Tic disorders of neurodevelopmental origin are the most common hyperkinetic disorder in
childhood. In cases where both multiple motor tics and at least one vocal tic are present, with …

Functional tics have long been described as part of the much wider spectrum of functional
neurological disorders with motor manifestations. Reports of functional tics have been …

During the COVID-19 pandemic, there have been multiple reports about an unforeseen
surge in adolescents and young adults exhibiting sudden onset functional tic-like behaviors …

During 2020, an increase of functional tics in children and adolescents has been observed.
In this review, we present phenotypes, differential diagnosis and treatment for functional tics …

Background An unprecedented increase in newly developed functional tics, mainly in young
females, has been reported during the COVID-19 pandemic. We set out to complement …

Background and purpose The COVID‐19 pandemic has been associated amongst other
things with a sharp increase in adolescents and young adults presenting acutely with …

Background: There has been a rise in explosive onset of tic-like behaviors during the COVID-
19 pandemic. Historically, this is an uncommon phenomenology of functional movement …

Background and purpose–Over the past year, many cases with newly onset or significantly
exacerbated tic disorders were observed worldwide, where some aspects of the clinical …

Over the past 3 years, a global phenomenon has emerged characterized by the sudden
onset and frequently rapid escalation of tics and tic-like movements and phonations. These …

Background Global increase in functional tics in adolescents has been observed.
Differentiating functional from classic tics is important since pathophysiology and treatment …