Intellectual Developmental Disorder, Autosomal Recessive 75, with Neuropsychiatric Features and Variant Lissencephaly, is also known as mrt75. An important gene associated with Intellectual Developmental Disorder, Autosomal Recessive 75, with Neuropsychiatric Features and Variant Lissencephaly is PIDD1 (P53-Induced Death Domain Protein 1). Affiliated tissues include brain and skin, and related phenotypes are intellectual disability and global developmental delay