Neuropsychological Assessment of Children and Adolescents With Turner Syndrome

This study is conducting neuropsychological assessments in girls aged 7 to 16 with Turner syndrome — a chromosomal condition affecting girls — and comparing their cognitive profiles to girls with isolated growth hormone deficiency (GHD). The goal is to better understand the specific thinking, learning, and memory patterns in Turner syndrome to improve care and educational support. You may be eligible if: - You are a girl between 7 years and 16 years and 11 months old - You have a confirmed diagnosis of Turner syndrome (Turner group) or isolated growth hormone deficiency (GHD group) - Your parents or legal guardians have signed consent and you have given your assent - You are enrolled in the French social security system You may NOT be eligible if: - You have another chronic illness in addition to Turner syndrome or GHD - Your Turner syndrome karyotype includes part of the Y chromosome or ring X - You have an IQ below 70 (intellectual disability) or above a gifted threshold - You have a history of acquired brain injury - You have significant sensory impairments (hearing or vision) that would interfere with testing - You do not have sufficient French language proficiency Talk to your pediatric endocrinologist about having the correct diagnosis documentation and arranging parental consent for the neuropsychological testing sessions.