tourette commonly overlaps with OCD and ADHD, and also with anxiety and autism-related conditions, likely due to shared inhibitory-control and reinforcement mechanisms. Behavioral treatment and CBIT: The episode details the development of habit reversal training and CBIT, which combines tic awareness, competing responses, and family/environmental changes to reduce reinforcement of tics. Medication history and current role: Medications helped reframe Tourette as biological, but side effects mean behavioral therapy is preferred first when possible; meds remain useful, especially in combination with CBIT. Stigma, social media, and functional tic-like behaviors: The discussion covers how seeing tics can be contagious, especially via social media, and distinguishes biologically based Tourette from functional tic-like behaviors that emerged during COVID-era patterns.

Key Arguments: Tourette disorder is a neurological condition characterized by both motor and vocal tics, not simply swearing. Coprolalia is uncommon and occurs in only a minority of people with Tourette disorder, so media stereotypes are misleading. Tics reflect an overactive brain coupled with reduced inhibition, not intentional misbehavior or hidden trauma. Tics often begin around early school age and may improve naturally, so watchful waiting is appropriate for mild or very young cases. OCD, ADHD, anxiety, and autism often co-occur with Tourette because of overlapping brain mechanisms and shared disinhibition problems. Behavioral interventions work because they teach awareness of urges, use competing responses, and reduce environmental reinforcement of tics. CBIT is a major advance because it offers a safe, evidence-based, non-medication treatment that can be used before or alongside medication. Social and emotional responses to tics can worsen symptoms; supportive, neutral environments reduce distress and tic frequency. Social media and observation can spread tic-like behaviors, but not all such cases reflect classic Tourette disorder.

Data Points: Prevalence among school-aged children: up to 1 in 50 - CDC estimate cited in the introduction for Tourette and other tic disorders in U.S. school-aged children Coprolalia prevalence: about 10% to 15% - Dr. Piacentini estimates how often vulgar/profane vocal tics occur in Tourette disorder Typical onset age: around 4 to 7 years - He describes the usual age range when tics first appear Early childhood tic occurrence: up to 20% - Surveys in kindergarten and first-grade classrooms show tics can be quite common in young children Persistent tic rate: about 2% to 3% - Only a small share of young children continue having tics beyond a few weeks or months Diagnostic time threshold: less than 1 year - Used to classify provisional tic disorder when tics have not lasted long enough for a persistent diagnosis Publication record: more than 300 scientific papers and chapters - Biographical detail about Dr. Piacentini Books authored: 9 - Biographical detail about Dr. Piacentini Study period referenced: during the COVID-19 pandemic - He discusses research linking rises in tic-like symptoms with social media use during this period

Pivotal Quotes: "Tourette disorder and other tic disorders are characterized by obviously the presence of tics." — Dr. John Piacentini: Defines the basic diagnostic feature of tic disorders "The brain is overactive in terms of creating these little bits of behavior... and the filter that keeps our brains from engaging in all these behaviors is a little leaky in people with Tourette's." — Dr. John Piacentini: Explains the neurological model of why tics happen "If children are ticking and somebody yells at them to stop ticking, that's going to make them more anxious and probably tick more." — Dr. John Piacentini: Describes why family and environmental responses can worsen symptoms

Implications: Listeners should understand Tourette as a real neurological disorder, not a stereotype. Early support, low-stigma responses, and access to CBIT can substantially improve quality of life, while awareness can reduce misdiagnosis and punishment of affected children.

🔓 Sign Up for Unlimited Episode Search

About Speaking of Psychology

View all episodes from Speaking of Psychology