“…Finally, the themes reviewed in this special issue are put into practice through evaluation of a complex clinical case, “From the Blood-Brain Barrier to Childhood Development: A Case of Acute-Onset Psychosis and Cognitive Impairment Attributed to Systemic Lupus Erythematosus in an Adolescent Female,” described by Johnson and colleagues 11 . This case involves an adolescent female patient who presented with subacute onset of cognitive and psychotic symptoms on a background of neurodevelopmental delays that resolved over time.…”