title: Individual and maturational differences in infant expressivity.
authors.forename: T
authors.initials: T
authors.lastname: Field
mesh_terms: D002657:Child Development; D004644:Emotions / Q000502:physiology; D005149:Facial Expression; D006801:Humans; D007100:Imitative Behavior; D007206:Individuality; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature / Q000523:psychology; D010364:Pattern Recognition, Visual / Q000502:physiology; D014427:Twins / Q000523:psychology