Investigators from multiple institutions (Cleveland Clinic, University Hospital Leuven, ZOL Genk, Kempenhaeghe and Maastricht UMC+, and Children's Hospitals and Clinics of Minnesota) used the Tuberous Sclerosis Complex Natural History Database (TSCNHD) to evaluate the relationship between epilepsy and neuropsychiatric disorders in individuals with TSC, along with any potential influence of genotype.