Conditions / Nervous system

Norman-Roberts syndrome

info ยท Nervous system

A lissencephaly that has_material_basis_in homozygous mutation in the gene encoding reelin (RELN) on chromosome 7q22.

Signs and symptoms

  • Hypotonia
  • Global developmental delay
  • Lissencephaly
  • Microcephaly
  • Sloping forehead
  • Cerebellar hypoplasia
  • Generalized-onset seizure
  • 4-layered lissencephaly
  • Hypoplasia of the pons
  • Thick cerebral cortex

Also known as: lissencephaly 2; lissencephaly syndrome, Norman-Roberts type