Intellectual Developmental Disorder, Autosomal Recessive 59, also known as mental retardation, autosomal recessive 59, is related to intellectual developmental disorder, autosomal dominant 59 and autosomal recessive intellectual developmental disorder. An important gene associated with Intellectual Developmental Disorder, Autosomal Recessive 59 is IMPA1 (Inositol Monophosphatase 1). Affiliated tissues include brain, and related phenotypes are intellectual disability and aggressive behavior