Microencephaly

• Failure of proper brain development/growth
• associated with numerous genetic conditions
  • i.e. Patau Syndrome (Trisomy 13-15), Edward's Syndrome (Trisomy 18), Fragile X Syndrome
• mental retardation
• cerebral palsy

See Microcephaly

Megalencephaly - abnormally large brain - inflammation (i.e. due to infection); hydrocephalus