Adams-Oliver Syndrome 1, also known as congenital scalp defects with distal limb reduction anomalies, is related to adams-oliver syndrome and adams-oliver syndrome 2, and has symptoms including seizures An important gene associated with Adams-Oliver Syndrome 1 is ARHGAP31 (Rho GTPase Activating Protein 31), and among its related pathways/superpathways are RAC1 GTPase cycle and Genetic causes of porto-sinusoidal vascular disease. Affiliated tissues include heart and skin, and related phenotypes are supernumerary nipple and intellectual disability