developmental impairment | feeble-mindedness | intellectual disability | intellectual impairment | learning disability | mental deficiency | mental retardation | mental subnormality | oligophrenia | LD [Abbr.]
geistige Behinderung | Intelligenzminderung | Lernbehinderung | mentale Retardierung | Minderbegabung | Oligophrenie | Schwachsinn