Global developmental delay Retarded psychomotor development Motormental retardation Motor and developmental delay Psychomotor development failure Psychomotor developmental delay Mental and motor retardation Developmental retardation Retarded mental development Developmental delay Delayed cognitive development Developmental delay in early childhood Delayed intellectual development Retarded development Psychomotor delay Developmental delay, global Delayed psychomotor development Delayed developmental milestones A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age. Cognitive delay Delayed milestones Lack of psychomotor development Delayed development Psychomotor development deficiency Abnormal nervous system physiology