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Abstract Details

Characterizing Functional Tics
Movement Disorders
P11 - Poster Session 11 (11:45 AM-12:45 PM)
5-014
To assess the characteristics of patients presenting with functional tics (FT) at two different pediatric neurology sites. A subaim was to assess for differences in presentations of FT between cisgender versus non-binary or transgender youth.

In the years between 2020 and 2022, coinciding with the COVID-19 pandemic, we have seen a large increase in the incidence of functional tics in adolescents (ages 12-18 years). Understanding how FT differs from tic disorders and whether FT presents differently among gender identity groups may help to better identify FT in individuals.
We conducted a systematic chart review at two different sites using the Epic Electronic Medical Record System of the Pediatric Neurology Departments at Strong Memorial Hospital in Rochester, NY (UR) and at Atrium Health Wake Forest Baptist in Winston-Salem, NC (WF).
There were 83 subjects, 37 of whom were patients at UR and 46 at WF. The average age of onset of FT was 13.6 years old with 5% male, 70% female, 12% transgender female-to-male, 13% nonbinary or gender fluid. At onset, 76% of patients had complex tics, 45% had abusive behavior, 73% had motor tics which localized below the neck, and 55% had contextual or specific triggers to tics. 37% endorsed exposure to tics by social media or peers. The two most common co-occurring conditions were anxiety (69%) and depression (51%). There was no significant difference in phenomenology of FT in cisgender versus non-binary or transgender youth.
Functional tics were more common in adolescent females and were associated with more complex presentation at onset than tic disorders. There was no significant difference in age of onset, symptomatology, and treatment of FT in cisgender versus non-binary or transgender youth.
Authors/Disclosures
Anh-Tho Antoinette T. Nguyen (University of Rochester School of Medicine and Dentistry)
PRESENTER 		Miss Nguyen has nothing to disclose.
Sean K. Wang Mr. Wang has nothing to disclose.
Jennifer A. Vermilion, MD (University of Rochester) The institution of Dr. Vermilion has received research support from Centers for Disease Control. The institution of Dr. Vermilion has received research support from Emalex Biosciences. The institution of Dr. Vermilion has received research support from Biomarin. The institution of Dr. Vermilion has received research support from Neurogene, Inc. Dr. Vermilion has received personal compensation in the range of $500-$4,999 for serving as a Invited Speaker with Tourette Association of America. Dr. Vermilion has received personal compensation in the range of $500-$4,999 for serving as a Invited Speaker with Centers for Disease Control and Prevention and American Academy of Pediatrics.
Jaclyn Martindale, DO, FAAN (Wake Forest Medical Center) Dr. Martindale has received personal compensation in the range of $5,000-$9,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Movement Disorder Society. The institution of Dr. Martindale has received research support from Tourette Association of America. The institution of Dr. Martindale has received research support from American Board of Neurology and Psychiatry.