Behavior Archives - FOXP1 Foundation

February 2025

Adolescents and adults with FOXP1 syndrome show high rates of anxiety and externalizing behaviors but not psychiatric decompensation or skill loss

Tess Levy, Hailey Silver, Renee Soufer, Audrey Rouhandeh, Alexander Kolevzon, Joseph Buxbaum, Paige M. Siper

Reassuring findings: continued skill gains over time, no developmental regression, no neuropsychiatric decompensation.

Adolescents Adults Anxiety Behavior Prognosis

September 2021

Individuals with FOXP1 syndrome present with a complex neurobehavioral profile with high rates of ADHD, anxiety, repetitive behaviors, and sensory symptoms

M. Pilar Trelles, Tess Levy, Bonnie Lerman, Paige Siper, Reymundo Lozano, Danielle Halpern, Hannah Walker, Jessica Zweifach, Yitzchak Frank, Jennifer Foss-Feig, Alexander Kolevzon & Joseph Buxbaum

High rates of ADHD, anxiety, repetitive behaviors, and sensory symptoms in FOXP1 syndrome.

ADHD Anxiety ASD Behavior Clinical Research Treatment

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March 2018

FOXP1-related intellectual disability syndrome: a recognizable entity

Ilse Meerschaut, Daniel Rochefort, Nicole Revencu, Justine Petre, Christina Corsello, Guy A Rouleau (2017)

Clinical and genetic data from 48 individuals with FOXP1 variants documenting intellectual disability, language impairment and neuromotor delay.

Behavior Clinical Research Diagnosis Intellectual Disability Speech

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