Objective: Unexplained regression in Down syndrome (URDS) involves a loss of acquired skills resulting in functional deterioration. Despite extensive workup and treatment, few individuals regain baseline function. This study aimed to understand the role of psychosocial stressors in URDS.
Methods: We describe psychosocial stressors in 14 cases of URDS. Specifically, we examined psychosocial stressors in the context of presentation and clinical symptoms. We also examined co-occurring neurodevelopmental disorders and medical and mental health conditions.
Results: All individuals experienced psychosocial stressors within one year of diagnosis of URDS. The most common psychosocial stressors were moving to a new home or school.
Conclusion: Psychosocial stressors are commonly reported preceding URDS. Knowledge about psychosocial stressors' impact may lead to preventive interventions, improved monitoring, and earlier diagnosis. Future research should focus on understanding psychosocial stressors to help identify individuals at risk for URDS and contribute to treatment.
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