title: First scribbles: the emergence of an ego function.
mesh_terms: D001154:Art; D001321:Autistic Disorder / Q000523:psychology; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004532:Ego; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D013561:Symbolism